./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-simple/sll2c_update_all_reverse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/list-simple/sll2c_update_all_reverse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs --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 f6bad48b4609958b21373d95937ae7f736890e97 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/list-simple/sll2c_update_all_reverse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs --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 f6bad48b4609958b21373d95937ae7f736890e97 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:30:16,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:30:16,833 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:30:16,897 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:30:16,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:30:16,903 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:30:16,905 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:30:16,910 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:30:16,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:30:16,920 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:30:16,922 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:30:16,924 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:30:16,924 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:30:16,928 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:30:16,930 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:30:16,942 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:30:16,944 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:30:16,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:30:16,950 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:30:16,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:30:16,961 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:30:16,962 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:30:16,967 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:30:16,968 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:30:16,980 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:30:16,983 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:30:16,983 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:30:16,986 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:30:16,987 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:30:16,989 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:30:16,989 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:30:16,990 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:30:16,993 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:30:16,994 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:30:16,996 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:30:16,997 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:30:16,998 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:30:16,998 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:30:16,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:30:16,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:30:17,000 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:30:17,001 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 02:30:17,063 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:30:17,064 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:30:17,065 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:30:17,066 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:30:17,066 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:30:17,066 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:30:17,067 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:30:17,067 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:30:17,067 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:30:17,067 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:30:17,069 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:30:17,069 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:30:17,070 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:30:17,070 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:30:17,070 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:30:17,071 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:30:17,071 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:30:17,072 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:30:17,072 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:30:17,072 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:30:17,072 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:30:17,073 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:30:17,073 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:30:17,073 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:30:17,074 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:30:17,074 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:30:17,074 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:30:17,074 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:30:17,075 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:30:17,075 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:30:17,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:30:17,076 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:30:17,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:30:17,076 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:30:17,077 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:30:17,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:30:17,077 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:30:17,077 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:30:17,078 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:30:17,078 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6bad48b4609958b21373d95937ae7f736890e97 [2021-10-16 02:30:17,421 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:30:17,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:30:17,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:30:17,456 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:30:17,457 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:30:17,458 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/list-simple/sll2c_update_all_reverse.i [2021-10-16 02:30:17,564 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/data/c9284f213/889dd48400ca4d9ba482132febc1bc45/FLAG3f9b3092c [2021-10-16 02:30:18,271 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:30:18,272 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/sv-benchmarks/c/list-simple/sll2c_update_all_reverse.i [2021-10-16 02:30:18,292 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/data/c9284f213/889dd48400ca4d9ba482132febc1bc45/FLAG3f9b3092c [2021-10-16 02:30:18,539 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/data/c9284f213/889dd48400ca4d9ba482132febc1bc45 [2021-10-16 02:30:18,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:30:18,545 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:30:18,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:30:18,552 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:30:18,558 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:30:18,560 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:30:18" (1/1) ... [2021-10-16 02:30:18,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74c3b85d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:18, skipping insertion in model container [2021-10-16 02:30:18,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:30:18" (1/1) ... [2021-10-16 02:30:18,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:30:18,666 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:30:19,044 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/sv-benchmarks/c/list-simple/sll2c_update_all_reverse.i[24436,24449] [2021-10-16 02:30:19,048 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:30:19,064 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:30:19,165 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/sv-benchmarks/c/list-simple/sll2c_update_all_reverse.i[24436,24449] [2021-10-16 02:30:19,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:30:19,215 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:30:19,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:19 WrapperNode [2021-10-16 02:30:19,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:30:19,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:30:19,217 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:30:19,217 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:30:19,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:19" (1/1) ... [2021-10-16 02:30:19,244 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:19" (1/1) ... [2021-10-16 02:30:19,291 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:30:19,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:30:19,292 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:30:19,292 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:30:19,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:19" (1/1) ... [2021-10-16 02:30:19,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:19" (1/1) ... [2021-10-16 02:30:19,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:19" (1/1) ... [2021-10-16 02:30:19,331 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:19" (1/1) ... [2021-10-16 02:30:19,340 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:19" (1/1) ... [2021-10-16 02:30:19,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:19" (1/1) ... [2021-10-16 02:30:19,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:19" (1/1) ... [2021-10-16 02:30:19,358 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:30:19,359 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:30:19,359 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:30:19,367 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:30:19,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:19" (1/1) ... [2021-10-16 02:30:19,376 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:30:19,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:30:19,400 