./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product47.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_76cf6f31-3f59-4779-b18c-6a568947c35f/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76cf6f31-3f59-4779-b18c-6a568947c35f/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_76cf6f31-3f59-4779-b18c-6a568947c35f/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76cf6f31-3f59-4779-b18c-6a568947c35f/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product47.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76cf6f31-3f59-4779-b18c-6a568947c35f/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_76cf6f31-3f59-4779-b18c-6a568947c35f/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 01c6094ce00b6bee5e4a1d4107850fe1bcc8c33e ............................................................................................................................................ 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_76cf6f31-3f59-4779-b18c-6a568947c35f/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76cf6f31-3f59-4779-b18c-6a568947c35f/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_76cf6f31-3f59-4779-b18c-6a568947c35f/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76cf6f31-3f59-4779-b18c-6a568947c35f/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product47.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76cf6f31-3f59-4779-b18c-6a568947c35f/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_76cf6f31-3f59-4779-b18c-6a568947c35f/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 01c6094ce00b6bee5e4a1d4107850fe1bcc8c33e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:23:09,107 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:23:09,110 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:23:09,169 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:23:09,169 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:23:09,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:23:09,173 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:23:09,175 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:23:09,178 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:23:09,179 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:23:09,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:23:09,182 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:23:09,182 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:23:09,184 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:23:09,185 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:23:09,187 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:23:09,188 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:23:09,190 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:23:09,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:23:09,195 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:23:09,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:23:09,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:23:09,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:23:09,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:23:09,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:23:09,206 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:23:09,207 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:23:09,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:23:09,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:23:09,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:23:09,211 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:23:09,212 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:23:09,213 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:23:09,214 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:23:09,216 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:23:09,216 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:23:09,217 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:23:09,218 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:23:09,218 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:23:09,220 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:23:09,221 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:23:09,222 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76cf6f31-3f59-4779-b18c-6a568947c35f/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:23:09,247 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:23:09,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:23:09,249 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:23:09,249 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:23:09,250 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:23:09,250 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:23:09,250 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:23:09,251 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:23:09,251 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:23:09,251 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:23:09,251 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:23:09,251 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:23:09,252 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:23:09,252 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:23:09,252 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:23:09,253 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:23:09,253 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:23:09,253 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:23:09,254 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:23:09,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:23:09,254 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:23:09,254 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:23:09,255 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:23:09,255 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:23:09,255 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:23:09,255 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:23:09,255 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:23:09,256 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:23:09,256 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:23:09,256 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:23:09,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:23:09,257 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:23:09,257 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:23:09,257 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:23:09,257 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:23:09,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:23:09,258 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:23:09,258 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:23:09,258 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:23:09,258 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_76cf6f31-3f59-4779-b18c-6a568947c35f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76cf6f31-3f59-4779-b18c-6a568947c35f/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01c6094ce00b6bee5e4a1d4107850fe1bcc8c33e [2021-10-11 02:23:09,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:23:09,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:23:09,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:23:09,607 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:23:09,608 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:23:09,610 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76cf6f31-3f59-4779-b18c-6a568947c35f/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec3_product47.cil.c [2021-10-11 02:23:09,709 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76cf6f31-3f59-4779-b18c-6a568947c35f/bin/utaipan-WLngWcDbfI/data/d5e3a9501/b80d136843d04fa9a2c807ab460d38e0/FLAGf3c7a4e1e [2021-10-11 02:23:10,306 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:23:10,306 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76cf6f31-3f59-4779-b18c-6a568947c35f/sv-benchmarks/c/product-lines/minepump_spec3_product47.cil.c [2021-10-11 02:23:10,318 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76cf6f31-3f59-4779-b18c-6a568947c35f/bin/utaipan-WLngWcDbfI/data/d5e3a9501/b80d136843d04fa9a2c807ab460d38e0/FLAGf3c7a4e1e [2021-10-11 02:23:10,590 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76cf6f31-3f59-4779-b18c-6a568947c35f/bin/utaipan-WLngWcDbfI/data/d5e3a9501/b80d136843d04fa9a2c807ab460d38e0 [2021-10-11 02:23:10,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:23:10,594 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:23:10,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:10,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:23:10,602 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:23:10,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:10" (1/1) ... [2021-10-11 02:23:10,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ed50392 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:10, skipping insertion in model container [2021-10-11 02:23:10,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:10" (1/1) ... [2021-10-11 02:23:10,618 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:23:10,669 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:23:10,869 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_76cf6f31-3f59-4779-b18c-6a568947c35f/sv-benchmarks/c/product-lines/minepump_spec3_product47.cil.c[1281,1294] [2021-10-11 02:23:11,024 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:11,035 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 02:23:11,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4244a578 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:11, skipping insertion in model container [2021-10-11 02:23:11,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:11,036 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:23:11,038 INFO L168 Benchmark]: Toolchain (without parser) took 443.18 ms. Allocated memory is still 119.5 MB. Free memory was 82.7 MB in the beginning and 92.5 MB in the end (delta: -9.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:11,039 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 119.5 MB. Free memory is still 100.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:23:11,040 INFO L168 Benchmark]: CACSL2BoogieTranslator took 440.31 ms. Allocated memory is still 119.5 MB. Free memory was 82.5 MB in the beginning and 92.5 MB in the end (delta: -10.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:11,042 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 119.5 MB. Free memory is still 100.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 440.31 ms. Allocated memory is still 119.5 MB. Free memory was 82.5 MB in the beginning and 92.5 MB in the end (delta: -10.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 218]: 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 02:23:13,217 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:23:13,220 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:23:13,262 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:23:13,263 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:23:13,268 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:23:13,270 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:23:13,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:23:13,278 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:23:13,284 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:23:13,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:23:13,290 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:23:13,291 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:23:13,294 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:23:13,296 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:23:13,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:23:13,300 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:23:13,304 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:23:13,306 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:23:13,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:23:13,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:23:13,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:23:13,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:23:13,323 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:23:13,332 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:23:13,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:23:13,333 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:23:13,335 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:23:13,336 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:23:13,337 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:23:13,338 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:23:13,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:23:13,341 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:23:13,342 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:23:13,343 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:23:13,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:23:13,345 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:23:13,345 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:23:13,345 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:23:13,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:23:13,348 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:23:13,349 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76cf6f31-3f59-4779-b18c-6a568947c35f/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:23:13,395 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:23:13,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:23:13,396 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:23:13,413 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:23:13,413 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:23:13,413 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:23:13,413 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:23:13,414 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:23:13,414 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:23:13,416 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:23:13,417 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:23:13,417 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:23:13,417 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:23:13,417 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:23:13,418 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:23:13,418 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:23:13,418 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:23:13,418 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:23:13,419 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:23:13,419 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:23:13,419 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:23:13,419 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:23:13,419 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:23:13,420 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:23:13,420 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:23:13,420 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:23:13,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:23:13,421 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:23:13,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:23:13,421 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:23:13,421 