./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_11ca61e4-2d6d-4ebc-8ee2-6c2245d827d5/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_11ca61e4-2d6d-4ebc-8ee2-6c2245d827d5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_11ca61e4-2d6d-4ebc-8ee2-6c2245d827d5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_11ca61e4-2d6d-4ebc-8ee2-6c2245d827d5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_11ca61e4-2d6d-4ebc-8ee2-6c2245d827d5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_11ca61e4-2d6d-4ebc-8ee2-6c2245d827d5/bin/utaipan --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 3b38310287d90f8069af2c9350481a8126041a79 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_11ca61e4-2d6d-4ebc-8ee2-6c2245d827d5/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_11ca61e4-2d6d-4ebc-8ee2-6c2245d827d5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_11ca61e4-2d6d-4ebc-8ee2-6c2245d827d5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_11ca61e4-2d6d-4ebc-8ee2-6c2245d827d5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_11ca61e4-2d6d-4ebc-8ee2-6c2245d827d5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_11ca61e4-2d6d-4ebc-8ee2-6c2245d827d5/bin/utaipan --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 3b38310287d90f8069af2c9350481a8126041a79 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 12:55:43,199 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:55:43,202 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:55:43,247 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:55:43,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:55:43,250 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:55:43,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:55:43,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:55:43,258 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:55:43,259 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:55:43,273 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:55:43,275 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:55:43,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:55:43,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:55:43,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:55:43,284 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:55:43,286 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:55:43,297 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:55:43,300 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:55:43,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:55:43,310 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:55:43,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:55:43,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:55:43,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:55:43,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:55:43,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:55:43,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:55:43,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:55:43,331 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:55:43,339 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:55:43,340 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:55:43,341 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:55:43,344 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:55:43,345 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:55:43,347 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:55:43,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:55:43,348 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:55:43,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:55:43,349 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:55:43,350 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:55:43,351 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:55:43,355 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_11ca61e4-2d6d-4ebc-8ee2-6c2245d827d5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 12:55:43,408 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:55:43,409 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:55:43,411 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:55:43,411 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:55:43,411 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:55:43,411 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:55:43,412 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 12:55:43,412 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:55:43,412 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:55:43,412 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 12:55:43,414 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 12:55:43,414 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:55:43,414 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 12:55:43,415 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 12:55:43,415 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 12:55:43,416 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:55:43,416 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:55:43,416 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:55:43,416 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:55:43,417 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:55:43,417 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:55:43,417 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:55:43,417 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:55:43,418 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:55:43,418 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:55:43,418 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:55:43,418 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:55:43,419 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:55:43,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:55:43,421 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:55:43,421 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:55:43,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:55:43,422 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:55:43,422 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:55:43,422 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:55:43,422 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 12:55:43,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 12:55:43,423 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:55:43,423 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:55:43,423 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:55:43,423 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-vcloud-master/worker/run_dir_11ca61e4-2d6d-4ebc-8ee2-6c2245d827d5/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_11ca61e4-2d6d-4ebc-8ee2-6c2245d827d5/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b38310287d90f8069af2c9350481a8126041a79 [2020-11-22 12:55:43,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:55:43,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:55:43,822 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:55:43,824 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:55:43,825 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:55:43,826 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_11ca61e4-2d6d-4ebc-8ee2-6c2245d827d5/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2020-11-22 