./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_flag_init.i --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_5e18b645-900d-4b57-b06e-a39a30af01b6/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_flag_init.i -s /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/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 452bca413427171f12d7ad8836a46968f2acfe1a ............................................................................................................................................ 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_5e18b645-900d-4b57-b06e-a39a30af01b6/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_flag_init.i -s /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/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 452bca413427171f12d7ad8836a46968f2acfe1a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:47:26,918 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:47:26,922 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:47:26,996 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:47:26,997 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:47:26,999 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:47:27,001 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:47:27,004 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:47:27,007 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:47:27,009 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:47:27,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:47:27,012 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:47:27,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:47:27,015 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:47:27,016 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:47:27,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:47:27,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:47:27,021 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:47:27,024 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:47:27,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:47:27,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:47:27,033 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:47:27,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:47:27,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:47:27,043 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:47:27,054 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:47:27,054 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:47:27,056 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:47:27,057 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:47:27,058 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:47:27,064 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:47:27,065 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:47:27,067 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:47:27,068 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:47:27,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:47:27,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:47:27,074 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:47:27,075 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:47:27,075 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:47:27,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:47:27,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:47:27,079 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-30 01:47:27,134 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:47:27,137 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:47:27,139 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:47:27,139 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 01:47:27,139 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 01:47:27,140 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 01:47:27,140 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-30 01:47:27,140 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 01:47:27,140 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 01:47:27,141 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-30 01:47:27,142 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-30 01:47:27,143 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 01:47:27,143 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-30 01:47:27,143 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-30 01:47:27,144 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-30 01:47:27,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:47:27,145 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:47:27,145 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:47:27,145 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:47:27,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:47:27,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:47:27,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:47:27,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:47:27,147 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 01:47:27,147 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:47:27,147 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:47:27,148 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:47:27,148 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:47:27,148 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:47:27,149 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:47:27,149 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:47:27,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:47:27,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:47:27,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:47:27,150 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:47:27,150 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-30 01:47:27,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:47:27,151 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:47:27,151 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:47:27,151 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 01:47:27,152 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_5e18b645-900d-4b57-b06e-a39a30af01b6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 452bca413427171f12d7ad8836a46968f2acfe1a [2020-11-30 01:47:27,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:47:27,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:47:27,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:47:27,517 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:47:27,520 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:47:27,521 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/bin/utaipan/../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_flag_init.i [2020-11-30 01:47:27,614 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/bin/utaipan/data/1250c02e0/5564a7663fe04fc79414c53143e75785/FLAG0d23287af [2020-11-30 01:47:28,122 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:47:28,123 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_flag_init.i [2020-11-30 01:47:28,129 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/bin/utaipan/data/1250c02e0/5564a7663fe04fc79414c53143e75785/FLAG0d23287af [2020-11-30 01:47:28,497 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/bin/utaipan/data/1250c02e0/5564a7663fe04fc79414c53143e75785 [2020-11-30 01:47:28,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:47:28,501 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:47:28,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:47:28,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:47:28,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:47:28,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:47:28" (1/1) ... [2020-11-30 01:47:28,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f8c7b06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:47:28, skipping insertion in model container [2020-11-30 01:47:28,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:47:28" (1/1) ... [2020-11-30 01:47:28,517 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:47:28,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:47:28,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:47:28,781 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) [2020-11-30 01:47:28,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@16c8a5e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:47:28, skipping insertion in model container [2020-11-30 01:47:28,784 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:47:28,785 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-30 01:47:28,788 INFO L168 Benchmark]: Toolchain (without parser) took 284.85 ms. Allocated memory is still 107.0 MB. Free memory was 75.0 MB in the beginning and 85.6 MB in the end (delta: -10.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:47:28,790 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 79.7 MB. Free memory was 36.7 MB in the beginning and 36.7 MB in the end (delta: 37.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:47:28,793 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.92 ms. Allocated memory is still 107.0 MB. Free memory was 74.7 MB in the beginning and 85.6 MB in the end (delta: -10.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:47:28,797 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 79.7 MB. Free memory was 36.7 MB in the beginning and 36.7 MB in the end (delta: 37.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 281.92 ms. Allocated memory is still 107.0 MB. Free memory was 74.7 MB in the beginning and 85.6 MB in the end (delta: -10.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 25]: 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 [2020-11-30 01:47:31,170 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:47:31,172 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:47:31,216 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:47:31,217 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:47:31,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:47:31,231 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:47:31,235 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:47:31,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:47:31,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:47:31,249 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:47:31,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:47:31,261 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:47:31,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:47:31,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:47:31,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:47:31,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:47:31,274 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:47:31,276 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:47:31,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:47:31,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:47:31,289 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:47:31,294 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:47:31,296 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:47:31,300 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:47:31,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:47:31,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:47:31,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:47:31,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:47:31,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:47:31,307 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:47:31,308 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:47:31,310 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:47:31,310 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:47:31,311 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:47:31,312 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:47:31,313 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:47:31,313 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:47:31,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:47:31,315 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:47:31,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:47:31,317 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-30 01:47:31,363 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:47:31,364 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:47:31,366 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:47:31,366 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 01:47:31,366 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 01:47:31,366 