./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product18.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_44e9e92d-e4a3-430a-a3fa-2e6497125da0/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e9e92d-e4a3-430a-a3fa-2e6497125da0/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_44e9e92d-e4a3-430a-a3fa-2e6497125da0/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e9e92d-e4a3-430a-a3fa-2e6497125da0/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e9e92d-e4a3-430a-a3fa-2e6497125da0/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_44e9e92d-e4a3-430a-a3fa-2e6497125da0/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 19038d4a2c37771efda8321d3e888c138b34ccd1 ............................................................................................................................................ 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_44e9e92d-e4a3-430a-a3fa-2e6497125da0/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e9e92d-e4a3-430a-a3fa-2e6497125da0/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_44e9e92d-e4a3-430a-a3fa-2e6497125da0/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e9e92d-e4a3-430a-a3fa-2e6497125da0/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e9e92d-e4a3-430a-a3fa-2e6497125da0/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_44e9e92d-e4a3-430a-a3fa-2e6497125da0/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 19038d4a2c37771efda8321d3e888c138b34ccd1 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:27:46,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:27:46,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:27:46,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:27:46,213 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:27:46,215 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:27:46,217 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:27:46,220 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:27:46,223 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:27:46,224 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:27:46,226 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:27:46,228 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:27:46,229 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:27:46,230 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:27:46,232 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:27:46,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:27:46,235 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:27:46,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:27:46,239 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:27:46,242 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:27:46,244 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:27:46,246 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:27:46,248 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:27:46,250 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:27:46,257 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:27:46,257 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:27:46,258 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:27:46,260 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:27:46,261 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:27:46,269 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:27:46,269 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:27:46,271 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:27:46,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:27:46,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:27:46,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:27:46,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:27:46,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:27:46,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:27:46,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:27:46,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:27:46,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:27:46,284 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e9e92d-e4a3-430a-a3fa-2e6497125da0/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:27:46,335 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:27:46,336 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:27:46,337 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:27:46,338 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:27:46,338 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:27:46,338 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:27:46,338 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:27:46,339 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:27:46,339 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:27:46,339 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:27:46,341 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:27:46,341 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:27:46,341 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:27:46,342 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:27:46,342 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:27:46,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:27:46,343 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:27:46,343 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:27:46,344 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:27:46,344 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:27:46,344 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:27:46,344 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:27:46,345 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:27:46,345 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:27:46,345 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:27:46,345 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:27:46,346 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:27:46,346 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:27:46,346 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:27:46,348 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:27:46,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:27:46,349 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:27:46,349 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:27:46,349 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:27:46,350 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:27:46,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:27:46,350 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:27:46,350 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:27:46,351 