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:23:13,422 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:23:13,422 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:23:13,422 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:23:13,423 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:23:13,423 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_76cf6f31-3f59-4779-b18c-6a568947c35f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76cf6f31-3f59-4779-b18c-6a568947c35f/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01c6094ce00b6bee5e4a1d4107850fe1bcc8c33e [2021-10-11 02:23:13,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:23:13,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:23:13,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:23:13,855 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:23:13,855 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:23:13,856 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76cf6f31-3f59-4779-b18c-6a568947c35f/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec3_product47.cil.c [2021-10-11 02:23:13,919 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76cf6f31-3f59-4779-b18c-6a568947c35f/bin/utaipan-WLngWcDbfI/data/674673a05/7ebd36634f6c4400887be83afbd9b637/FLAGee30ad3e2 [2021-10-11 02:23:14,535 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:23:14,535 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76cf6f31-3f59-4779-b18c-6a568947c35f/sv-benchmarks/c/product-lines/minepump_spec3_product47.cil.c [2021-10-11 02:23:14,554 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76cf6f31-3f59-4779-b18c-6a568947c35f/bin/utaipan-WLngWcDbfI/data/674673a05/7ebd36634f6c4400887be83afbd9b637/FLAGee30ad3e2 [2021-10-11 02:23:14,828 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76cf6f31-3f59-4779-b18c-6a568947c35f/bin/utaipan-WLngWcDbfI/data/674673a05/7ebd36634f6c4400887be83afbd9b637 [2021-10-11 02:23:14,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:23:14,832 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:23:14,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:14,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:23:14,850 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:23:14,851 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:14" (1/1) ... [2021-10-11 02:23:14,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@539350ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:14, skipping insertion in model container [2021-10-11 02:23:14,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:14" (1/1) ... [2021-10-11 02:23:14,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:23:14,904 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:23:15,065 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_76cf6f31-3f59-4779-b18c-6a568947c35f/sv-benchmarks/c/product-lines/minepump_spec3_product47.cil.c[1281,1294] [2021-10-11 02:23:15,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:15,360 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:23:15,382 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:23:15,399 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_76cf6f31-3f59-4779-b18c-6a568947c35f/sv-benchmarks/c/product-lines/minepump_spec3_product47.cil.c[1281,1294] [2021-10-11 02:23:15,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:15,475 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:23:15,497 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_76cf6f31-3f59-4779-b18c-6a568947c35f/sv-benchmarks/c/product-lines/minepump_spec3_product47.cil.c[1281,1294] [2021-10-11 02:23:15,578 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:15,631 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:23:15,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:15 WrapperNode [2021-10-11 02:23:15,632 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:15,634 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:23:15,634 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:23:15,634 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:23:15,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:15" (1/1) ... [2021-10-11 02:23:15,665 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:15" (1/1) ... [2021-10-11 02:23:15,716 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:23:15,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:23:15,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:23:15,718 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:23:15,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:15" (1/1) ... [2021-10-11 02:23:15,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:15" (1/1) ... [2021-10-11 02:23:15,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:15" (1/1) ... [2021-10-11 02:23:15,736 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:15" (1/1) ... [2021-10-11 02:23:15,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:15" (1/1) ... [2021-10-11 02:23:15,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:15" (1/1) ... [2021-10-11 02:23:15,770 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:15" (1/1) ... [2021-10-11 02:23:15,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:23:15,779 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:23:15,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:23:15,780 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:23:15,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:15" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76cf6f31-3f59-4779-b18c-6a568947c35f/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 02:23:15,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:23:15,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:23:15,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:23:15,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:23:19,132 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:23:19,133 INFO L299 CfgBuilder]: Removed 202 assume(true) statements. [2021-10-11 02:23:19,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:23:19 BoogieIcfgContainer [2021-10-11 02:23:19,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:23:19,137 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:23:19,137 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:23:19,140 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:23:19,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:23:14" (1/3) ... [2021-10-11 02:23:19,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f83819e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:23:19, skipping insertion in model container [2021-10-11 02:23:19,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:15" (2/3) ... [2021-10-11 02:23:19,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f83819e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:23:19, skipping insertion in model container [2021-10-11 02:23:19,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:23:19" (3/3) ... [2021-10-11 02:23:19,143 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product47.cil.c [2021-10-11 02:23:19,158 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:23:19,162 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:23:19,174 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:23:19,202 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:23:19,203 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:23:19,203 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:23:19,203 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:23:19,203 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:23:19,203 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:23:19,204 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:23:19,204 