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:30:19,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:30:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 02:30:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 02:30:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-16 02:30:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-16 02:30:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:30:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-16 02:30:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 02:30:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 02:30:19,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:30:19,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:30:20,197 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:30:20,197 INFO L299 CfgBuilder]: Removed 26 assume(true) statements. [2021-10-16 02:30:20,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:30:20 BoogieIcfgContainer [2021-10-16 02:30:20,200 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:30:20,202 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:30:20,203 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:30:20,207 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:30:20,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:30:18" (1/3) ... [2021-10-16 02:30:20,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1825267e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:30:20, skipping insertion in model container [2021-10-16 02:30:20,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:19" (2/3) ... [2021-10-16 02:30:20,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1825267e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:30:20, skipping insertion in model container [2021-10-16 02:30:20,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:30:20" (3/3) ... [2021-10-16 02:30:20,210 INFO L111 eAbstractionObserver]: Analyzing ICFG sll2c_update_all_reverse.i [2021-10-16 02:30:20,217 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:30:20,217 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 02:30:20,324 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:30:20,332 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 02:30:20,332 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 02:30:20,350 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 16 states have (on average 1.6875) internal successors, (27), 17 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:30:20,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-16 02:30:20,356 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:30:20,357 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:30:20,357 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:30:20,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:30:20,364 INFO L82 PathProgramCache]: Analyzing trace with hash 1750896396, now seen corresponding path program 1 times [2021-10-16 02:30:20,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:30:20,377 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296326345] [2021-10-16 02:30:20,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:30:20,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:30:20,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:30:20,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:30:20,603 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:30:20,604 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296326345] [2021-10-16 02:30:20,605 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296326345] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 02:30:20,605 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:30:20,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 02:30:20,608 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534209326] [2021-10-16 02:30:20,614 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 02:30:20,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 02:30:20,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 02:30:20,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:30:20,634 INFO L87 Difference]: Start difference. First operand has 18 states, 16 states have (on average 1.6875) internal successors, (27), 17 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:30:20,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:30:20,680 INFO L93 Difference]: Finished difference Result 33 states and 50 transitions. [2021-10-16 02:30:20,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:30:20,682 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-10-16 02:30:20,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:30:20,692 INFO L225 Difference]: With dead ends: 33 [2021-10-16 02:30:20,692 INFO L226 Difference]: Without dead ends: 13 [2021-10-16 02:30:20,695 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:30:20,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2021-10-16 02:30:20,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2021-10-16 02:30:20,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:30:20,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2021-10-16 02:30:20,735 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 16 transitions. Word has length 8 [2021-10-16 02:30:20,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:30:20,736 INFO L470 AbstractCegarLoop]: Abstraction has 12 states and 16 transitions. [2021-10-16 02:30:20,736 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:30:20,736 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-10-16 02:30:20,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-16 02:30:20,737 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:30:20,738 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:30:20,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 02:30:20,738 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:30:20,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:30:20,740 INFO L82 PathProgramCache]: Analyzing trace with hash 323590111, now seen corresponding path program 1 times [2021-10-16 02:30:20,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:30:20,741 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533683800] [2021-10-16 02:30:20,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:30:20,741 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:30:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:30:20,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-16 02:30:20,834 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:30:20,834 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533683800] [2021-10-16 02:30:20,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533683800] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 02:30:20,835 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:30:20,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 02:30:20,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809235582] [2021-10-16 02:30:20,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:30:20,838 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 02:30:20,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:30:20,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:30:20,839 INFO L87 Difference]: Start difference. First operand 12 states and 16 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:30:20,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:30:20,881 INFO L93 Difference]: Finished difference Result 24 states and 32 transitions. [2021-10-16 02:30:20,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 02:30:20,881 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-10-16 02:30:20,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:30:20,883 INFO L225 Difference]: With dead ends: 24 [2021-10-16 02:30:20,883 INFO L226 Difference]: Without dead ends: 19 [2021-10-16 02:30:20,884 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.8ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-16 02:30:20,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-10-16 02:30:20,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 13. [2021-10-16 02:30:20,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:30:20,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2021-10-16 02:30:20,890 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 17 transitions. Word has length 10 [2021-10-16 02:30:20,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:30:20,890 INFO L470 AbstractCegarLoop]: Abstraction has 13 states and 17 transitions. [2021-10-16 02:30:20,890 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:30:20,891 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2021-10-16 02:30:20,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-16 02:30:20,892 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:30:20,892 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:30:20,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 02:30:20,893 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:30:20,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:30:20,894 INFO L82 PathProgramCache]: Analyzing trace with hash -1526021095, now seen corresponding path program 1 times [2021-10-16 02:30:20,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:30:20,894 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963093903] [2021-10-16 02:30:20,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:30:20,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:30:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:30:21,060 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-16 02:30:21,061 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:30:21,061 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963093903] [2021-10-16 02:30:21,062 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963093903] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 02:30:21,062 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:30:21,062 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-16 02:30:21,062 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743638742] [2021-10-16 02:30:21,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 