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:27:46,351 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_44e9e92d-e4a3-430a-a3fa-2e6497125da0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e9e92d-e4a3-430a-a3fa-2e6497125da0/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19038d4a2c37771efda8321d3e888c138b34ccd1 [2021-10-11 02:27:46,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:27:46,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:27:46,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:27:46,707 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:27:46,708 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:27:46,709 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e9e92d-e4a3-430a-a3fa-2e6497125da0/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c [2021-10-11 02:27:46,793 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e9e92d-e4a3-430a-a3fa-2e6497125da0/bin/utaipan-WLngWcDbfI/data/1c8bf0d3a/1915dd4184ab42318987c7a51d9ce95b/FLAGb79b13984 [2021-10-11 02:27:47,490 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:27:47,491 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e9e92d-e4a3-430a-a3fa-2e6497125da0/sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c [2021-10-11 02:27:47,505 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e9e92d-e4a3-430a-a3fa-2e6497125da0/bin/utaipan-WLngWcDbfI/data/1c8bf0d3a/1915dd4184ab42318987c7a51d9ce95b/FLAGb79b13984 [2021-10-11 02:27:47,801 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e9e92d-e4a3-430a-a3fa-2e6497125da0/bin/utaipan-WLngWcDbfI/data/1c8bf0d3a/1915dd4184ab42318987c7a51d9ce95b [2021-10-11 02:27:47,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:27:47,807 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:27:47,809 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:47,809 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:27:47,813 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:27:47,814 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:47" (1/1) ... [2021-10-11 02:27:47,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@329401e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:47, skipping insertion in model container [2021-10-11 02:27:47,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:47" (1/1) ... [2021-10-11 02:27:47,824 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:27:47,876 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:27:48,258 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_44e9e92d-e4a3-430a-a3fa-2e6497125da0/sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c[17728,17741] [2021-10-11 02:27:48,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:48,291 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 02:27:48,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@335b3d53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:48, skipping insertion in model container [2021-10-11 02:27:48,296 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:48,297 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:27:48,300 INFO L168 Benchmark]: Toolchain (without parser) took 491.07 ms. Allocated memory is still 109.1 MB. Free memory was 76.5 MB in the beginning and 80.7 MB in the end (delta: -4.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:48,303 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 109.1 MB. Free memory was 65.5 MB in the beginning and 65.5 MB in the end (delta: 54.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:27:48,304 INFO L168 Benchmark]: CACSL2BoogieTranslator took 488.01 ms. Allocated memory is still 109.1 MB. Free memory was 76.3 MB in the beginning and 80.7 MB in the end (delta: -4.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:48,308 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 109.1 MB. Free memory was 65.5 MB in the beginning and 65.5 MB in the end (delta: 54.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 488.01 ms. Allocated memory is still 109.1 MB. Free memory was 76.3 MB in the beginning and 80.7 MB in the end (delta: -4.4 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: 537]: 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 02:27:50,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:27:50,997 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:27:51,041 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:27:51,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:27:51,050 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:27:51,053 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:27:51,059 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:27:51,063 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:27:51,071 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:27:51,073 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:27:51,074 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:27:51,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:27:51,076 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:27:51,078 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:27:51,079 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:27:51,080 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:27:51,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:27:51,086 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:27:51,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:27:51,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:27:51,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:27:51,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:27:51,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:27:51,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:27:51,119 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:27:51,119 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:27:51,126 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:27:51,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:27:51,128 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:27:51,129 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:27:51,130 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:27:51,132 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:27:51,133 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:27:51,135 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:27:51,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:27:51,136 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:27:51,136 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:27:51,137 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:27:51,139 