12:55:43,927 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_11ca61e4-2d6d-4ebc-8ee2-6c2245d827d5/bin/utaipan/data/176449df7/8286a40657aa4c44bd2451b055db68e5/FLAG2e4c160f5 [2020-11-22 12:55:44,576 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:55:44,576 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_11ca61e4-2d6d-4ebc-8ee2-6c2245d827d5/sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2020-11-22 12:55:44,601 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_11ca61e4-2d6d-4ebc-8ee2-6c2245d827d5/bin/utaipan/data/176449df7/8286a40657aa4c44bd2451b055db68e5/FLAG2e4c160f5 [2020-11-22 12:55:44,863 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_11ca61e4-2d6d-4ebc-8ee2-6c2245d827d5/bin/utaipan/data/176449df7/8286a40657aa4c44bd2451b055db68e5 [2020-11-22 12:55:44,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:55:44,870 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:55:44,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:55:44,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:55:44,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:55:44,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:55:44" (1/1) ... [2020-11-22 12:55:44,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@401dde13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:44, skipping insertion in model container [2020-11-22 12:55:44,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:55:44" (1/1) ... [2020-11-22 12:55:44,889 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:55:44,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:55:45,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:55:45,378 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) [2020-11-22 12:55:45,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@53037f9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:45, skipping insertion in model container [2020-11-22 12:55:45,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:55:45,381 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 12:55:45,383 INFO L168 Benchmark]: Toolchain (without parser) took 511.54 ms. Allocated memory is still 90.2 MB. Free memory was 54.9 MB in the beginning and 64.6 MB in the end (delta: -9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:55:45,384 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 90.2 MB. Free memory was 61.4 MB in the beginning and 61.4 MB in the end (delta: 26.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:55:45,385 INFO L168 Benchmark]: CACSL2BoogieTranslator took 508.17 ms. Allocated memory is still 90.2 MB. Free memory was 54.8 MB in the beginning and 64.6 MB in the end (delta: -9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:55:45,388 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 90.2 MB. Free memory was 61.4 MB in the beginning and 61.4 MB in the end (delta: 26.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 508.17 ms. Allocated memory is still 90.2 MB. Free memory was 54.8 MB in the beginning and 64.6 MB in the end (delta: -9.7 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: 293]: 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-a4ecdab [2020-11-22 12:55:47,996 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:55:47,999 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:55:48,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:55:48,046 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:55:48,052 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:55:48,054 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:55:48,059 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:55:48,063 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:55:48,069 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:55:48,071 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:55:48,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:55:48,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:55:48,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:55:48,093 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:55:48,095 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:55:48,097 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:55:48,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:55:48,105 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:55:48,113 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:55:48,116 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:55:48,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:55:48,127 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:55:48,129 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:55:48,133 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:55:48,137 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:55:48,138 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:55:48,139 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:55:48,141 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:55:48,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:55:48,143 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:55:48,144 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:55:48,147 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:55:48,148 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:55:48,150 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:55:48,150 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:55:48,151 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:55:48,151 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:55:48,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:55:48,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:55:48,155 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:55:48,156 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_11ca61e4-2d6d-4ebc-8ee2-6c2245d827d5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 12:55:48,202 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:55:48,202 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:55:48,205 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:55:48,205 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:55:48,205 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:55:48,206 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:55:48,206 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:55:48,206 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:55:48,207 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:55:48,208 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:55:48,209 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:55:48,210 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:55:48,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:55:48,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:55:48,211 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:55:48,211 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:55:48,211 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:55:48,211 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 12:55:48,211 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 12:55:48,212 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:55:48,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:55:48,212 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:55:48,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:55:48,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:55:48,213 