02:30:21,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 02:30:21,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 02:30:21,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-16 02:30:21,069 INFO L87 Difference]: Start difference. First operand 13 states and 17 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:30:21,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:30:21,141 INFO L93 Difference]: Finished difference Result 27 states and 37 transitions. [2021-10-16 02:30:21,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 02:30:21,142 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-10-16 02:30:21,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:30:21,143 INFO L225 Difference]: With dead ends: 27 [2021-10-16 02:30:21,144 INFO L226 Difference]: Without dead ends: 20 [2021-10-16 02:30:21,144 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 35.4ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-16 02:30:21,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-10-16 02:30:21,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 14. [2021-10-16 02:30:21,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:30:21,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2021-10-16 02:30:21,151 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 18 transitions. Word has length 12 [2021-10-16 02:30:21,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:30:21,152 INFO L470 AbstractCegarLoop]: Abstraction has 14 states and 18 transitions. [2021-10-16 02:30:21,152 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:30:21,152 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2021-10-16 02:30:21,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-16 02:30:21,153 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:30:21,153 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:30:21,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-16 02:30:21,154 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:30:21,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:30:21,155 INFO L82 PathProgramCache]: Analyzing trace with hash -818523511, now seen corresponding path program 1 times [2021-10-16 02:30:21,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:30:21,156 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947458139] [2021-10-16 02:30:21,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:30:21,157 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:30:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:30:21,236 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-16 02:30:21,237 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:30:21,237 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947458139] [2021-10-16 02:30:21,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947458139] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-16 02:30:21,238 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017415552] [2021-10-16 02:30:21,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:30:21,239 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 02:30:21,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:30:21,265 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 02:30:21,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-16 02:30:21,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:30:21,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-16 02:30:21,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:30:21,561 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-16 02:30:21,561 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:30:21,660 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-16 02:30:21,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1017415552] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:30:21,661 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1049463830] [2021-10-16 02:30:21,691 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2021-10-16 02:30:21,691 INFO L166 IcfgInterpreter]: Building call graph [2021-10-16 02:30:21,697 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-16 02:30:21,705 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-16 02:30:21,709 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-16 02:30:21,780 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:30:21,787 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-16 02:30:21,787 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:30:21,789 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-16 02:30:21,794 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-16 02:30:21,795 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:30:21,796 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-10-16 02:30:21,805 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-10-16 02:30:21,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:30:21,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:30:21,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:30:21,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:30:21,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:30:21,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:30:21,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:30:21,919 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-10-16 02:30:21,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 34 [2021-10-16 02:30:21,924 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:30:21,929 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-16 02:30:21,932 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:30:21,933 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-10-16 02:30:21,937 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-16 02:30:21,939 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:30:21,979 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:30:21,984 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:30:21,988 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 116 [2021-10-16 02:30:21,989 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-16 02:30:21,989 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:116 [2021-10-16 02:30:22,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-16 02:30:22,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 02:30:22,204 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: No corresponding IProgramVar for |v_#length_15| at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:97) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:83) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.constructTermVarsProc(BasicPredicateFactory.java:92) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.newPredicate(BasicPredicateFactory.java:81) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.predicate(SymbolicTools.java:174) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:608) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:392) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-16 02:30:22,215 INFO L168 Benchmark]: Toolchain (without parser) took 3668.69 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 56.8 MB in the beginning and 74.0 MB in the end (delta: -17.2 MB). Peak memory consumption was 2.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:30:22,215 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 96.5 MB. Free memory is still 74.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:30:22,216 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.37 ms. Allocated memory is still 96.5 MB. Free memory was 56.6 MB in the beginning and 64.3 MB in the end (delta: -7.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 02:30:22,217 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.08 ms. Allocated memory is still 96.5 MB. Free memory was 64.3 MB in the beginning and 62.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:30:22,218 INFO L168 Benchmark]: Boogie Preprocessor took 66.22 ms. Allocated memory is still 96.5 MB. Free memory was 62.0 MB in the beginning and 60.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:30:22,218 INFO L168 Benchmark]: RCFGBuilder took 841.24 ms. Allocated memory is still 96.5 MB. Free memory was 60.3 MB in the beginning and 40.1 MB in the end (delta: 20.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-16 02:30:22,219 INFO L168 Benchmark]: TraceAbstraction took 2010.84 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 39.3 MB in the beginning and 74.0 MB in the end (delta: -34.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:30:22,224 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 96.5 MB. Free memory is still 74.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 664.37 ms. Allocated memory is still 96.5 MB. Free memory was 56.6 MB in the beginning and 64.3 MB in the end (delta: -7.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 74.08 ms. Allocated memory is still 96.5 MB. Free memory was 64.3 MB in the beginning and 62.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 66.22 ms. Allocated memory is still 96.5 MB. Free memory was 62.0 MB in the beginning and 60.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 841.24 ms. Allocated memory is still 96.5 MB. Free memory was 60.3 MB in the beginning and 40.1 MB in the end (delta: 20.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2010.84 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 39.3 MB in the beginning and 74.0 MB in the end (delta: -34.