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 01:47:31,367 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 01:47:31,367 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 01:47:31,367 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 01:47:31,369 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:47:31,370 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:47:31,370 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:47:31,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:47:31,370 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:47:31,371 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:47:31,371 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:47:31,371 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 01:47:31,371 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 01:47:31,372 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 01:47:31,372 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:47:31,372 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:47:31,372 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:47:31,372 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:47:31,373 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:47:31,373 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:47:31,373 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:47:31,373 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:47:31,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:47:31,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:47:31,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:47:31,374 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:47:31,375 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-30 01:47:31,375 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 01:47:31,375 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:47:31,375 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:47:31,376 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 01:47:31,376 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_5e18b645-900d-4b57-b06e-a39a30af01b6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 452bca413427171f12d7ad8836a46968f2acfe1a [2020-11-30 01:47:31,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:47:31,898 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:47:31,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:47:31,905 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:47:31,905 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:47:31,907 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/bin/utaipan/../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_flag_init.i [2020-11-30 01:47:32,012 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/bin/utaipan/data/f332d3209/d04a02e36b9d457593f7a1fc06e68afc/FLAG81ed62dd6 [2020-11-30 01:47:32,587 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:47:32,588 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_flag_init.i [2020-11-30 01:47:32,595 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/bin/utaipan/data/f332d3209/d04a02e36b9d457593f7a1fc06e68afc/FLAG81ed62dd6 [2020-11-30 01:47:32,937 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/bin/utaipan/data/f332d3209/d04a02e36b9d457593f7a1fc06e68afc [2020-11-30 01:47:32,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:47:32,941 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:47:32,943 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:47:32,943 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:47:32,946 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:47:32,947 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:47:32" (1/1) ... [2020-11-30 01:47:32,949 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49dd563a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:47:32, skipping insertion in model container [2020-11-30 01:47:32,949 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:47:32" (1/1) ... [2020-11-30 01:47:32,958 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:47:32,974 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:47:33,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:47:33,173 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-30 01:47:33,176 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:47:33,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:47:33,197 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:47:33,228 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:47:33,244 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:47:33,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:47:33 WrapperNode [2020-11-30 01:47:33,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:47:33,245 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:47:33,246 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:47:33,246 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:47:33,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:47:33" (1/1) ... [2020-11-30 01:47:33,284 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:47:33" (1/1) ... [2020-11-30 01:47:33,328 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:47:33,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:47:33,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:47:33,330 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:47:33,338 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:47:33" (1/1) ... [2020-11-30 01:47:33,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:47:33" (1/1) ... [2020-11-30 01:47:33,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:47:33" (1/1) ... [2020-11-30 01:47:33,348 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:47:33" (1/1) ... [2020-11-30 01:47:33,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:47:33" (1/1) ... [2020-11-30 01:47:33,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:47:33" (1/1) ... [2020-11-30 01:47:33,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:47:33" (1/1) ... [2020-11-30 01:47:33,373 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:47:33,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:47:33,374 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:47:33,375 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:47:33,375 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:47:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/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 [2020-11-30 01:47:33,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-30 01:47:33,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 01:47:33,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-30 01:47:33,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:47:33,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-30 01:47:33,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:47:33,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:47:33,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:47:33,939 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:47:33,941 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-11-30 01:47:33,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:47:33 BoogieIcfgContainer [2020-11-30 01:47:33,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:47:33,947 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:47:33,947 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:47:33,950 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:47:33,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:47:32" (1/3) ... [2020-11-30 01:47:33,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f656ec5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:47:33, skipping insertion in model container [2020-11-30 01:47:33,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:47:33" (2/3) ... [2020-11-30 01:47:33,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f656ec5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:47:33, skipping insertion in model container [2020-11-30 01:47:33,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:47:33" (3/3) ... [2020-11-30 01:47:33,953 INFO L111 eAbstractionObserver]: Analyzing ICFG array_of_struct_ptr_flag_init.i [2020-11-30 01:47:33,964 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:47:33,969 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 01:47:33,981 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 01:47:34,019 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:47:34,019 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:47:34,019 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:47:34,020 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:47:34,020 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:47:34,020 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:47:34,020 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:47:34,020 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:47:34,040 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2020-11-30 01:47:34,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 01:47:34,047 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:47:34,047 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:47:34,048 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:47:34,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:47:34,055 INFO L82 PathProgramCache]: Analyzing trace with hash -362844109, now seen corresponding path program 1 times [2020-11-30 01:47:34,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 01:47:34,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [508905545] [2020-11-30 01:47:34,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/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 [2020-11-30 01:47:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:47:34,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-30 01:47:34,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:47:34,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:47:34,197 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:47:34,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:47:34,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [508905545] [2020-11-30 01:47:34,203 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:47:34,210 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-30 01:47:34,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861341544] [2020-11-30 01:47:34,215 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 01:47:34,216 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 01:47:34,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 01:47:34,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 01:47:34,232 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 2 states. [2020-11-30 01:47:34,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:47:34,258 INFO L93 Difference]: Finished difference Result 41 states and 57 transitions. [2020-11-30 01:47:34,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 01:47:34,259 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-11-30 01:47:34,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:47:34,277 INFO L225 Difference]: With dead ends: 41 [2020-11-30 01:47:34,278 INFO L226 Difference]: Without dead ends: 18 [2020-11-30 01:47:34,281 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 01:47:34,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-11-30 01:47:34,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-11-30 01:47:34,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-11-30 01:47:34,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2020-11-30 01:47:34,324 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 12 [2020-11-30 01:47:34,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:47:34,324 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2020-11-30 01:47:34,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 01:47:34,325 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2020-11-30 01:47:34,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 01:47:34,326 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:47:34,326 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:47:34,539 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 01:47:34,542 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:47:34,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:47:34,543 INFO L82 PathProgramCache]: Analyzing trace with hash 1941078686, now seen corresponding path program 1 times [2020-11-30 01:47:34,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 01:47:34,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1715278318] [2020-11-30 01:47:34,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/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 [2020-11-30 01:47:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:47:34,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 01:47:34,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:47:34,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:47:34,662 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:47:34,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:47:34,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1715278318] [2020-11-30 01:47:34,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:47:34,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-30 01:47:34,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360257942] [2020-11-30 01:47:34,692 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 01:47:34,692 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 01:47:34,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:47:34,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:47:34,694 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand 4 states. [2020-11-30 01:47:34,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:47:34,789 INFO L93 Difference]: Finished difference Result 35 states and 44 transitions. [2020-11-30 01:47:34,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 01:47:34,791 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-11-30 01:47:34,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:47:34,792 INFO L225 Difference]: With dead ends: 35 [2020-11-30 01:47:34,792 INFO L226 Difference]: Without dead ends: 21 [2020-11-30 01:47:34,793 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:47:34,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-11-30 01:47:34,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-11-30 01:47:34,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-11-30 01:47:34,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2020-11-30 01:47:34,799 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 12 [2020-11-30 01:47:34,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:47:34,803 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2020-11-30 01:47:34,803 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 01:47:34,803 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2020-11-30 01:47:34,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 01:47:34,805 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:47:34,805 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:47:35,028 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-30 01:47:35,028 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:47:35,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:47:35,029 INFO L82 PathProgramCache]: Analyzing trace with hash -1472344542, now seen corresponding path program 1 times [2020-11-30 01:47:35,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 01:47:35,033 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1515141226] [2020-11-30 01:47:35,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/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 [2020-11-30 01:47:35,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:47:35,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-30 01:47:35,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:47:35,199 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:47:35,199 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:47:35,289 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:47:35,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1515141226] [2020-11-30 01:47:35,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [575500800] [2020-11-30 01:47:35,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/bin/utaipan/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-30 01:47:35,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:47:35,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-30 01:47:35,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:47:35,473 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:47:35,473 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:47:35,485 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:47:35,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1062875504] [2020-11-30 01:47:35,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/bin/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:47:35,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:47:35,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:47:35,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:47:35,568 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 01:47:35,569 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:47:35,590 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 01:47:35,590 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 4 imperfect interpolant sequences. [2020-11-30 01:47:35,590 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5, 5, 5] total 10 [2020-11-30 01:47:35,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118600595] [2020-11-30 01:47:35,591 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 01:47:35,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 01:47:35,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:47:35,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-11-30 01:47:35,592 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 4 states. [2020-11-30 01:47:35,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:47:35,650 INFO L93 Difference]: Finished difference Result 45 states and 54 transitions. [2020-11-30 01:47:35,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 01:47:35,651 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-11-30 01:47:35,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:47:35,652 INFO L225 Difference]: With dead ends: 45 [2020-11-30 01:47:35,652 INFO L226 Difference]: Without dead ends: 35 [2020-11-30 01:47:35,653 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 81 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-11-30 01:47:35,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-11-30 01:47:35,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 25. [2020-11-30 01:47:35,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-11-30 01:47:35,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions. [2020-11-30 01:47:35,658 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 30 transitions. Word has length 16 [2020-11-30 01:47:35,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:47:35,658 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 30 transitions. [2020-11-30 01:47:35,658 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 01:47:35,659 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2020-11-30 01:47:35,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-30 01:47:35,659 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:47:35,660 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:47:36,268 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3,5 cvc4 --incremental --print-success --lang smt --rewrite-divk,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:47:36,269 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:47:36,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:47:36,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1727158942, now seen corresponding path program 1 times [2020-11-30 01:47:36,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 01:47:36,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [122066969] [2020-11-30 01:47:36,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/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 [2020-11-30 01:47:36,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:47:36,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-30 01:47:36,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:47:36,384 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-30 01:47:36,384 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:47:36,467 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-30 01:47:36,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [122066969] [2020-11-30 01:47:36,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [739458284] [2020-11-30 01:47:36,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/bin/utaipan/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-30 01:47:36,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:47:36,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:47:36,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:47:36,577 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-30 01:47:36,577 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:47:36,597 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-30 01:47:36,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2020-11-30 01:47:36,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5] total 10 [2020-11-30 01:47:36,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750613623] [2020-11-30 01:47:36,599 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 01:47:36,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 01:47:36,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:47:36,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-11-30 01:47:36,600 INFO L87 Difference]: Start difference. First operand 25 states and 30 transitions. Second operand 4 states. [2020-11-30 01:47:36,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:47:36,625 INFO L93 Difference]: Finished difference Result 46 states and 56 transitions. [2020-11-30 01:47:36,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 01:47:36,626 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-11-30 01:47:36,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:47:36,627 INFO L225 Difference]: With dead ends: 46 [2020-11-30 01:47:36,627 INFO L226 Difference]: Without dead ends: 25 [2020-11-30 01:47:36,628 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-11-30 01:47:36,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-11-30 01:47:36,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-11-30 01:47:36,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-11-30 01:47:36,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2020-11-30 01:47:36,632 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 22 [2020-11-30 01:47:36,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:47:36,633 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2020-11-30 01:47:36,633 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 01:47:36,633 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2020-11-30 01:47:36,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-30 01:47:36,634 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:47:36,634 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:47:37,035 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3,8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-30 01:47:37,035 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:47:37,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:47:37,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1587975330, now seen corresponding path program 1 times [2020-11-30 01:47:37,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 01:47:37,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1980728349] [2020-11-30 01:47:37,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/bin/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2020-11-30 01:47:37,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:47:37,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-30 01:47:37,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:47:37,141 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-30 01:47:37,141 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:47:37,249 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-30 01:47:37,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1980728349] [2020-11-30 01:47:37,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [967992376] [2020-11-30 01:47:37,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/bin/utaipan/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-30 01:47:37,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:47:37,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-30 01:47:37,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:47:37,382 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-30 01:47:37,382 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:47:37,394 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-30 01:47:37,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378325236] [2020-11-30 