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 12:55:48,213 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:55:48,213 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:55:48,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:55:48,214 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:55:48,214 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:55:48,214 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:55:48,215 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 12:55:48,215 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 12:55:48,215 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:55:48,216 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:55:48,216 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:55:48,216 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-vcloud-master/worker/run_dir_11ca61e4-2d6d-4ebc-8ee2-6c2245d827d5/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_11ca61e4-2d6d-4ebc-8ee2-6c2245d827d5/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b38310287d90f8069af2c9350481a8126041a79 [2020-11-22 12:55:48,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:55:48,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:55:48,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:55:48,721 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:55:48,722 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:55:48,723 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_11ca61e4-2d6d-4ebc-8ee2-6c2245d827d5/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2020-11-22 12:55:48,793 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_11ca61e4-2d6d-4ebc-8ee2-6c2245d827d5/bin/utaipan/data/173c7c949/113e0c72f5a04f519263c7947b35405c/FLAG3d04b3beb [2020-11-22 12:55:49,448 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:55:49,449 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_11ca61e4-2d6d-4ebc-8ee2-6c2245d827d5/sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2020-11-22 12:55:49,463 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_11ca61e4-2d6d-4ebc-8ee2-6c2245d827d5/bin/utaipan/data/173c7c949/113e0c72f5a04f519263c7947b35405c/FLAG3d04b3beb [2020-11-22 12:55:49,758 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_11ca61e4-2d6d-4ebc-8ee2-6c2245d827d5/bin/utaipan/data/173c7c949/113e0c72f5a04f519263c7947b35405c [2020-11-22 12:55:49,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:55:49,763 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:55:49,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:55:49,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:55:49,773 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:55:49,775 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:55:49" (1/1) ... [2020-11-22 12:55:49,781 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d6b9e29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:49, skipping insertion in model container [2020-11-22 12:55:49,782 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:55:49" (1/1) ... [2020-11-22 12:55:49,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:55:49,881 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:55:50,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:55:50,355 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 12:55:50,374 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:55:50,475 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:55:50,487 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 12:55:50,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:55:50,616 INFO L208 MainTranslator]: Completed translation [2020-11-22 12:55:50,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:50 WrapperNode [2020-11-22 12:55:50,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:55:50,619 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 12:55:50,619 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 12:55:50,619 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 12:55:50,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:50" (1/1) ... [2020-11-22 12:55:50,653 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:50" (1/1) ... [2020-11-22 12:55:50,694 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 12:55:50,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 12:55:50,695 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 12:55:50,695 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 12:55:50,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:50" (1/1) ... [2020-11-22 12:55:50,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:50" (1/1) ... [2020-11-22 12:55:50,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:50" (1/1) ... [2020-11-22 12:55:50,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:50" (1/1) ... [2020-11-22 12:55:50,742 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:50" (1/1) ... [2020-11-22 12:55:50,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:50" (1/1) ... [2020-11-22 12:55:50,765 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:50" (1/1) ... [2020-11-22 12:55:50,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 12:55:50,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 12:55:50,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 12:55:50,771 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 12:55:50,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_11ca61e4-2d6d-4ebc-8ee2-6c2245d827d5/bin/utaipan/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 [2020-11-22 12:55:50,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 12:55:50,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 12:55:50,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 12:55:50,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 12:55:53,441 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 12:55:53,445 INFO L298 CfgBuilder]: Removed 108 assume(true) statements. [2020-11-22 12:55:53,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:55:53 BoogieIcfgContainer [2020-11-22 12:55:53,448 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 12:55:53,451 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 12:55:53,452 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 12:55:53,455 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 12:55:53,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:55:49" (1/3) ... [2020-11-22 12:55:53,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2094eda2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:55:53, skipping insertion in model container [2020-11-22 12:55:53,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:55:50" (2/3) ... [2020-11-22 12:55:53,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2094eda2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:55:53, skipping insertion in model container [2020-11-22 12:55:53,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:55:53" (3/3) ... [2020-11-22 12:55:53,462 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product08.cil.c [2020-11-22 12:55:53,475 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 12:55:53,480 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 12:55:53,494 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 12:55:53,529 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 12:55:53,529 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 12:55:53,529 