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:23:19,221 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2021-10-11 02:23:19,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:23:19,227 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:19,228 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 02:23:19,229 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:19,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:19,235 INFO L82 PathProgramCache]: Analyzing trace with hash 301971860, now seen corresponding path program 1 times [2021-10-11 02:23:19,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:19,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1549057583] [2021-10-11 02:23:19,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76cf6f31-3f59-4779-b18c-6a568947c35f/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 02:23:19,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:19,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:23:19,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:19,574 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 02:23:19,574 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:19,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1549057583] [2021-10-11 02:23:19,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:19,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:23:19,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408300330] [2021-10-11 02:23:19,582 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:23:19,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:19,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:23:19,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:23:19,599 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 2 states. [2021-10-11 02:23:19,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:19,638 INFO L93 Difference]: Finished difference Result 268 states and 401 transitions. [2021-10-11 02:23:19,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:23:19,639 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:23:19,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:19,652 INFO L225 Difference]: With dead ends: 268 [2021-10-11 02:23:19,653 INFO L226 Difference]: Without dead ends: 133 [2021-10-11 02:23:19,657 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 02:23:19,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-10-11 02:23:19,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2021-10-11 02:23:19,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2021-10-11 02:23:19,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 192 transitions. [2021-10-11 02:23:19,711 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 192 transitions. Word has length 18 [2021-10-11 02:23:19,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:19,712 INFO L481 AbstractCegarLoop]: Abstraction has 133 states and 192 transitions. [2021-10-11 02:23:19,712 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:23:19,712 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2021-10-11 02:23:19,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:23:19,714 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:19,714 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 02:23:19,921 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:23:19,921 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:19,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:19,922 INFO L82 PathProgramCache]: Analyzing trace with hash -609058893, now seen corresponding path program 1 times [2021-10-11 02:23:19,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:19,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [329684143] [2021-10-11 02:23:19,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76cf6f31-3f59-4779-b18c-6a568947c35f/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 02:23:20,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:20,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:23:20,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:20,218 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 02:23:20,218 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:20,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [329684143] [2021-10-11 02:23:20,219 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:20,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:23:20,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964087338] [2021-10-11 02:23:20,221 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:23:20,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:20,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:23:20,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:23:20,222 INFO L87 Difference]: Start difference. First operand 133 states and 192 transitions. Second operand 3 states. [2021-10-11 02:23:20,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:20,240 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2021-10-11 02:23:20,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:23:20,240 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:23:20,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:20,242 INFO L225 Difference]: With dead ends: 133 [2021-10-11 02:23:20,242 INFO L226 Difference]: Without dead ends: 55 [2021-10-11 02:23:20,243 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 02:23:20,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-11 02:23:20,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-11 02:23:20,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2021-10-11 02:23:20,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2021-10-11 02:23:20,252 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2021-10-11 02:23:20,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:20,253 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2021-10-11 02:23:20,253 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:23:20,253 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2021-10-11 02:23:20,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:23:20,254 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:20,254 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 02:23:20,461 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:23:20,461 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:20,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:20,462 INFO L82 PathProgramCache]: Analyzing trace with hash -1636802596, now seen corresponding path program 1 times [2021-10-11 02:23:20,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:20,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1874330680] [2021-10-11 02:23:20,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76cf6f31-3f59-4779-b18c-6a568947c35f/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 02:23:20,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:20,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:23:20,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:20,796 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 02:23:20,796 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:20,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1874330680] [2021-10-11 02:23:20,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:20,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:23:20,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529628744] [2021-10-11 02:23:20,798 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:23:20,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:20,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:23:20,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:23:20,799 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 3 states. [2021-10-11 