01:47:37,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/bin/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:47:37,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:47:37,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 13 conjunts are in the unsatisfiable core [2020-11-30 01:47:37,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:47:37,672 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:47:37,677 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:47:37,724 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-30 01:47:37,724 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:47:37,923 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-30 01:47:37,980 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:47:37,980 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 20 [2020-11-30 01:47:37,986 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-30 01:47:37,990 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:47:38,000 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-11-30 01:47:38,001 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-30 01:47:38,012 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:47:38,019 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2020-11-30 01:47:38,021 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-11-30 01:47:38,041 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:47:38,042 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-30 01:47:38,042 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:65, output treesize:7 [2020-11-30 01:47:38,095 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-30 01:47:38,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2020-11-30 01:47:38,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 8, 7] total 19 [2020-11-30 01:47:38,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301071981] [2020-11-30 01:47:38,096 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-30 01:47:38,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 01:47:38,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-30 01:47:38,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2020-11-30 01:47:38,097 INFO L87 Difference]: Start difference. First operand 25 states and 27 transitions. Second operand 19 states. [2020-11-30 01:47:38,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:47:38,927 INFO L93 Difference]: Finished difference Result 58 states and 66 transitions. [2020-11-30 01:47:38,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-30 01:47:38,928 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 22 [2020-11-30 01:47:38,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:47:38,929 INFO L225 Difference]: With dead ends: 58 [2020-11-30 01:47:38,929 INFO L226 Difference]: Without dead ends: 40 [2020-11-30 01:47:38,931 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=145, Invalid=667, Unknown=0, NotChecked=0, Total=812 [2020-11-30 01:47:38,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-11-30 01:47:38,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 36. [2020-11-30 01:47:38,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-11-30 01:47:38,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2020-11-30 01:47:38,939 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 22 [2020-11-30 01:47:38,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:47:38,940 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2020-11-30 01:47:38,940 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-30 01:47:38,940 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2020-11-30 01:47:38,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-30 01:47:38,941 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:47:38,941 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:47:39,564 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3,10 cvc4 --incremental --print-success --lang smt --rewrite-divk,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:47:39,565 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:47:39,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:47:39,566 INFO L82 PathProgramCache]: Analyzing trace with hash 139933985, now seen corresponding path program 1 times [2020-11-30 01:47:39,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 01:47:39,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [724084742] [2020-11-30 01:47:39,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/bin/utaipan/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2020-11-30 01:47:39,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:47:39,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 10 conjunts are in the unsatisfiable core [2020-11-30 01:47:39,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:47:39,863 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 01:47:39,863 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:47:40,319 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 01:47:40,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [724084742] [2020-11-30 01:47:40,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1627123649] [2020-11-30 01:47:40,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/bin/utaipan/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-30 01:47:40,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:47:40,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 10 conjunts are in the unsatisfiable core [2020-11-30 01:47:40,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:47:40,534 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 01:47:40,534 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:47:40,566 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 01:47:40,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2053150574] [2020-11-30 01:47:40,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/bin/utaipan/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:47:40,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:47:40,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 17 conjunts are in the unsatisfiable core [2020-11-30 01:47:40,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:47:41,215 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:47:41,217 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:47:41,257 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-30 01:47:41,257 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:47:41,679 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-30 01:47:41,721 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2020-11-30 01:47:41,722 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:47:41,755 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:47:41,756 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 22 [2020-11-30 01:47:41,758 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-30 01:47:41,759 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-30 01:47:47,945 WARN L193 SmtUtils]: Spent 6.18 s on a formula simplification that was a NOOP. DAG size: 19 [2020-11-30 01:47:47,945 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:47:47,990 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:47:47,991 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 22 [2020-11-30 01:47:47,993 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-30 01:47:47,994 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-11-30 01:47:48,039 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-11-30 01:47:48,040 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-11-30 01:47:48,067 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:47:48,067 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-30 01:47:48,067 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:69, output treesize:9 [2020-11-30 01:47:48,169 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-30 01:47:48,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2020-11-30 01:47:48,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9, 9, 11, 10] total 33 [2020-11-30 01:47:48,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575854152] [2020-11-30 01:47:48,171 INFO L461 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-11-30 01:47:48,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 01:47:48,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-11-30 01:47:48,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=908, Unknown=0, NotChecked=0, Total=1056 [2020-11-30 01:47:48,172 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand 33 states. [2020-11-30 01:47:49,240 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-11-30 01:47:50,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:47:50,932 INFO L93 Difference]: Finished difference Result 84 states and 96 transitions. [2020-11-30 01:47:50,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-11-30 01:47:50,933 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 35 [2020-11-30 01:47:50,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:47:50,934 INFO L225 Difference]: With dead ends: 84 [2020-11-30 01:47:50,934 INFO L226 Difference]: Without dead ends: 63 [2020-11-30 01:47:50,936 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 170 SyntacticMatches, 3 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 506 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=407, Invalid=2349, Unknown=0, NotChecked=0, Total=2756 [2020-11-30 01:47:50,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-11-30 01:47:50,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 57. [2020-11-30 01:47:50,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-11-30 01:47:50,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 59 transitions. [2020-11-30 01:47:50,948 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 59 transitions. Word has length 35 [2020-11-30 01:47:50,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:47:50,949 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 59 transitions. [2020-11-30 01:47:50,949 INFO L482 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-11-30 01:47:50,949 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2020-11-30 01:47:50,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-30 01:47:50,951 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:47:50,952 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:47:51,572 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 cvc4 --incremental --print-success --lang smt --rewrite-divk,12 mathsat -unsat_core_generation=3 [2020-11-30 01:47:51,572 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:47:51,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:47:51,573 INFO L82 PathProgramCache]: Analyzing trace with hash -162292710, now seen corresponding path program 2 times [2020-11-30 01:47:51,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 01:47:51,574 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [785836306] [2020-11-30 01:47:51,574 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/bin/utaipan/mathsat Starting monitored process 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2020-11-30 01:47:51,730 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-30 01:47:51,730 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-30 01:47:51,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 18 conjunts are in the unsatisfiable core [2020-11-30 01:47:51,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:47:52,242 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-30 01:47:52,243 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:47:53,682 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-30 01:47:53,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [785836306] [2020-11-30 01:47:53,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2130474538] [2020-11-30 01:47:53,683 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/bin/utaipan/cvc4 Starting monitored process 16 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-30 01:47:54,004 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-30 01:47:54,004 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-30 01:47:54,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 18 conjunts are in the unsatisfiable core [2020-11-30 01:47:54,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:47:54,300 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-30 01:47:54,301 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:47:54,325 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-30 01:47:54,326 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640177572] [2020-11-30 01:47:54,326 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/bin/utaipan/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:47:54,468 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-30 