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 12:55:53,529 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 12:55:53,529 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 12:55:53,529 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 12:55:53,529 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 12:55:53,529 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 12:55:53,545 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2020-11-22 12:55:53,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-22 12:55:53,551 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:55:53,551 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:55:53,552 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:55:53,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:55:53,558 INFO L82 PathProgramCache]: Analyzing trace with hash -1646836375, now seen corresponding path program 1 times [2020-11-22 12:55:53,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:55:53,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [161452329] [2020-11-22 12:55:53,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_11ca61e4-2d6d-4ebc-8ee2-6c2245d827d5/bin/utaipan/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 [2020-11-22 12:55:53,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:55:53,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 12:55:53,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:55:53,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:55:53,880 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:55:53,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:55:53,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [161452329] [2020-11-22 12:55:53,888 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:55:53,888 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 12:55:53,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741425377] [2020-11-22 12:55:53,894 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 12:55:53,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:55:53,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 12:55:53,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:55:53,912 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 2 states. [2020-11-22 12:55:53,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:55:53,941 INFO L93 Difference]: Finished difference Result 139 states and 206 transitions. [2020-11-22 12:55:53,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 12:55:53,943 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-22 12:55:53,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:55:53,954 INFO L225 Difference]: With dead ends: 139 [2020-11-22 12:55:53,954 INFO L226 Difference]: Without dead ends: 67 [2020-11-22 12:55:53,958 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:55:53,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-11-22 12:55:54,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2020-11-22 12:55:54,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-11-22 12:55:54,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2020-11-22 12:55:54,016 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2020-11-22 12:55:54,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:55:54,017 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2020-11-22 12:55:54,017 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 12:55:54,018 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2020-11-22 12:55:54,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-22 12:55:54,019 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:55:54,020 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:55:54,237 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 12:55:54,237 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:55:54,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:55:54,238 INFO L82 PathProgramCache]: Analyzing trace with hash 395758373, now seen corresponding path program 1 times [2020-11-22 12:55:54,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:55:54,240 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [178806228] [2020-11-22 12:55:54,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_11ca61e4-2d6d-4ebc-8ee2-6c2245d827d5/bin/utaipan/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 [2020-11-22 12:55:54,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:55:54,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:55:54,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:55:54,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:55:54,519 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:55:54,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:55:54,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [178806228] [2020-11-22 12:55:54,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:55:54,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 12:55:54,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960868539] [2020-11-22 12:55:54,536 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:55:54,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:55:54,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:55:54,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:55:54,537 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand 4 states. [2020-11-22 12:55:54,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:55:54,555 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2020-11-22 12:55:54,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:55:54,559 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-11-22 12:55:54,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:55:54,563 INFO L225 Difference]: With dead ends: 67 [2020-11-22 12:55:54,563 INFO L226 Difference]: Without dead ends: 33 [2020-11-22 12:55:54,564 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:55:54,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-11-22 12:55:54,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-11-22 12:55:54,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-11-22 12:55:54,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-11-22 12:55:54,579 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2020-11-22 12:55:54,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:55:54,581 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-11-22 12:55:54,581 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:55:54,581 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-11-22 12:55:54,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-22 12:55:54,582 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:55:54,583 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] [2020-11-22 12:55:54,805 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 12:55:54,806 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:55:54,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:55:54,807 INFO L82 PathProgramCache]: Analyzing trace with hash -915815930, now seen corresponding path program 1 times [2020-11-22 12:55:54,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:55:54,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [650676749] [2020-11-22 12:55:54,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_11ca61e4-2d6d-4ebc-8ee2-6c2245d827d5/bin/utaipan/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 [2020-11-22 