02:23:20,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:20,849 INFO L93 Difference]: Finished difference Result 153 states and 225 transitions. [2021-10-11 02:23:20,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:23:20,850 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:23:20,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:20,852 INFO L225 Difference]: With dead ends: 153 [2021-10-11 02:23:20,852 INFO L226 Difference]: Without dead ends: 104 [2021-10-11 02:23:20,853 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 02:23:20,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-10-11 02:23:20,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 100. [2021-10-11 02:23:20,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2021-10-11 02:23:20,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 147 transitions. [2021-10-11 02:23:20,873 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 147 transitions. Word has length 24 [2021-10-11 02:23:20,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:20,874 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 147 transitions. [2021-10-11 02:23:20,874 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:23:20,874 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 147 transitions. [2021-10-11 02:23:20,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:23:20,876 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:20,876 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 02:23:21,091 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:23:21,091 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:21,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:21,091 INFO L82 PathProgramCache]: Analyzing trace with hash -1444892134, now seen corresponding path program 1 times [2021-10-11 02:23:21,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:21,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [154021856] [2021-10-11 02:23:21,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76cf6f31-3f59-4779-b18c-6a568947c35f/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 02:23:21,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:21,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:23:21,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:21,345 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 02:23:21,345 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:21,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [154021856] [2021-10-11 02:23:21,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:21,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:23:21,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81126619] [2021-10-11 02:23:21,347 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:23:21,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:21,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:23:21,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:23:21,348 INFO L87 Difference]: Start difference. First operand 100 states and 147 transitions. Second operand 3 states. [2021-10-11 02:23:21,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:21,438 INFO L93 Difference]: Finished difference Result 239 states and 356 transitions. [2021-10-11 02:23:21,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:23:21,439 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-10-11 02:23:21,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:21,441 INFO L225 Difference]: With dead ends: 239 [2021-10-11 02:23:21,441 INFO L226 Difference]: Without dead ends: 145 [2021-10-11 02:23:21,443 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 02:23:21,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2021-10-11 02:23:21,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 143. [2021-10-11 02:23:21,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2021-10-11 02:23:21,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 207 transitions. [2021-10-11 02:23:21,464 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 207 transitions. Word has length 26 [2021-10-11 02:23:21,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:21,465 INFO L481 AbstractCegarLoop]: Abstraction has 143 states and 207 transitions. [2021-10-11 02:23:21,465 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:23:21,465 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 207 transitions. [2021-10-11 02:23:21,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-11 02:23:21,467 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:21,467 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] [2021-10-11 02:23:21,686 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:23:21,686 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:21,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:21,687 INFO L82 PathProgramCache]: Analyzing trace with hash 266687089, now seen corresponding path program 1 times [2021-10-11 02:23:21,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:21,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1633616072] [2021-10-11 02:23:21,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76cf6f31-3f59-4779-b18c-6a568947c35f/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 02:23:21,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:21,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:23:21,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:21,988 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 02:23:21,989 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:21,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1633616072] [2021-10-11 02:23:21,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:21,990 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:23:21,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126436154] [2021-10-11 02:23:21,991 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:23:21,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:21,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:23:21,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:23:21,993 INFO L87 Difference]: Start difference. First operand 143 states and 207 transitions. Second operand 5 states. [2021-10-11 02:23:22,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:22,256 INFO L93 Difference]: Finished difference Result 757 states and 1113 transitions. [2021-10-11 02:23:22,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:23:22,257 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2021-10-11 02:23:22,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:22,266 INFO L225 Difference]: With dead ends: 757 [2021-10-11 02:23:22,266 INFO L226 Difference]: Without dead ends: 620 [2021-10-11 02:23:22,271 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 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 02:23:22,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2021-10-11 02:23:22,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 240. [2021-10-11 02:23:22,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2021-10-11 02:23:22,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 338 transitions. [2021-10-11 02:23:22,351 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 338 transitions. Word has length 27 [2021-10-11 02:23:22,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:22,352 INFO L481 AbstractCegarLoop]: Abstraction has 240 states and 338 transitions. [2021-10-11 02:23:22,353 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:23:22,353 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 338 transitions. [2021-10-11 02:23:22,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-11 02:23:22,360 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:22,360 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 