01:47:54,468 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-30 01:47:54,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 01:47:54,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:47:54,629 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2020-11-30 01:47:54,629 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:47:54,934 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2020-11-30 01:47:54,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2020-11-30 01:47:54,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 17, 17, 17, 5, 6] total 42 [2020-11-30 01:47:54,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141779259] [2020-11-30 01:47:54,936 INFO L461 AbstractCegarLoop]: Interpolant automaton has 42 states [2020-11-30 01:47:54,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 01:47:54,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2020-11-30 01:47:54,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=371, Invalid=1351, Unknown=0, NotChecked=0, Total=1722 [2020-11-30 01:47:54,938 INFO L87 Difference]: Start difference. First operand 57 states and 59 transitions. Second operand 42 states. [2020-11-30 01:47:56,700 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2020-11-30 01:47:57,450 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2020-11-30 01:47:57,938 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-11-30 01:47:58,433 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-11-30 01:47:59,004 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2020-11-30 01:47:59,435 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2020-11-30 01:47:59,881 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-11-30 01:48:00,185 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-11-30 01:48:00,476 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2020-11-30 01:48:02,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:48:02,467 INFO L93 Difference]: Finished difference Result 157 states and 180 transitions. [2020-11-30 01:48:02,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-11-30 01:48:02,468 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 56 [2020-11-30 01:48:02,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:48:02,470 INFO L225 Difference]: With dead ends: 157 [2020-11-30 01:48:02,470 INFO L226 Difference]: Without dead ends: 131 [2020-11-30 01:48:02,472 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 280 SyntacticMatches, 13 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 4 DeprecatedPredicates, 881 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=879, Invalid=2427, Unknown=0, NotChecked=0, Total=3306 [2020-11-30 01:48:02,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-11-30 01:48:02,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 101. [2020-11-30 01:48:02,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-11-30 01:48:02,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 103 transitions. [2020-11-30 01:48:02,512 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 103 transitions. Word has length 56 [2020-11-30 01:48:02,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:48:02,515 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 103 transitions. [2020-11-30 01:48:02,515 INFO L482 AbstractCegarLoop]: Interpolant automaton has 42 states. [2020-11-30 01:48:02,515 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 103 transitions. [2020-11-30 01:48:02,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-11-30 01:48:02,525 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:48:02,525 INFO L422 BasicCegarLoop]: trace histogram [30, 30, 6, 6, 6, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:48:03,172 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 mathsat -unsat_core_generation=3,16 cvc4 --incremental --print-success --lang smt --rewrite-divk,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:48:03,172 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:48:03,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:48:03,173 INFO L82 PathProgramCache]: Analyzing trace with hash -788715206, now seen corresponding path program 3 times [2020-11-30 01:48:03,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 01:48:03,174 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1421891280] [2020-11-30 01:48:03,174 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/bin/utaipan/mathsat Starting monitored process 18 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with mathsat -unsat_core_generation=3 [2020-11-30 01:48:03,326 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2020-11-30 01:48:03,326 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-30 01:48:03,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2020-11-30 01:48:03,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:48:03,387 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-11-30 01:48:03,387 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:48:03,412 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:48:03,413 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-30 01:48:03,413 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:24 [2020-11-30 01:48:03,653 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:48:03,653 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 22 [2020-11-30 01:48:03,655 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:48:03,657 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-11-30 01:48:03,709 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:48:03,710 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:48:03,717 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-30 01:48:03,717 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:28 [2020-11-30 01:48:03,718 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:48:04,147 INFO L134 CoverageAnalysis]: Checked inductivity of 962 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 887 trivial. 0 not checked. [2020-11-30 01:48:04,147 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:48:04,666 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 42 [2020-11-30 01:48:04,667 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2020-11-30 01:48:04,788 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2020-11-30 01:48:04,789 INFO L625 ElimStorePlain]: treesize reduction 21, result has 63.8 percent of original size [2020-11-30 01:48:04,790 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:04,792 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-30 01:48:04,793 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:46, output treesize:34 [2020-11-30 01:48:04,794 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:05,004 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:05,244 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:05,508 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:05,756 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:05,999 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:06,252 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:06,531 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:06,855 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:07,112 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:07,378 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:07,667 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:07,881 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:08,126 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:08,415 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:08,697 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:08,926 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:09,151 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:09,384 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:09,630 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:09,873 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:10,115 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:10,355 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:10,610 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:10,891 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:11,132 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:11,404 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:11,680 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:11,966 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:12,238 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:12,473 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:12,728 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:12,998 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:13,284 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:13,587 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:14,083 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:14,352 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:14,649 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:14,920 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:15,215 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:15,519 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:15,821 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:16,116 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:16,420 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:16,771 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:17,077 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:17,404 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:17,742 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:18,043 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:18,347 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:18,704 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:19,016 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:19,340 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:19,645 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:20,050 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:20,329 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:20,629 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:20,906 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:21,220 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:21,527 INFO L134 CoverageAnalysis]: Checked inductivity of 962 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 887 trivial. 0 not checked. [2020-11-30 01:48:21,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1421891280] [2020-11-30 01:48:21,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1874204285] [2020-11-30 01:48:21,528 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/bin/utaipan/cvc4 Starting monitored process 19 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-30 01:48:21,730 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2020-11-30 01:48:21,730 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-30 01:48:21,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2020-11-30 01:48:21,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:48:21,765 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-11-30 01:48:21,765 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:48:21,788 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:48:21,788 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-30 01:48:21,789 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:24 [2020-11-30 01:48:23,987 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:48:23,987 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 22 [2020-11-30 01:48:23,989 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:48:23,990 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-11-30 01:48:24,018 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:48:24,019 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:48:24,023 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-30 01:48:24,023 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:28 [2020-11-30 01:48:24,023 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:48:24,119 INFO L134 CoverageAnalysis]: Checked inductivity of 962 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 887 trivial. 