12:55:55,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:55:55,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:55:55,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:55:55,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:55:55,050 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:55:55,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:55:55,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [650676749] [2020-11-22 12:55:55,063 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:55:55,063 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 12:55:55,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366612692] [2020-11-22 12:55:55,063 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:55:55,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:55:55,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:55:55,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:55:55,065 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 4 states. [2020-11-22 12:55:55,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:55:55,120 INFO L93 Difference]: Finished difference Result 110 states and 160 transitions. [2020-11-22 12:55:55,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-22 12:55:55,121 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-11-22 12:55:55,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:55:55,122 INFO L225 Difference]: With dead ends: 110 [2020-11-22 12:55:55,122 INFO L226 Difference]: Without dead ends: 83 [2020-11-22 12:55:55,123 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:55:55,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-11-22 12:55:55,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 52. [2020-11-22 12:55:55,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-11-22 12:55:55,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2020-11-22 12:55:55,135 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 22 [2020-11-22 12:55:55,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:55:55,135 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2020-11-22 12:55:55,135 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:55:55,135 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2020-11-22 12:55:55,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-22 12:55:55,136 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:55:55,137 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] [2020-11-22 12:55:55,359 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 12:55:55,360 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:55:55,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:55:55,360 INFO L82 PathProgramCache]: Analyzing trace with hash 9705803, now seen corresponding path program 1 times [2020-11-22 12:55:55,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:55:55,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1665712880] [2020-11-22 12:55:55,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_11ca61e4-2d6d-4ebc-8ee2-6c2245d827d5/bin/utaipan/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 [2020-11-22 12:55:55,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:55:55,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:55:55,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:55:55,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:55:55,621 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:55:55,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:55:55,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1665712880] [2020-11-22 12:55:55,679 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:55:55,679 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-11-22 12:55:55,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822442745] [2020-11-22 12:55:55,680 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-22 12:55:55,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:55:55,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-22 12:55:55,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-22 12:55:55,682 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand 8 states. [2020-11-22 12:55:56,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:55:56,052 INFO L93 Difference]: Finished difference Result 351 states and 542 transitions. [2020-11-22 12:55:56,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-22 12:55:56,053 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-11-22 12:55:56,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:55:56,057 INFO L225 Difference]: With dead ends: 351 [2020-11-22 12:55:56,057 INFO L226 Difference]: Without dead ends: 305 [2020-11-22 12:55:56,058 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2020-11-22 12:55:56,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2020-11-22 12:55:56,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 130. [2020-11-22 12:55:56,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-11-22 12:55:56,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 187 transitions. [2020-11-22 12:55:56,112 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 187 transitions. Word has length 23 [2020-11-22 12:55:56,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:55:56,113 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 187 transitions. [2020-11-22 12:55:56,113 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-22 12:55:56,113 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 187 transitions. [2020-11-22 12:55:56,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 12:55:56,117 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:55:56,117 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] [2020-11-22 12:55:56,335 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 12:55:56,336 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:55:56,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:55:56,336 INFO L82 PathProgramCache]: Analyzing trace with hash 1423522528, now seen corresponding path program 1 times [2020-11-22 12:55:56,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:55:56,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [251152728] [2020-11-22 12:55:56,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_11ca61e4-2d6d-4ebc-8ee2-6c2245d827d5/bin/utaipan/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 [2020-11-22 12:55:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:55:56,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:55:56,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:55:56,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:55:56,610 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:55:56,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:55:56,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [251152728] [2020-11-22 12:55:56,613 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:55:56,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-22 12:55:56,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008773847] [2020-11-22 12:55:56,614 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 12:55:56,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:55:56,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 12:55:56,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 12:55:56,615 INFO L87 Difference]: Start difference. First operand 130 states and 187 transitions. Second operand 3 states. [2020-11-22 12:55:58,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:55:58,231 INFO L93 Difference]: Finished difference