02:23:22,577 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:23:22,578 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:22,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:22,579 INFO L82 PathProgramCache]: Analyzing trace with hash -1433576653, now seen corresponding path program 1 times [2021-10-11 02:23:22,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:22,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1382188761] [2021-10-11 02:23:22,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76cf6f31-3f59-4779-b18c-6a568947c35f/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 02:23:23,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:23:23,814 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:23:24,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:23:24,904 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:23:25,051 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:23:25,052 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:23:25,252 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:23:25,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:23:25 BoogieIcfgContainer [2021-10-11 02:23:25,408 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:23:25,409 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:23:25,414 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:23:25,415 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:23:25,416 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:23:19" (3/4) ... [2021-10-11 02:23:25,418 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:23:25,566 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76cf6f31-3f59-4779-b18c-6a568947c35f/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:23:25,566 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:23:25,568 INFO L168 Benchmark]: Toolchain (without parser) took 10734.92 ms. Allocated memory was 52.4 MB in the beginning and 100.7 MB in the end (delta: 48.2 MB). Free memory was 28.1 MB in the beginning and 52.2 MB in the end (delta: -24.1 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:25,569 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 52.4 MB. Free memory was 33.9 MB in the beginning and 33.8 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:23:25,570 INFO L168 Benchmark]: CACSL2BoogieTranslator took 798.69 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 27.9 MB in the beginning and 43.7 MB in the end (delta: -15.8 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:25,572 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.96 ms. Allocated memory is still 65.0 MB. Free memory was 43.7 MB in the beginning and 39.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:25,572 INFO L168 Benchmark]: Boogie Preprocessor took 61.42 ms. Allocated memory is still 65.0 MB. Free memory was 39.5 MB in the beginning and 36.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:25,573 INFO L168 Benchmark]: RCFGBuilder took 3355.53 ms. Allocated memory was 65.0 MB in the beginning and 83.9 MB in the end (delta: 18.9 MB). Free memory was 36.5 MB in the beginning and 45.0 MB in the end (delta: -8.5 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:25,573 INFO L168 Benchmark]: TraceAbstraction took 6271.43 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 44.5 MB in the beginning and 64.6 MB in the end (delta: -20.1 MB). Peak memory consumption was 32.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:25,574 INFO L168 Benchmark]: Witness Printer took 157.75 ms. Allocated memory is still 100.7 MB. Free memory was 64.6 MB in the beginning and 52.2 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:25,579 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 52.4 MB. Free memory was 33.9 MB in the beginning and 33.8 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 798.69 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 27.9 MB in the beginning and 43.7 MB in the end (delta: -15.8 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 82.96 ms. Allocated memory is still 65.0 MB. Free memory was 43.7 MB in the beginning and 39.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 61.42 ms. Allocated memory is still 65.0 MB. Free memory was 39.5 MB in the beginning and 36.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3355.53 ms. Allocated memory was 65.0 MB in the beginning and 83.9 MB in the end (delta: 18.9 MB). Free memory was 36.5 MB in the beginning and 45.0 MB in the end (delta: -8.5 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6271.43 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 44.5 MB in the beginning and 64.6 MB in the end (delta: -20.1 MB). Peak memory consumption was 32.3 MB. Max. memory is 16.1 GB. * Witness Printer took 157.75 ms. Allocated memory is still 100.7 MB. Free memory was 64.6 MB in the beginning and 52.2 MB in the end (delta: 12.4 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: 46]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L51] int cleanupTimeShifts = 4; [L359] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L631] int pumpRunning = 0; [L632] int systemActive = 1; [L843] int waterLevel = 1; [L844] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L132] int retValue_acc ; [L133] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L181] int retValue_acc ; [L184] retValue_acc = 1 [L185] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L139] tmp = valid_product() [L141] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L558] int splverifierCounter ; [L559] int tmp ; [L560] int tmp___0 ; [L561] int tmp___1 ; [L562] int tmp___2 ; [L565] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L567] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L569] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L575] tmp = __VERIFIER_nondet_int() [L577] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L861] COND TRUE waterLevel < 2 [L862] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L585] tmp___0 = __VERIFIER_nondet_int() [L587] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L595] tmp___2 = __VERIFIER_nondet_int() [L597] COND FALSE !(\read(tmp___2)) [L601] tmp___1 = __VERIFIER_nondet_int() [L603] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L830] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L837] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L639] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L646] COND FALSE !(\read(systemActive)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L938] int tmp ; [L939] int tmp___0 ; [L940] int tmp___1 ; [L882] int retValue_acc ; [L885] retValue_acc = methaneLevelCritical [L886] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L944] tmp = isMethaneLevelCritical() [L946] COND FALSE !(\read(tmp)) [L914] int retValue_acc ; [L917] retValue_acc = waterLevel [L918] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L950] tmp___0 = getWaterLevel() [L952] COND TRUE tmp___0 == 2 [L763] int retValue_acc ; [L766] retValue_acc = pumpRunning [L767] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L954] tmp___1 = isPumpRunning() [L956] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L46] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 137 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 6.0s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 559 SDtfs, 510 SDslu, 431 SDs, 0 SdLazy, 63 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 112 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=240occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 386 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 6333 SizeOfPredicates, 4 NumberOfNonLiveVariables, 995 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...