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:27:51,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:27:51,141 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e9e92d-e4a3-430a-a3fa-2e6497125da0/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:27:51,187 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:27:51,191 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:27:51,193 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:27:51,193 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:27:51,194 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:27:51,194 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:27:51,194 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:27:51,194 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:27:51,195 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:27:51,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:27:51,198 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:27:51,199 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:27:51,199 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:27:51,199 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:27:51,199 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:27:51,200 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:27:51,200 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:27:51,200 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:27:51,200 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:27:51,200 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:27:51,201 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:27:51,201 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:27:51,201 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:27:51,201 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:27:51,202 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:27:51,202 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:27:51,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:27:51,202 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:27:51,202 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:27:51,203 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:27:51,203 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:27:51,203 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:27:51,203 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:27:51,204 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:27:51,204 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:27:51,204 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_44e9e92d-e4a3-430a-a3fa-2e6497125da0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e9e92d-e4a3-430a-a3fa-2e6497125da0/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19038d4a2c37771efda8321d3e888c138b34ccd1 [2021-10-11 02:27:51,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:27:51,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:27:51,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:27:51,693 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:27:51,694 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:27:51,695 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e9e92d-e4a3-430a-a3fa-2e6497125da0/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c [2021-10-11 02:27:51,793 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e9e92d-e4a3-430a-a3fa-2e6497125da0/bin/utaipan-WLngWcDbfI/data/86f218654/f094a01ed20f4e3fb3533f831df2b530/FLAG4135de780 [2021-10-11 02:27:52,588 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:27:52,588 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e9e92d-e4a3-430a-a3fa-2e6497125da0/sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c [2021-10-11 02:27:52,610 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e9e92d-e4a3-430a-a3fa-2e6497125da0/bin/utaipan-WLngWcDbfI/data/86f218654/f094a01ed20f4e3fb3533f831df2b530/FLAG4135de780 [2021-10-11 02:27:52,851 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e9e92d-e4a3-430a-a3fa-2e6497125da0/bin/utaipan-WLngWcDbfI/data/86f218654/f094a01ed20f4e3fb3533f831df2b530 [2021-10-11 02:27:52,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:27:52,865 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:27:52,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:52,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:27:52,872 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:27:52,874 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:52" (1/1) ... [2021-10-11 02:27:52,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@183528a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:52, skipping insertion in model container [2021-10-11 02:27:52,878 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:52" (1/1) ... [2021-10-11 02:27:52,888 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:27:52,970 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:27:53,400 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_44e9e92d-e4a3-430a-a3fa-2e6497125da0/sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c[17728,17741] [2021-10-11 02:27:53,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:53,419 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:27:53,428 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:27:53,515 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_44e9e92d-e4a3-430a-a3fa-2e6497125da0/sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c[17728,17741] [2021-10-11 02:27:53,516 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:53,539 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:27:53,614 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_44e9e92d-e4a3-430a-a3fa-2e6497125da0/sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c[17728,17741] [2021-10-11 02:27:53,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:53,672 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:27:53,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:53 WrapperNode [2021-10-11 02:27:53,673 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:53,683 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:27:53,683 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:27:53,684 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:27:53,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:53" (1/1) ... [2021-10-11 02:27:53,715 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:53" (1/1) ... [2021-10-11 02:27:53,762 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:27:53,763 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:27:53,763 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:27:53,764 