Result 342 states and 498 transitions. [2020-11-22 12:55:58,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:55:58,231 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-22 12:55:58,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:55:58,233 INFO L225 Difference]: With dead ends: 342 [2020-11-22 12:55:58,233 INFO L226 Difference]: Without dead ends: 218 [2020-11-22 12:55:58,234 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 12:55:58,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-11-22 12:55:58,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 216. [2020-11-22 12:55:58,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-11-22 12:55:58,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 306 transitions. [2020-11-22 12:55:58,274 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 306 transitions. Word has length 24 [2020-11-22 12:55:58,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:55:58,275 INFO L481 AbstractCegarLoop]: Abstraction has 216 states and 306 transitions. [2020-11-22 12:55:58,275 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 12:55:58,275 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 306 transitions. [2020-11-22 12:55:58,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-22 12:55:58,276 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:55:58,277 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] [2020-11-22 12:55:58,494 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 12:55:58,494 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:55:58,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:55:58,495 INFO L82 PathProgramCache]: Analyzing trace with hash 68958233, now seen corresponding path program 1 times [2020-11-22 12:55:58,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:55:58,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1452613029] [2020-11-22 12:55:58,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_11ca61e4-2d6d-4ebc-8ee2-6c2245d827d5/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-11-22 12:55:58,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:55:58,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:55:58,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:55:58,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:55:58,718 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:55:58,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:55:58,722 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1452613029] [2020-11-22 12:55:58,722 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:55:58,722 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 12:55:58,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24346353] [2020-11-22 12:55:58,722 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 12:55:58,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:55:58,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 12:55:58,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 12:55:58,723 INFO L87 Difference]: Start difference. First operand 216 states and 306 transitions. Second operand 3 states. [2020-11-22 12:55:58,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:55:58,759 INFO L93 Difference]: Finished difference Result 325 states and 465 transitions. [2020-11-22 12:55:58,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:55:58,759 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-22 12:55:58,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:55:58,760 INFO L225 Difference]: With dead ends: 325 [2020-11-22 12:55:58,760 INFO L226 Difference]: Without dead ends: 115 [2020-11-22 12:55:58,762 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 12:55:58,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-11-22 12:55:58,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2020-11-22 12:55:58,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-11-22 12:55:58,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 153 transitions. [2020-11-22 12:55:58,785 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 153 transitions. Word has length 26 [2020-11-22 12:55:58,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:55:58,786 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 153 transitions. [2020-11-22 12:55:58,786 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 12:55:58,786 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 153 transitions. [2020-11-22 12:55:58,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-22 12:55:58,792 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:55:58,793 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:55:59,007 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-11-22 12:55:59,007 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:55:59,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:55:59,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1958943656, now seen corresponding path program 1 times [2020-11-22 12:55:59,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:55:59,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [576299662] [2020-11-22 12:55:59,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_11ca61e4-2d6d-4ebc-8ee2-6c2245d827d5/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2020-11-22 12:55:59,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:55:59,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-22 12:55:59,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:55:59,349 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:55:59,350 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:55:59,408 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:55:59,409 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [576299662] [2020-11-22 12:55:59,409 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [103821172] [2020-11-22 12:55:59,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_11ca61e4-2d6d-4ebc-8ee2-6c2245d827d5/bin/utaipan/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-22 12:55:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:55:59,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:55:59,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:55:59,710 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-22 12:55:59,710 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:55:59,717 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-22 12:55:59,717 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2020-11-22 12:55:59,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [4, 3] total 10 [2020-11-22 12:55:59,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846939257] [2020-11-22 12:55:59,719 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 12:55:59,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:55:59,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 12:55:59,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-11-22 12:55:59,723 INFO L87 Difference]: Start difference. First operand 115 states and 153 transitions. Second operand 5 states. [2020-11-22 12:55:59,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:55:59,893 INFO L93 Difference]: Finished difference Result 235 states and 321 transitions. [2020-11-22 12:55:59,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 12:55:59,894 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2020-11-22 12:55:59,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:55:59,895 INFO L225 