0 not checked. [2020-11-30 01:48:24,120 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:48:24,284 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 42 [2020-11-30 01:48:24,290 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2020-11-30 01:48:24,494 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2020-11-30 01:48:24,495 INFO L625 ElimStorePlain]: treesize reduction 21, result has 63.8 percent of original size [2020-11-30 01:48:24,496 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:24,500 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-30 01:48:24,501 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:46, output treesize:34 [2020-11-30 01:48:24,501 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:24,503 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:24,835 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:25,099 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:25,368 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:25,623 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:25,932 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:26,305 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:26,602 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:26,934 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:27,211 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:27,458 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:27,724 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:28,004 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:28,256 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:28,578 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:28,888 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:29,157 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:29,476 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:29,768 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:30,130 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:30,377 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:30,642 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:30,882 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:31,122 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:31,392 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:31,652 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:31,927 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:32,279 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:32,565 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:32,850 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:33,122 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:33,375 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:33,654 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:33,967 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:34,228 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:34,553 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:34,981 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:35,299 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:35,786 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:36,236 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:36,629 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:36,915 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:37,286 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:37,671 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:37,944 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:38,254 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:38,582 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:38,926 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:39,259 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:39,566 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:39,842 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:40,104 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:40,383 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:40,673 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:40,928 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:41,197 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:41,443 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:41,709 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:42,100 INFO L134 CoverageAnalysis]: Checked inductivity of 962 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 887 trivial. 0 not checked. [2020-11-30 01:48:42,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849447169] [2020-11-30 01:48:42,100 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/bin/utaipan/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:48:42,218 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2020-11-30 01:48:42,218 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-30 01:48:42,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2020-11-30 01:48:42,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:48:42,241 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-11-30 01:48:42,241 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:48:42,267 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:48:42,267 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-30 01:48:42,267 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:24 [2020-11-30 01:48:42,329 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:48:42,330 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 22 [2020-11-30 01:48:42,331 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:48:42,334 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-11-30 01:48:42,383 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:48:42,384 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:48:42,390 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-30 01:48:42,391 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:28 [2020-11-30 01:48:42,391 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 01:48:42,477 INFO L134 CoverageAnalysis]: Checked inductivity of 962 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 887 trivial. 0 not checked. [2020-11-30 01:48:42,478 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:48:42,541 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 42 [2020-11-30 01:48:42,544 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2020-11-30 01:48:42,761 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2020-11-30 01:48:42,761 INFO L625 ElimStorePlain]: treesize reduction 21, result has 63.8 percent of original size [2020-11-30 01:48:42,763 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:42,765 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-30 01:48:42,765 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:46, output treesize:34 [2020-11-30 01:48:42,766 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:42,767 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:43,079 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:43,330 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:43,595 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:43,855 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:44,130 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:44,393 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:44,696 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:44,999 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:45,308 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:45,741 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:46,062 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:46,343 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:46,637 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:46,915 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:47,202 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:47,456 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:47,737 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:48,047 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:48,341 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:48,600 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:48,860 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:49,133 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:49,446 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:49,742 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:49,996 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:50,289 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:50,595 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:50,876 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:51,334 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:51,617 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:51,958 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:52,276 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:52,554 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:52,814 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:53,078 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:53,338 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:53,606 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:53,873 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:54,149 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:54,389 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:54,694 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:54,997 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:55,302 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:55,551 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:55,826 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:56,124 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:56,426 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:56,745 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:57,032 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:57,356 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:57,672 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:57,984 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:58,342 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:58,671 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:59,008 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:59,305 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:59,583 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-30 01:48:59,928 INFO L134 CoverageAnalysis]: Checked inductivity of 962 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 887 trivial. 0 not checked. [2020-11-30 01:48:59,928 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2020-11-30 01:48:59,929 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9, 9, 9, 9] total 17 [2020-11-30 01:48:59,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642268708] [2020-11-30 01:48:59,930 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-11-30 01:48:59,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 01:48:59,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-11-30 01:48:59,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=221, Unknown=1, NotChecked=0, Total=272 [2020-11-30 01:48:59,931 INFO L87 Difference]: Start difference. First operand 101 states and 103 transitions. Second operand 17 states. [2020-11-30 01:49:01,151 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2020-11-30 01:49:01,461 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-11-30 01:49:01,862 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2020-11-30 01:49:01,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:49:01,888 INFO L93 Difference]: Finished difference Result 101 states and 103 transitions. [2020-11-30 01:49:01,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-30 01:49:01,891 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 100 [2020-11-30 01:49:01,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:49:01,892 INFO L225 Difference]: With dead ends: 101 [2020-11-30 01:49:01,892 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 01:49:01,893 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 602 GetRequests, 404 SyntacticMatches, 175 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1400 ImplicationChecksByTransitivity, 54.5s TimeCoverageRelationStatistics Valid=149, Invalid=450, Unknown=1, NotChecked=0, Total=600 [2020-11-30 01:49:01,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 01:49:01,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 01:49:01,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 01:49:01,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 01:49:01,894 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2020-11-30 01:49:01,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:49:01,894 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:49:01,894 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-11-30 01:49:01,894 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 01:49:01,894 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 01:49:02,495 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 mathsat -unsat_core_generation=3,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,19 cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-30 01:49:02,497 