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:27:53,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:53" (1/1) ... [2021-10-11 02:27:53,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:53" (1/1) ... [2021-10-11 02:27:53,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:53" (1/1) ... [2021-10-11 02:27:53,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:53" (1/1) ... [2021-10-11 02:27:53,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:53" (1/1) ... [2021-10-11 02:27:53,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:53" (1/1) ... [2021-10-11 02:27:53,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:53" (1/1) ... [2021-10-11 02:27:53,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:27:53,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:27:53,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:27:53,814 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:27:53,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:53" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e9e92d-e4a3-430a-a3fa-2e6497125da0/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 02:27:53,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:27:53,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:27:53,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:27:53,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:27:56,831 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:27:56,831 INFO L299 CfgBuilder]: Removed 100 assume(true) statements. [2021-10-11 02:27:56,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:27:56 BoogieIcfgContainer [2021-10-11 02:27:56,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:27:56,835 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:27:56,851 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:27:56,855 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:27:56,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:27:52" (1/3) ... [2021-10-11 02:27:56,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fbfe351 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:27:56, skipping insertion in model container [2021-10-11 02:27:56,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:53" (2/3) ... [2021-10-11 02:27:56,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fbfe351 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:27:56, skipping insertion in model container [2021-10-11 02:27:56,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:27:56" (3/3) ... [2021-10-11 02:27:56,860 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product18.cil.c [2021-10-11 02:27:56,893 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:27:56,919 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:27:56,932 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:27:56,975 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:27:56,976 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:27:56,976 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:27:56,976 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:27:56,976 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:27:56,977 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:27:56,977 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:27:56,977 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:27:56,994 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states. [2021-10-11 02:27:57,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:27:57,000 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:57,001 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 02:27:57,002 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:57,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:57,008 INFO L82 PathProgramCache]: Analyzing trace with hash -139589629, now seen corresponding path program 1 times [2021-10-11 02:27:57,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:57,024 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [89766108] [2021-10-11 02:27:57,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e9e92d-e4a3-430a-a3fa-2e6497125da0/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 02:27:57,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:57,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:27:57,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:57,427 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 02:27:57,427 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:27:57,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [89766108] [2021-10-11 02:27:57,430 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:27:57,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:27:57,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248125566] [2021-10-11 02:27:57,441 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:27:57,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:27:57,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:27:57,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:27:57,467 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 2 states. [2021-10-11 02:27:57,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:57,519 INFO L93 Difference]: Finished difference Result 151 states and 228 transitions. [2021-10-11 02:27:57,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:27:57,521 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:27:57,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:57,533 INFO L225 Difference]: With dead ends: 151 [2021-10-11 02:27:57,534 INFO L226 Difference]: Without dead ends: 75 [2021-10-11 02:27:57,537 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 02:27:57,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-11 02:27:57,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-10-11 02:27:57,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2021-10-11 02:27:57,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2021-10-11 02:27:57,582 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 18 [2021-10-11 02:27:57,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:57,583 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2021-10-11 02:27:57,583 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:27:57,584 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2021-10-11 02:27:57,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:27:57,585 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:57,586 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 02:27:57,800 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:27:57,801 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:57,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:57,802 