Difference]: With dead ends: 235 [2020-11-22 12:55:59,895 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 12:55:59,896 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-11-22 12:55:59,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 12:55:59,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 12:55:59,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 12:55:59,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 12:55:59,897 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2020-11-22 12:55:59,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:55:59,897 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 12:55:59,898 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 12:55:59,898 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 12:55:59,898 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 12:56:00,299 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk,8 mathsat -unsat_core_generation=3 [2020-11-22 12:56:00,300 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 12:56:00,841 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:56:00,841 INFO L270 CegarLoopResult]: At program point L746(lines 739 749) the Hoare annotation is: false [2020-11-22 12:56:00,841 INFO L270 CegarLoopResult]: At program point L746-1(lines 739 749) the Hoare annotation is: false [2020-11-22 12:56:00,841 INFO L270 CegarLoopResult]: At program point L746-2(lines 739 749) the Hoare annotation is: false [2020-11-22 12:56:00,841 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 12:56:00,842 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 12:56:00,842 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 12:56:00,842 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 12:56:00,842 INFO L274 CegarLoopResult]: For program point L251(lines 251 258) no Hoare annotation was computed. [2020-11-22 12:56:00,842 INFO L277 CegarLoopResult]: At program point L251-1(lines 251 258) the Hoare annotation is: true [2020-11-22 12:56:00,842 INFO L270 CegarLoopResult]: At program point L879(lines 828 880) the Hoare annotation is: false [2020-11-22 12:56:00,842 INFO L274 CegarLoopResult]: For program point L830(lines 829 878) no Hoare annotation was computed. [2020-11-22 12:56:00,842 INFO L270 CegarLoopResult]: At program point L153(lines 1 895) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:56:00,843 INFO L274 CegarLoopResult]: For program point L54(lines 54 58) no Hoare annotation was computed. [2020-11-22 12:56:00,843 INFO L274 CegarLoopResult]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2020-11-22 12:56:00,843 INFO L274 CegarLoopResult]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2020-11-22 12:56:00,843 INFO L274 CegarLoopResult]: For program point L831(lines 831 835) no Hoare annotation was computed. [2020-11-22 12:56:00,843 INFO L274 CegarLoopResult]: For program point L799(lines 799 805) no Hoare annotation was computed. [2020-11-22 12:56:00,843 INFO L270 CegarLoopResult]: At program point L799-1(lines 799 805) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:56:00,843 INFO L274 CegarLoopResult]: For program point L849(lines 849 855) no Hoare annotation was computed. [2020-11-22 12:56:00,843 INFO L270 CegarLoopResult]: At program point L849-1(lines 849 855) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:56:00,844 INFO L270 CegarLoopResult]: At program point L123(lines 118 126) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:56:00,844 INFO L270 CegarLoopResult]: At program point L123-1(lines 118 126) the Hoare annotation is: false [2020-11-22 12:56:00,848 INFO L270 CegarLoopResult]: At program point L123-2(lines 118 126) the Hoare annotation is: false [2020-11-22 12:56:00,848 INFO L274 CegarLoopResult]: For program point L867(lines 867 873) no Hoare annotation was computed. [2020-11-22 12:56:00,849 INFO L270 CegarLoopResult]: At program point L867-1(lines 670 676) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:56:00,851 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 12:56:00,851 INFO L274 CegarLoopResult]: For program point L702(lines 702 719) no Hoare annotation was computed. [2020-11-22 12:56:00,852 INFO L274 CegarLoopResult]: For program point L702-1(lines 702 719) no Hoare annotation was computed. [2020-11-22 12:56:00,852 INFO L274 CegarLoopResult]: For program point L702-2(lines 702 719) no Hoare annotation was computed. [2020-11-22 12:56:00,852 INFO L270 CegarLoopResult]: At program point L91(lines 86 94) the Hoare annotation is: false [2020-11-22 12:56:00,852 INFO L270 CegarLoopResult]: At program point L91-1(lines 86 94) the Hoare annotation is: false [2020-11-22 12:56:00,852 INFO L270 CegarLoopResult]: At program point L91-2(lines 86 94) the Hoare annotation is: false [2020-11-22 12:56:00,853 INFO L270 CegarLoopResult]: At program point L670(lines 669 688) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:56:00,853 INFO L274 CegarLoopResult]: For program point L670-1(lines 670 676) no Hoare annotation was computed. [2020-11-22 12:56:00,853 INFO L270 CegarLoopResult]: At program point L670-2(lines 669 688) the Hoare annotation is: false [2020-11-22 12:56:00,853 INFO L270 CegarLoopResult]: At program point L670-3(lines 669 688) the Hoare annotation is: false [2020-11-22 12:56:00,853 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:56:00,854 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 12:56:00,854 INFO L270 CegarLoopResult]: At program point L755(lines 750 758) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:56:00,854 INFO L270 CegarLoopResult]: At program point L755-1(lines 750 758) the Hoare annotation is: false [2020-11-22 12:56:00,854 INFO L270 CegarLoopResult]: At program point L755-2(lines 750 758) the Hoare annotation is: false [2020-11-22 12:56:00,854 INFO L274 CegarLoopResult]: For program point L78(lines 78 82) no Hoare annotation was computed. [2020-11-22 12:56:00,855 INFO L277 CegarLoopResult]: At program point L260(lines 241 263) the Hoare annotation is: true [2020-11-22 12:56:00,855 INFO L270 CegarLoopResult]: At program point L227(lines 223 229) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:56:00,855 INFO L274 CegarLoopResult]: For program point L706(lines 706 714) no Hoare annotation was computed. [2020-11-22 12:56:00,855 INFO L270 CegarLoopResult]: At program point L161(lines 156 164) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:56:00,855 INFO L274 CegarLoopResult]: For program point L706-1(lines 706 714) no Hoare annotation was computed. [2020-11-22 12:56:00,856 INFO L274 CegarLoopResult]: For program point L706-2(lines 706 714) no Hoare annotation was computed. [2020-11-22 12:56:00,856 INFO L270 CegarLoopResult]: At program point L178-2(lines 178 192) the Hoare annotation is: false [2020-11-22 12:56:00,860 INFO L274 CegarLoopResult]: For program point L839(lines 839 845) no Hoare annotation was computed. [2020-11-22 12:56:00,860 INFO L270 CegarLoopResult]: At program point L839-1(lines 839 845) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:56:00,861 INFO L274 CegarLoopResult]: For program point L641(lines 641 654) no Hoare annotation was computed. [2020-11-22 12:56:00,861 INFO L270 CegarLoopResult]: At program point L641-1(lines 1 895) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:56:00,861 INFO L274 CegarLoopResult]: For program point L641-2(lines 641 654) no Hoare annotation was computed. [2020-11-22 