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 01:49:04,147 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2020-11-30 01:49:04,357 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 29 [2020-11-30 01:49:04,360 INFO L274 CegarLoopResult]: For program point L35-2(lines 35 41) no Hoare annotation was computed. [2020-11-30 01:49:04,360 INFO L270 CegarLoopResult]: At program point L35-3(lines 35 41) the Hoare annotation is: (let ((.cse9 (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#a~0.base|)) (.cse4 (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#a~0.base|))) (let ((.cse0 (bvslt (bvadd ULTIMATE.start_init_~i~0 (_ bv4294967295 32)) ULTIMATE.start_init_~size)) (.cse6 (exists ((ULTIMATE.start_init_~i~0 (_ BitVec 32))) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#a~0.base|) (bvadd (bvmul ULTIMATE.start_init_~i~0 (_ bv4 32)) |ULTIMATE.start_main_~#a~0.offset| (_ bv4294967292 32))) (_ bv0 32))) (bvslt (bvadd ULTIMATE.start_init_~i~0 (_ bv4294967295 32)) (_ bv100000 32)) (not (bvslt ULTIMATE.start_init_~i~0 (_ bv100000 32)))))) (.cse7 (= (select .cse4 |ULTIMATE.start_main_~#a~0.offset|) (_ bv0 32))) (.cse8 (not (= (select .cse4 (bvadd (bvmul ULTIMATE.start_init_~i~0 (_ bv4 32)) |ULTIMATE.start_main_~#a~0.offset| (_ bv4294967292 32))) (_ bv0 32)))) (.cse1 (= (_ bv0 32) |ULTIMATE.start_main_~#a~0.offset|)) (.cse2 (= |ULTIMATE.start_main_~#a~0.base| ULTIMATE.start_init_~a.base)) (.cse3 (= ULTIMATE.start_init_~a.offset |ULTIMATE.start_main_~#a~0.offset|)) (.cse10 (= (_ bv0 32) (bvadd ULTIMATE.start_init_~size (_ bv4294867296 32)))) (.cse11 (= (_ bv0 32) (select .cse9 |ULTIMATE.start_main_~#a~0.offset|)))) (or (= (_ bv1 32) ULTIMATE.start_main_~flag~0) (let ((.cse5 (bvadd |ULTIMATE.start_main_~#a~0.offset| (_ bv4 32)))) (and .cse0 .cse1 .cse2 .cse3 (= (_ bv0 32) (select .cse4 .cse5)) .cse6 .cse7 .cse8 (= (_ bv0 32) (select .cse9 .cse5)) (exists ((ULTIMATE.start_init_~i~0 (_ BitVec 32))) (and (bvslt (bvadd ULTIMATE.start_init_~i~0 (_ bv4294967295 32)) (_ bv100000 32)) (not (bvslt ULTIMATE.start_init_~i~0 (_ bv100000 32))) (not (= (bvmul ULTIMATE.start_main_~i~1 (_ bv4 32)) (bvmul ULTIMATE.start_init_~i~0 (_ bv4 32)))))) .cse10 (bvslt (bvadd ULTIMATE.start_main_~i~1 (_ bv4294967295 32)) (_ bv100000 32)) .cse11)) (and .cse0 .cse6 (= (_ bv0 32) ULTIMATE.start_main_~i~1) .cse8 .cse1 .cse2 .cse3 (= ULTIMATE.start_init_~size (_ bv100000 32))) (and .cse0 .cse6 .cse7 .cse8 .cse1 .cse2 (= (_ bv1 32) ULTIMATE.start_main_~i~1) .cse3 .cse10 .cse11)))) [2020-11-30 01:49:04,361 INFO L274 CegarLoopResult]: For program point L35-4(lines 35 41) no Hoare annotation was computed. [2020-11-30 01:49:04,361 INFO L274 CegarLoopResult]: For program point L23-2(lines 23 26) no Hoare annotation was computed. [2020-11-30 01:49:04,361 INFO L270 CegarLoopResult]: At program point L23-3(lines 23 26) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) |ULTIMATE.start_main_~#a~0.offset|)) (.cse1 (= |ULTIMATE.start_main_~#a~0.base| ULTIMATE.start_init_~a.base)) (.cse2 (= ULTIMATE.start_init_~a.offset |ULTIMATE.start_main_~#a~0.offset|)) (.cse3 (= (_ bv0 32) (bvadd ULTIMATE.start_init_~size (_ bv4294867296 32))))) (or (and .cse0 .cse1 .cse2 .cse3 (= (_ bv0 32) ULTIMATE.start_init_~i~0)) (and (bvslt (bvadd ULTIMATE.start_init_~i~0 (_ bv4294967295 32)) ULTIMATE.start_init_~size) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#a~0.base|) (bvadd (bvmul ULTIMATE.start_init_~i~0 (_ bv4 32)) |ULTIMATE.start_main_~#a~0.offset| (_ bv4294967292 32))) (_ bv0 32))) .cse0 .cse1 .cse2 .cse3))) [2020-11-30 01:49:04,361 INFO L274 CegarLoopResult]: For program point L15(line 15) no Hoare annotation was computed. [2020-11-30 01:49:04,361 INFO L274 CegarLoopResult]: For program point L15-1(line 15) no Hoare annotation was computed. [2020-11-30 01:49:04,361 INFO L274 CegarLoopResult]: For program point L44(lines 44 45) no Hoare annotation was computed. [2020-11-30 01:49:04,361 INFO L274 CegarLoopResult]: For program point L15-3(line 15) no Hoare annotation was computed. [2020-11-30 01:49:04,361 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 01:49:04,362 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 01:49:04,362 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 01:49:04,362 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2020-11-30 01:49:04,362 INFO L274 CegarLoopResult]: For program point L20(lines 20 27) no Hoare annotation was computed. [2020-11-30 01:49:04,362 INFO L274 CegarLoopResult]: For program point L37(lines 37 40) no Hoare annotation was computed. [2020-11-30 01:49:04,362 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 01:49:04,362 INFO L274 CegarLoopResult]: For program point L42-2(lines 42 46) no Hoare annotation was computed. [2020-11-30 01:49:04,362 INFO L270 CegarLoopResult]: At program point L42-3(lines 42 46) the Hoare annotation is: (not (= (_ bv0 32) ULTIMATE.start_main_~flag~0)) [2020-11-30 01:49:04,362 INFO L274 CegarLoopResult]: For program point L42-4(lines 42 46) no Hoare annotation was computed. [2020-11-30 01:49:04,363 INFO L277 CegarLoopResult]: At program point L47(lines 28 48) the Hoare annotation is: true [2020-11-30 01:49:04,363 INFO L274 CegarLoopResult]: For program point L14(line 14) no Hoare annotation was computed. [2020-11-30 01:49:04,363 INFO L274 CegarLoopResult]: For program point L14-2(line 14) no Hoare annotation was computed. [2020-11-30 01:49:04,363 INFO L274 CegarLoopResult]: For program point L14-3(line 14) no Hoare annotation was computed. [2020-11-30 01:49:04,376 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-30 01:49:04,377 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-30 01:49:04,378 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,378 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,378 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,379 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-30 01:49:04,379 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-30 01:49:04,379 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-11-30 01:49:04,380 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,380 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,380 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,380 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-11-30 01:49:04,381 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-30 01:49:04,381 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,381 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,382 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,382 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-30 01:49:04,382 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-30 01:49:04,382 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,383 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,383 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,383 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-30 01:49:04,384 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-30 01:49:04,384 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-11-30 01:49:04,387 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,387 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,387 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,388 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,388 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,388 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,388 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,389 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,389 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,389 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,390 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,390 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,394 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-30 01:49:04,395 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-30 01:49:04,395 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,395 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,395 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,396 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-30 01:49:04,396 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-30 01:49:04,396 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-11-30 01:49:04,396 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,397 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,397 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,397 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-11-30 01:49:04,397 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-30 01:49:04,398 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,398 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,398 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,398 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-30 01:49:04,399 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-30 01:49:04,399 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,399 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,399 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,400 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-30 01:49:04,400 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-30 01:49:04,400 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-11-30 01:49:04,401 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,402 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,402 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,402 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,403 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,403 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,403 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,403 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,404 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,404 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,404 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,404 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,407 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-30 01:49:04,407 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,408 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-30 01:49:04,409 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:49:04 BoogieIcfgContainer [2020-11-30 01:49:04,411 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:49:04,411 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:49:04,411 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:49:04,412 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:49:04,412 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:47:33" (3/4) ... [2020-11-30 01:49:04,415 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 01:49:04,425 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-11-30 01:49:04,426 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-30 01:49:04,426 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:49:04,426 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:49:04,451 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1bv32 == flag || ((((((((((((~bvslt32(~bvadd64(i, 4294967295bv32), size) && 0bv32 == a) && a == a) && a == a) && 0bv32 == #memory_$Pointer$[a][~bvadd64(a, 4bv32)]) && (\exists ULTIMATE.start_init_~i~0 : bv32 :: (!(#memory_$Pointer$[a][~bvadd64(~bvmul32(ULTIMATE.start_init_~i~0, 4bv32), a, 4294967292bv32)] == 0bv32) && ~bvslt32(~bvadd64(ULTIMATE.start_init_~i~0, 4294967295bv32), 100000bv32)) && !~bvslt32(ULTIMATE.start_init_~i~0, 100000bv32))) && #memory_$Pointer$[a][a] == 0bv32) && !(#memory_$Pointer$[a][~bvadd64(~bvmul32(i, 4bv32), a, 4294967292bv32)] == 0bv32)) && 0bv32 == #memory_$Pointer$[a][~bvadd64(a, 4bv32)]) && (\exists ULTIMATE.start_init_~i~0 : bv32 :: (~bvslt32(~bvadd64(ULTIMATE.start_init_~i~0, 4294967295bv32), 100000bv32) && !~bvslt32(ULTIMATE.start_init_~i~0, 100000bv32)) && !(~bvmul32(i, 4bv32) == ~bvmul32(ULTIMATE.start_init_~i~0, 4bv32)))) && 0bv32 == ~bvadd64(size, 4294867296bv32)) && ~bvslt32(~bvadd64(i, 4294967295bv32), 100000bv32)) && 0bv32 == #memory_$Pointer$[a][a])) || (((((((~bvslt32(~bvadd64(i, 4294967295bv32), size) && (\exists ULTIMATE.start_init_~i~0 : bv32 :: (!(#memory_$Pointer$[a][~bvadd64(~bvmul32(ULTIMATE.start_init_~i~0, 4bv32), a, 4294967292bv32)] == 0bv32) && ~bvslt32(~bvadd64(ULTIMATE.start_init_~i~0, 4294967295bv32), 100000bv32)) && !~bvslt32(ULTIMATE.start_init_~i~0, 100000bv32))) && 0bv32 == i) && !(#memory_$Pointer$[a][~bvadd64(~bvmul32(i, 4bv32), a, 4294967292bv32)] == 0bv32)) && 0bv32 == a) && a == a) && a == a) && size == 100000bv32)) || (((((((((~bvslt32(~bvadd64(i, 4294967295bv32), size) && (\exists ULTIMATE.start_init_~i~0 : bv32 :: (!