INFO L82 PathProgramCache]: Analyzing trace with hash 221130307, now seen corresponding path program 1 times [2021-10-11 02:27:57,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:57,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [471904294] [2021-10-11 02:27:57,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e9e92d-e4a3-430a-a3fa-2e6497125da0/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 02:27:58,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:58,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:27:58,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:58,104 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 02:27:58,104 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:27:58,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [471904294] [2021-10-11 02:27:58,105 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:27:58,105 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:27:58,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102398957] [2021-10-11 02:27:58,108 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:27:58,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:27:58,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:27:58,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:27:58,113 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand 3 states. [2021-10-11 02:27:58,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:58,146 INFO L93 Difference]: Finished difference Result 75 states and 106 transitions. [2021-10-11 02:27:58,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:27:58,148 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:27:58,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:58,151 INFO L225 Difference]: With dead ends: 75 [2021-10-11 02:27:58,152 INFO L226 Difference]: Without dead ends: 35 [2021-10-11 02:27:58,153 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 02:27:58,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-11 02:27:58,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-11 02:27:58,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-10-11 02:27:58,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2021-10-11 02:27:58,170 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2021-10-11 02:27:58,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:58,174 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-10-11 02:27:58,175 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:27:58,175 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-10-11 02:27:58,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:27:58,179 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:58,179 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 02:27:58,396 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:27:58,396 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:58,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:58,397 INFO L82 PathProgramCache]: Analyzing trace with hash -716043337, now seen corresponding path program 1 times [2021-10-11 02:27:58,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:58,398 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [458818098] [2021-10-11 02:27:58,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e9e92d-e4a3-430a-a3fa-2e6497125da0/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 02:27:58,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:58,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:27:58,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:58,637 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 02:27:58,638 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:27:58,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [458818098] [2021-10-11 02:27:58,638 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:27:58,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:27:58,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289688535] [2021-10-11 02:27:58,640 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:27:58,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:27:58,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:27:58,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:27:58,641 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 3 states. [2021-10-11 02:27:58,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:58,686 INFO L93 Difference]: Finished difference Result 63 states and 91 transitions. [2021-10-11 02:27:58,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:27:58,688 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:27:58,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:58,689 INFO L225 Difference]: With dead ends: 63 [2021-10-11 02:27:58,689 INFO L226 Difference]: Without dead ends: 35 [2021-10-11 02:27:58,690 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 02:27:58,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-11 02:27:58,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-11 02:27:58,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-10-11 02:27:58,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2021-10-11 02:27:58,700 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 48 transitions. Word has length 24 [2021-10-11 02:27:58,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:58,700 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 48 transitions. [2021-10-11 02:27:58,701 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:27:58,701 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2021-10-11 02:27:58,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 02:27:58,703 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:58,703 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 02:27:58,917 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:27:58,918 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:58,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:58,918 INFO L82 PathProgramCache]: Analyzing trace with hash -1023539591, now seen corresponding path program 1 times [2021-10-11 02:27:58,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:58,919 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [975129484] [2021-10-11 02:27:58,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e9e92d-e4a3-430a-a3fa-2e6497125da0/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 02:27:59,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:59,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:27:59,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:59,234 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 02:27:59,234 