12:56:00,861 INFO L270 CegarLoopResult]: At program point L641-3(lines 1 895) the Hoare annotation is: false [2020-11-22 12:56:00,861 INFO L274 CegarLoopResult]: For program point L641-4(lines 641 654) no Hoare annotation was computed. [2020-11-22 12:56:00,862 INFO L270 CegarLoopResult]: At program point L641-5(lines 1 895) the Hoare annotation is: false [2020-11-22 12:56:00,862 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-22 12:56:00,862 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 12:56:00,862 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:56:00,862 INFO L270 CegarLoopResult]: At program point L677(lines 677 683) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:56:00,863 INFO L270 CegarLoopResult]: At program point L677-1(lines 677 683) the Hoare annotation is: false [2020-11-22 12:56:00,863 INFO L270 CegarLoopResult]: At program point L677-2(lines 677 683) the Hoare annotation is: false [2020-11-22 12:56:00,863 INFO L274 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2020-11-22 12:56:00,863 INFO L274 CegarLoopResult]: For program point L892(line 892) no Hoare annotation was computed. [2020-11-22 12:56:00,863 INFO L274 CegarLoopResult]: For program point L859(lines 859 874) no Hoare annotation was computed. [2020-11-22 12:56:00,864 INFO L274 CegarLoopResult]: For program point L892-1(line 892) no Hoare annotation was computed. [2020-11-22 12:56:00,864 INFO L274 CegarLoopResult]: For program point L892-2(line 892) no Hoare annotation was computed. [2020-11-22 12:56:00,864 INFO L274 CegarLoopResult]: For program point L182(lines 182 186) no Hoare annotation was computed. [2020-11-22 12:56:00,864 INFO L274 CegarLoopResult]: For program point L182-1(lines 670 676) no Hoare annotation was computed. [2020-11-22 12:56:00,865 INFO L274 CegarLoopResult]: For program point L645(lines 645 651) no Hoare annotation was computed. [2020-11-22 12:56:00,866 INFO L274 CegarLoopResult]: For program point L645-2(lines 645 651) no Hoare annotation was computed. [2020-11-22 12:56:00,866 INFO L274 CegarLoopResult]: For program point L645-4(lines 645 651) no Hoare annotation was computed. [2020-11-22 12:56:00,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:56:00 BoogieIcfgContainer [2020-11-22 12:56:00,902 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 12:56:00,902 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 12:56:00,902 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 12:56:00,903 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 12:56:00,903 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:55:53" (3/4) ... [2020-11-22 12:56:00,906 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 12:56:00,932 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 12:56:00,933 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 12:56:00,934 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 12:56:00,934 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 12:56:00,935 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 12:56:00,936 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:56:00,937 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:56:00,975 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2020-11-22 12:56:01,048 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_11ca61e4-2d6d-4ebc-8ee2-6c2245d827d5/bin/utaipan/witness.graphml [2020-11-22 12:56:01,049 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 12:56:01,051 INFO L168 Benchmark]: Toolchain (without parser) took 11286.98 ms. Allocated memory was 48.2 MB in the beginning and 77.6 MB in the end (delta: 29.4 MB). Free memory was 22.6 MB in the beginning and 43.1 MB in the end (delta: -20.5 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:01,051 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 48.2 MB. Free memory is still 29.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:56:01,052 INFO L168 Benchmark]: CACSL2BoogieTranslator took 849.99 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 22.4 MB in the beginning and 41.9 MB in the end (delta: -19.5 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:01,053 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.12 ms. Allocated memory is still 60.8 MB. Free memory was 41.9 MB in the beginning and 39.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:01,053 INFO L168 Benchmark]: Boogie Preprocessor took 74.59 ms. Allocated memory is still 60.8 MB. Free memory was 39.1 MB in the beginning and 36.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:01,054 INFO L168 Benchmark]: RCFGBuilder took 2678.11 ms. Allocated memory was 60.8 MB in the beginning and 77.6 MB in the end (delta: 16.8 MB). Free memory was 36.8 MB in the beginning and 47.1 MB in the end (delta: -10.3 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:01,054 INFO L168 Benchmark]: TraceAbstraction took 7450.33 ms. Allocated memory is still 77.6 MB. Free memory was 46.6 MB in the beginning and 49.4 MB in the end (delta: -2.8 MB). Peak memory consumption was 25.3 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:01,055 INFO L168 Benchmark]: Witness Printer took 146.39 ms. Allocated memory is still 77.6 MB. Free memory was 49.4 MB in the beginning and 43.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:01,058 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 48.2 MB. Free memory is still 29.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 849.99 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 22.4 MB in the beginning and 41.9 MB in the end (delta: -19.5 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 75.12 ms. Allocated memory is still 60.8 MB. Free memory was 41.9 MB in the beginning and 39.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 74.59 ms. Allocated memory is still 60.8 MB. Free memory was 39.1 MB in the beginning and 36.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2678.11 ms. Allocated memory was 60.8 MB in the beginning and 77.6 MB in the end (delta: 16.8 MB). Free memory was 36.8 MB in the beginning and 47.1 MB in the end (delta: -10.3 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7450.33 ms. Allocated memory is still 77.6 MB. Free memory was 46.6 MB in the beginning and 49.4 MB in the end (delta: -2.8 MB). Peak memory consumption was 25.3 MB. Max. memory is 16.1 GB. * Witness Printer took 146.39 ms. Allocated memory is still 77.6 MB. Free memory was 49.4 MB in the beginning and 43.1 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: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 670]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 74 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.7s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 407 SDtfs, 665 SDslu, 547 SDs, 0 SdLazy, 111 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 408 GetRequests, 378 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=216occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 208 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 135 NumberOfFragments, 128 HoareAnnotationTreeSize, 32 FomulaSimplifications, 6254 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 396 ConstructedInterpolants, 1 QuantifiedInterpolants, 24474 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1615 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 50/60 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...