(#memory_$Pointer$[a][~bvadd64(~bvmul32(ULTIMATE.start_init_~i~0, 4bv32), a, 4294967292bv32)] == 0bv32) && ~bvslt32(~bvadd64(ULTIMATE.start_init_~i~0, 4294967295bv32), 100000bv32)) && !~bvslt32(ULTIMATE.start_init_~i~0, 100000bv32))) && #memory_$Pointer$[a][a] == 0bv32) && !(#memory_$Pointer$[a][~bvadd64(~bvmul32(i, 4bv32), a, 4294967292bv32)] == 0bv32)) && 0bv32 == a) && a == a) && 1bv32 == i) && a == a) && 0bv32 == ~bvadd64(size, 4294867296bv32)) && 0bv32 == #memory_$Pointer$[a][a]) [2020-11-30 01:49:04,464 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5e18b645-900d-4b57-b06e-a39a30af01b6/bin/utaipan/witness.graphml [2020-11-30 01:49:04,464 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:49:04,465 INFO L168 Benchmark]: Toolchain (without parser) took 91524.11 ms. Allocated memory was 48.2 MB in the beginning and 79.7 MB in the end (delta: 31.5 MB). Free memory was 23.8 MB in the beginning and 44.2 MB in the end (delta: -20.5 MB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:49:04,466 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 48.2 MB. Free memory was 30.2 MB in the beginning and 30.2 MB in the end (delta: 21.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:49:04,466 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.18 ms. Allocated memory is still 48.2 MB. Free memory was 23.6 MB in the beginning and 24.0 MB in the end (delta: -358.7 kB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:49:04,467 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.31 ms. Allocated memory was 48.2 MB in the beginning and 65.0 MB in the end (delta: 16.8 MB). Free memory was 23.9 MB in the beginning and 48.1 MB in the end (delta: -24.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:49:04,467 INFO L168 Benchmark]: Boogie Preprocessor took 43.93 ms. Allocated memory is still 65.0 MB. Free memory was 48.1 MB in the beginning and 46.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:49:04,468 INFO L168 Benchmark]: RCFGBuilder took 570.79 ms. Allocated memory is still 65.0 MB. Free memory was 46.6 MB in the beginning and 45.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:49:04,468 INFO L168 Benchmark]: TraceAbstraction took 90464.16 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 44.8 MB in the beginning and 47.7 MB in the end (delta: -2.8 MB). Peak memory consumption was 42.9 MB. Max. memory is 16.1 GB. [2020-11-30 01:49:04,469 INFO L168 Benchmark]: Witness Printer took 52.83 ms. Allocated memory is still 79.7 MB. Free memory was 47.7 MB in the beginning and 44.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:49:04,471 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 48.2 MB. Free memory was 30.2 MB in the beginning and 30.2 MB in the end (delta: 21.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 302.18 ms. Allocated memory is still 48.2 MB. Free memory was 23.6 MB in the beginning and 24.0 MB in the end (delta: -358.7 kB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 83.31 ms. Allocated memory was 48.2 MB in the beginning and 65.0 MB in the end (delta: 16.8 MB). Free memory was 23.9 MB in the beginning and 48.1 MB in the end (delta: -24.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 43.93 ms. Allocated memory is still 65.0 MB. Free memory was 48.1 MB in the beginning and 46.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 570.79 ms. Allocated memory is still 65.0 MB. Free memory was 46.6 MB in the beginning and 45.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 90464.16 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 44.8 MB in the beginning and 47.7 MB in the end (delta: -2.8 MB). Peak memory consumption was 42.9 MB. Max. memory is 16.1 GB. * Witness Printer took 52.83 ms. Allocated memory is still 79.7 MB. Free memory was 47.7 MB in the beginning and 44.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 14]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 35]: Loop Invariant [2020-11-30 01:49:04,488 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-30 01:49:04,489 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-30 01:49:04,489 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,489 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,489 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,490 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-30 01:49:04,490 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-30 01:49:04,490 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-11-30 01:49:04,491 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,491 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,491 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,491 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-11-30 01:49:04,492 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-30 01:49:04,492 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,492 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,492 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,493 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-30 01:49:04,493 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-30 01:49:04,493 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,494 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,494 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,494 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-30 01:49:04,494 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-30 01:49:04,495 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-11-30 01:49:04,496 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,496 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,496 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,497 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,497 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,497 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,497 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,498 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,498 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,498 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,499 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,499 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,500 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-30 01:49:04,501 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-30 01:49:04,501 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,501 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,501 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,502 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-30 01:49:04,502 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-30 01:49:04,502 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-11-30 01:49:04,502 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,503 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,503 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,503 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-11-30 01:49:04,504 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-30 01:49:04,504 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,504 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,504 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,505 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-30 01:49:04,505 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-30 01:49:04,505 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,506 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,506 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_init_~i~0,QUANTIFIED] [2020-11-30 01:49:04,506 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-30 01:49:04,506 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-30 01:49:04,507 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-11-30 01:49:04,508 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,508 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,509 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,509 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,509 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,509 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,510 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,510 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,510 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,510 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,511 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,511 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((1bv32 == flag || ((((((((((((~bvslt32(~bvadd64(i, 4294967295bv32), size) && 0bv32 == a) && a == a) && a == a) && 0bv32 == #memory_$Pointer$[a][~bvadd64(a, 4bv32)]) && (\exists ULTIMATE.start_init_~i~0 : bv32 :: (!(#memory_$Pointer$[a][~bvadd64(~bvmul32(ULTIMATE.start_init_~i~0, 4bv32), a, 4294967292bv32)] == 0bv32) && ~bvslt32(~bvadd64(ULTIMATE.start_init_~i~0, 4294967295bv32), 100000bv32)) && !~bvslt32(ULTIMATE.start_init_~i~0, 100000bv32))) && #memory_$Pointer$[a][a] == 0bv32) && !(#memory_$Pointer$[a][~bvadd64(~bvmul32(i, 4bv32), a, 4294967292bv32)] == 0bv32)) && 0bv32 == #memory_$Pointer$[a][~bvadd64(a, 4bv32)]) && (\exists ULTIMATE.start_init_~i~0 : bv32 :: (~bvslt32(~bvadd64(ULTIMATE.start_init_~i~0, 4294967295bv32), 100000bv32) && !~bvslt32(ULTIMATE.start_init_~i~0, 100000bv32)) && !(~bvmul32(i, 4bv32) == ~bvmul32(ULTIMATE.start_init_~i~0, 4bv32)))) && 0bv32 == ~bvadd64(size, 4294867296bv32)) && ~bvslt32(~bvadd64(i, 4294967295bv32), 100000bv32)) && 0bv32 == #memory_$Pointer$[a][a])) || (((((((~bvslt32(~bvadd64(i, 4294967295bv32), size) && (\exists ULTIMATE.start_init_~i~0 : bv32 :: (!(#memory_$Pointer$[a][~bvadd64(~bvmul32(ULTIMATE.start_init_~i~0, 4bv32), a, 4294967292bv32)] == 0bv32) && ~bvslt32(~bvadd64(ULTIMATE.start_init_~i~0, 4294967295bv32), 100000bv32)) && !~bvslt32(ULTIMATE.start_init_~i~0, 100000bv32))) && 0bv32 == i) && !(#memory_$Pointer$[a][~bvadd64(~bvmul32(i, 4bv32), a, 4294967292bv32)] == 0bv32)) && 0bv32 == a) && a == a) && a == a) && size == 100000bv32)) || (((((((((~bvslt32(~bvadd64(i, 4294967295bv32), size) && (\exists ULTIMATE.start_init_~i~0 : bv32 :: (!(#memory_$Pointer$[a][~bvadd64(~bvmul32(ULTIMATE.start_init_~i~0, 4bv32), a, 4294967292bv32)] == 0bv32) && ~bvslt32(~bvadd64(ULTIMATE.start_init_~i~0, 4294967295bv32), 100000bv32)) && !~bvslt32(ULTIMATE.start_init_~i~0, 100000bv32))) && #memory_$Pointer$[a][a] == 0bv32) && !(#memory_$Pointer$[a][~bvadd64(~bvmul32(i, 4bv32), a, 4294967292bv32)] == 0bv32)) && 0bv32 == a) && a == a) && 1bv32 == i) && a == a) && 0bv32 == ~bvadd64(size, 4294867296bv32)) && 0bv32 == #memory_$Pointer$[a][a]) - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: !(0bv32 == flag) - InvariantResult [Line: 23]: Loop Invariant [2020-11-30 01:49:04,513 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-30 01:49:04,513 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-11-30 01:49:04,514 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-11-30 01:49:04,515 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((0bv32 == a && a == a) && a == a) && 0bv32 == ~bvadd64(size, 4294867296bv32)) && 0bv32 == i) || (((((~bvslt32(~bvadd64(i, 4294967295bv32), size) && !(#memory_$Pointer$[a][~bvadd64(~bvmul32(i, 4bv32), a, 4294967292bv32)] == 0bv32)) && 0bv32 == a) && a == a) && a == a) && 0bv32 == ~bvadd64(size, 4294867296bv32)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 88.4s, OverallIterations: 8, TraceHistogramMax: 30, AutomataDifference: 13.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 137 SDtfs, 331 SDslu, 680 SDs, 0 SdLazy, 1667 SolverSat, 135 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1529 GetRequests, 1162 SyntacticMatches, 192 SemanticMatches, 175 ConstructedPredicates, 0 IntricatePredicates, 4 DeprecatedPredicates, 2925 ImplicationChecksByTransitivity, 67.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=7, 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, 8 MinimizatonAttempts, 50 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 46 NumberOfFragments, 306 HoareAnnotationTreeSize, 4 FomulaSimplifications, 2232 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 4 FomulaSimplificationsInter, 132 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 68.5s InterpolantComputationTime, 755 NumberOfCodeBlocks, 551 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 1472 ConstructedInterpolants, 299 QuantifiedInterpolants, 1325713 SizeOfPredicates, 109 NumberOfNonLiveVariables, 2060 ConjunctsInSsa, 180 ConjunctsInUnsatCore, 38 InterpolantComputations, 8 PerfectInterpolantSequences, 5973/7422 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...