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:27:59,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [975129484] [2021-10-11 02:27:59,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:27:59,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:27:59,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871811374] [2021-10-11 02:27:59,236 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:27:59,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:27:59,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:27:59,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:27:59,238 INFO L87 Difference]: Start difference. First operand 35 states and 48 transitions. Second operand 5 states. [2021-10-11 02:27:59,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:59,383 INFO L93 Difference]: Finished difference Result 154 states and 228 transitions. [2021-10-11 02:27:59,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:27:59,385 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2021-10-11 02:27:59,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:59,394 INFO L225 Difference]: With dead ends: 154 [2021-10-11 02:27:59,395 INFO L226 Difference]: Without dead ends: 126 [2021-10-11 02:27:59,396 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:27:59,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2021-10-11 02:27:59,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 58. [2021-10-11 02:27:59,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2021-10-11 02:27:59,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 81 transitions. [2021-10-11 02:27:59,424 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 81 transitions. Word has length 25 [2021-10-11 02:27:59,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:59,426 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 81 transitions. [2021-10-11 02:27:59,427 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:27:59,427 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2021-10-11 02:27:59,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:27:59,429 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:59,429 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 02:27:59,654 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:27:59,654 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:59,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:59,655 INFO L82 PathProgramCache]: Analyzing trace with hash -917769487, now seen corresponding path program 1 times [2021-10-11 02:27:59,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:59,656 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1557700606] [2021-10-11 02:27:59,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e9e92d-e4a3-430a-a3fa-2e6497125da0/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 02:27:59,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:59,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:27:59,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:59,936 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 02:27:59,936 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:27:59,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1557700606] [2021-10-11 02:27:59,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:27:59,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:27:59,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296238436] [2021-10-11 02:27:59,938 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:27:59,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:27:59,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:27:59,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:27:59,939 INFO L87 Difference]: Start difference. First operand 58 states and 81 transitions. Second operand 5 states. [2021-10-11 02:28:00,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:00,054 INFO L93 Difference]: Finished difference Result 150 states and 218 transitions. [2021-10-11 02:28:00,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:28:00,055 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2021-10-11 02:28:00,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:00,055 INFO L225 Difference]: With dead ends: 150 [2021-10-11 02:28:00,056 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:28:00,057 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:28:00,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:28:00,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:28:00,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:28:00,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:28:00,058 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-10-11 02:28:00,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:00,058 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:28:00,059 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:28:00,059 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:28:00,059 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:28:00,272 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:28:00,274 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:28:00,901 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 919) no Hoare annotation was computed. [2021-10-11 02:28:00,902 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:28:00,902 INFO L262 CegarLoopResult]: For program point L450(lines 450 454) no Hoare annotation was computed. [2021-10-11 02:28:00,902 INFO L262 CegarLoopResult]: For program point L236(lines 236 242) no Hoare annotation was computed. [2021-10-11 02:28:00,902 INFO L258 CegarLoopResult]: At program point L236-1(lines 236 242) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:00,902 INFO L262 CegarLoopResult]: For program point L897(lines 897 907) no Hoare annotation was computed. [2021-10-11 02:28:00,902 INFO L262 CegarLoopResult]: For program point L897-2(lines 897 907) no Hoare annotation was computed. [2021-10-11 02:28:00,902 INFO L262 CegarLoopResult]: For program point L897-4(lines 897 907) no Hoare annotation was computed. [2021-10-11 02:28:00,902 INFO L262 CegarLoopResult]: For program point L898(lines 898 904) no Hoare annotation was computed. [2021-10-11 02:28:00,902 INFO L262 CegarLoopResult]: For program point L898-2(lines 898 904) no Hoare annotation was computed. [2021-10-11 02:28:00,902 INFO L262 CegarLoopResult]: For program point L898-4(lines 898 904) no Hoare annotation was computed. [2021-10-11 02:28:00,903 INFO L262 CegarLoopResult]: For program point L370(lines 370 377) no Hoare annotation was computed. [2021-10-11 02:28:00,903 INFO L258 CegarLoopResult]: At program point L882(lines 877 884) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:00,903 INFO L265 CegarLoopResult]: At program point L370-1(lines 370 377) the Hoare annotation is: true [2021-10-11 02:28:00,903 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:28:00,903 INFO L262 CegarLoopResult]: For program point L256(lines 256 269) no Hoare annotation was computed. [2021-10-11 02:28:00,903 INFO L258 CegarLoopResult]: At program point L504(lines 499 507) the Hoare annotation is: false [2021-10-11 02:28:00,903 INFO L258 CegarLoopResult]: At program point L504-1(lines 499 507) the Hoare annotation is: false [2021-10-11 02:28:00,903 INFO L262 CegarLoopResult]: For program point L438(lines 438 442) no Hoare annotation was computed. [2021-10-11 02:28:00,903 INFO L258 CegarLoopResult]: At program point L504-2(lines 499 507) the Hoare annotation is: false [2021-10-11 02:28:00,903 INFO L262 CegarLoopResult]: For program point L92(lines 92 109) no Hoare annotation was computed. [2021-10-11 02:28:00,903 INFO L262 CegarLoopResult]: For program point L92-1(lines 92 109) no Hoare annotation was computed. [2021-10-11 02:28:00,903 INFO L262 CegarLoopResult]: For program point L92-2(lines 92 109) no Hoare annotation was computed. [2021-10-11 02:28:00,904 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 919) no Hoare annotation was computed. [2021-10-11 02:28:00,904 INFO L258 CegarLoopResult]: At program point L406(lines 1 922) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:00,904 INFO L258 CegarLoopResult]: At program point L274(lines 225 275) the Hoare annotation is: false [2021-10-11 02:28:00,904 INFO L258 CegarLoopResult]: At program point L60(lines 59 78) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:00,904 INFO L262 CegarLoopResult]: For program point L60-1(lines 60 66) no Hoare annotation was computed. [2021-10-11 02:28:00,904 INFO L258 CegarLoopResult]: At program point L60-2(lines 59 78) the Hoare annotation is: false [2021-10-11 02:28:00,904 INFO L258 CegarLoopResult]: At program point L60-3(lines 59 78) the Hoare annotation is: false [2021-10-11 02:28:00,904 INFO L262 CegarLoopResult]: For program point L919(line 919) no Hoare annotation was computed. [2021-10-11 02:28:00,904 INFO L262 CegarLoopResult]: For program point L919-1(line 919) no Hoare annotation was computed. [2021-10-11 02:28:00,904 INFO L262 CegarLoopResult]: For program point L919-2(line 919) no Hoare annotation was computed. [2021-10-11 02:28:00,905 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:28:00,905 INFO L258 CegarLoopResult]: At program point L342(lines 338 344) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:00,905 INFO L262 CegarLoopResult]: For program point L227(lines 226 273) no Hoare annotation was computed. [2021-10-11 02:28:00,905 INFO L262 CegarLoopResult]: For program point L194(lines 194 198) no Hoare annotation was computed. [2021-10-11 02:28:00,905 INFO L262 CegarLoopResult]: For program point L194-2(lines 194 198) no Hoare annotation was computed. [2021-10-11 02:28:00,905 INFO L262 CegarLoopResult]: For program point L194-3(lines 194 198) no Hoare annotation was computed. [2021-10-11 02:28:00,905 INFO L262 CegarLoopResult]: For program point L194-5(lines 194 198) no Hoare annotation was computed. [2021-10-11 02:28:00,905 INFO L262 CegarLoopResult]: For program point L194-6(lines 194 198) no Hoare annotation was computed. [2021-10-11 02:28:00,905 INFO L262 CegarLoopResult]: For program point L194-8(lines 194 198) no Hoare annotation was computed. [2021-10-11 02:28:00,905 INFO L258 CegarLoopResult]: At program point L145(lines 140 148) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:00,905 INFO L258 CegarLoopResult]: At program point L145-1(lines 140 148) the Hoare annotation is: false [2021-10-11 02:28:00,905 INFO L258 CegarLoopResult]: At program point L145-2(lines 140 148) the Hoare annotation is: false [2021-10-11 02:28:00,906 INFO L262 CegarLoopResult]: For program point L426(lines 426 430) no Hoare annotation was computed. [2021-10-11 02:28:00,906 INFO L262 CegarLoopResult]: For program point L426-3(lines 426 430) no Hoare annotation was computed. [2021-10-11 02:28:00,906 INFO L262 CegarLoopResult]: For program point L228(lines 228 232) no Hoare annotation was computed. [2021-10-11 02:28:00,906 INFO L262 CegarLoopResult]: For program point L426-6(lines 426 430) no Hoare annotation was computed. [2021-10-11 02:28:00,906 INFO L258 CegarLoopResult]: At program point L294-2(lines 294 308) the Hoare annotation is: false [2021-10-11 02:28:00,906 INFO L262 CegarLoopResult]: For program point L96(lines 96 104) no Hoare annotation was computed. [2021-10-11 02:28:00,906 INFO L262 CegarLoopResult]: For program point L96-1(lines 96 104) no Hoare annotation was computed. [2021-10-11 02:28:00,906 INFO L262 CegarLoopResult]: For program point L96-2(lines 96 104) no Hoare annotation was computed. [2021-10-11 02:28:00,906 INFO L262 CegarLoopResult]: For program point L295(line 295) no Hoare annotation was computed. [2021-10-11 02:28:00,906 INFO L262 CegarLoopResult]: For program point L246(lines 246 252) no Hoare annotation was computed. [2021-10-11 02:28:00,906 INFO L258 CegarLoopResult]: At program point L246-1(lines 246 252) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:00,906 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:28:00,906 INFO L265 CegarLoopResult]: At program point L379(lines 360 382) the Hoare annotation is: true [2021-10-11 02:28:00,907 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 919) no Hoare annotation was computed. [2021-10-11 02:28:00,907 INFO L262 CegarLoopResult]: For program point L264(lines 264 268) no Hoare annotation was computed. [2021-10-11 02:28:00,907 INFO L258 CegarLoopResult]: At program point L264-2(lines 60 66) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:00,907 INFO L258 CegarLoopResult]: At program point L463(lines 458 466) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:00,907 INFO L258 CegarLoopResult]: At program point L463-1(lines 458 466) the Hoare annotation is: false [2021-10-11 02:28:00,907 INFO L258 CegarLoopResult]: At program point L463-2(lines 458 466) the Hoare annotation is: false [2021-10-11 02:28:00,907 INFO L262 CegarLoopResult]: For program point L298(lines 298 302) no Hoare annotation was computed. [2021-10-11 02:28:00,907 INFO L262 CegarLoopResult]: For program point L298-1(lines 60 66) no Hoare annotation was computed. [2021-10-11 02:28:00,907 INFO L258 CegarLoopResult]: At program point L67(lines 67 73) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:00,907 INFO L258 CegarLoopResult]: At program point L67-1(lines 67 73) the Hoare annotation is: false [2021-10-11 02:28:00,908 INFO L258 CegarLoopResult]: At program point L67-2(lines 67 73) the Hoare annotation is: false [2021-10-11 02:28:00,908 INFO L258 CegarLoopResult]: At program point L414(lines 409 417) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:00,908 INFO L262 CegarLoopResult]: For program point L893(lines 893 910) no Hoare annotation was computed. [2021-10-11 02:28:00,908 INFO L258 CegarLoopResult]: At program point L893-1(lines 1 922) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:00,908 INFO L262 CegarLoopResult]: For program point L893-2(lines 893 910) no Hoare annotation was computed. [2021-10-11 02:28:00,908 INFO L258 CegarLoopResult]: At program point L893-3(lines 1 922) the Hoare annotation is: false [2021-10-11 02:28:00,908 INFO L262 CegarLoopResult]: For program point L893-4(lines 893 910) no Hoare annotation was computed. [2021-10-11 02:28:00,908 INFO L258 CegarLoopResult]: At program point L893-5(lines 1 922) the Hoare annotation is: false [2021-10-11 02:28:00,908 INFO L258 CegarLoopResult]: At program point L200(lines 185 203) the Hoare annotation is: false [2021-10-11 02:28:00,908 INFO L258 CegarLoopResult]: At program point L200-1(lines 185 203) the Hoare annotation is: false [2021-10-11 02:28:00,908 INFO L258 CegarLoopResult]: At program point L200-2(lines 185 203) the Hoare annotation is: false [2021-10-11 02:28:00,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:28:00 BoogieIcfgContainer [2021-10-11 02:28:00,956 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:28:00,957 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:28:00,957 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:28:00,957 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:28:00,958 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:27:56" (3/4) ... [2021-10-11 02:28:00,961 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:28:00,987 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:28:00,988 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:28:00,989 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:28:00,990 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:28:00,991 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:28:00,991 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:28:00,992 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:28:01,026 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:28:01,081 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e9e92d-e4a3-430a-a3fa-2e6497125da0/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:28:01,081 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:28:01,083 INFO L168 Benchmark]: Toolchain (without parser) took 8217.55 ms. Allocated memory was 62.9 MB in the beginning and 98.6 MB in the end (delta: 35.7 MB). Free memory was 42.7 MB in the beginning and 65.2 MB in the end (delta: -22.5 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:01,083 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 62.9 MB. Free memory is still 45.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:28:01,084 INFO L168 Benchmark]: CACSL2BoogieTranslator took 815.28 ms. Allocated memory was 62.9 MB in the beginning and 81.8 MB in the end (delta: 18.9 MB). Free memory was 42.5 MB in the beginning and 65.7 MB in the end (delta: -23.3 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:01,084 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.25 ms. Allocated memory is still 81.8 MB. Free memory was 65.7 MB in the beginning and 62.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:01,085 INFO L168 Benchmark]: Boogie Preprocessor took 49.87 ms. Allocated memory is still 81.8 MB. Free memory was 62.9 MB in the beginning and 60.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:01,085 INFO L168 Benchmark]: RCFGBuilder took 3019.53 ms. Allocated memory is still 81.8 MB. Free memory was 60.4 MB in the beginning and 53.3 MB in the end (delta: 7.2 MB). Peak memory consumption was 27.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:01,086 INFO L168 Benchmark]: TraceAbstraction took 4120.83 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 52.6 MB in the beginning and 71.5 MB in the end (delta: -18.9 MB). Peak memory consumption was 32.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:01,086 INFO L168 Benchmark]: Witness Printer took 124.91 ms. Allocated memory is still 98.6 MB. Free memory was 71.5 MB in the beginning and 65.2 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:01,088 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 62.9 MB. Free memory is still 45.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 815.28 ms. Allocated memory was 62.9 MB in the beginning and 81.8 MB in the end (delta: 18.9 MB). Free memory was 42.5 MB in the beginning and 65.7 MB in the end (delta: -23.3 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 79.25 ms. Allocated memory is still 81.8 MB. Free memory was 65.7 MB in the beginning and 62.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 49.87 ms. Allocated memory is still 81.8 MB. Free memory was 62.9 MB in the beginning and 60.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3019.53 ms. Allocated memory is still 81.8 MB. Free memory was 60.4 MB in the beginning and 53.3 MB in the end (delta: 7.2 MB). Peak memory consumption was 27.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4120.83 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 52.6 MB in the beginning and 71.5 MB in the end (delta: -18.9 MB). Peak memory consumption was 32.6 MB. Max. memory is 16.1 GB. * Witness Printer took 124.91 ms. Allocated memory is still 98.6 MB. Free memory was 71.5 MB in the beginning and 65.2 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 919]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 919]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 919]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 79 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 328 SDtfs, 312 SDslu, 294 SDs, 0 SdLazy, 41 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=0, 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, 5 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 73 NumberOfFragments, 167 HoareAnnotationTreeSize, 32 FomulaSimplifications, 1269 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 32 FomulaSimplificationsInter, 204 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 3909 SizeOfPredicates, 7 NumberOfNonLiveVariables, 991 ConjunctsInSsa, 15 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 correct! Received shutdown request...