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: No corresponding IProgramVar for |v_#length_15| de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: No corresponding IProgramVar for |v_#length_15|: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:97) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-16 02:30:22,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:30:25,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:30:25,171 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:30:25,206 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:30:25,207 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:30:25,209 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:30:25,210 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:30:25,213 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:30:25,215 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:30:25,216 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:30:25,218 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:30:25,219 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:30:25,220 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:30:25,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:30:25,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:30:25,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:30:25,226 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:30:25,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:30:25,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:30:25,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:30:25,239 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:30:25,241 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:30:25,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:30:25,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:30:25,256 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:30:25,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:30:25,263 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:30:25,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:30:25,266 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:30:25,268 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:30:25,269 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:30:25,270 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:30:25,272 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:30:25,274 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:30:25,275 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:30:25,276 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:30:25,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:30:25,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:30:25,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:30:25,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:30:25,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:30:25,282 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 02:30:25,337 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:30:25,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:30:25,340 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:30:25,340 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:30:25,340 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:30:25,341 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:30:25,341 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:30:25,341 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:30:25,341 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:30:25,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:30:25,345 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:30:25,345 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:30:25,345 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:30:25,345 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:30:25,346 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:30:25,346 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:30:25,346 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:30:25,347 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 02:30:25,347 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 02:30:25,347 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:30:25,347 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:30:25,348 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:30:25,348 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:30:25,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:30:25,349 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 02:30:25,349 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:30:25,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:30:25,349 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:30:25,350 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:30:25,350 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:30:25,350 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 02:30:25,351 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 02:30:25,351 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:30:25,351 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:30:25,352 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:30:25,352 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6bad48b4609958b21373d95937ae7f736890e97 [2021-10-16 02:30:25,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:30:25,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:30:25,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:30:25,819 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:30:25,820 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:30:25,824 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/list-simple/sll2c_update_all_reverse.i [2021-10-16 02:30:25,918 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/data/9bedf3a4f/a4db69fa9e0b457398de824e6162bfe6/FLAG1d2698a9a [2021-10-16 02:30:26,615 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:30:26,616 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/sv-benchmarks/c/list-simple/sll2c_update_all_reverse.i [2021-10-16 02:30:26,632 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/data/9bedf3a4f/a4db69fa9e0b457398de824e6162bfe6/FLAG1d2698a9a [2021-10-16 02:30:26,864 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/data/9bedf3a4f/a4db69fa9e0b457398de824e6162bfe6 [2021-10-16 02:30:26,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:30:26,869 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:30:26,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:30:26,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:30:26,889 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:30:26,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:30:26" (1/1) ... [2021-10-16 02:30:26,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fa2c518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:26, skipping insertion in model container [2021-10-16 02:30:26,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:30:26" (1/1) ... [2021-10-16 02:30:26,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:30:26,980 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:30:27,432 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/sv-benchmarks/c/list-simple/sll2c_update_all_reverse.i[24436,24449] [2021-10-16 02:30:27,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:30:27,463 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:30:27,554 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/sv-benchmarks/c/list-simple/sll2c_update_all_reverse.i[24436,24449] [2021-10-16 02:30:27,555 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:30:27,595 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:30:27,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:27 WrapperNode [2021-10-16 02:30:27,596 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:30:27,597 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:30:27,598 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:30:27,598 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:30:27,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:27" (1/1) ... [2021-10-16 02:30:27,632 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:27" (1/1) ... [2021-10-16 02:30:27,691 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:30:27,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:30:27,693 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:30:27,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:30:27,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:27" (1/1) ... [2021-10-16 02:30:27,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:27" (1/1) ... [2021-10-16 02:30:27,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:27" (1/1) ... [2021-10-16 02:30:27,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:27" (1/1) ... [2021-10-16 02:30:27,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:27" (1/1) ... [2021-10-16 02:30:27,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:27" (1/1) ... [2021-10-16 02:30:27,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:27" (1/1) ... [2021-10-16 02:30:27,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:30:27,785 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:30:27,786 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:30:27,786 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:30:27,787 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:27" (1/1) ... [2021-10-16 02:30:27,801 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:30:27,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:30:27,837 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:30:27,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:30:27,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-16 02:30:27,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-16 02:30:27,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-16 02:30:27,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:30:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-16 02:30:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 02:30:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-16 02:30:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 02:30:27,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:30:27,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:30:28,571 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:30:28,574 INFO L299 CfgBuilder]: Removed 26 assume(true) statements. [2021-10-16 02:30:28,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:30:28 BoogieIcfgContainer [2021-10-16 02:30:28,577 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:30:28,581 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:30:28,581 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:30:28,585 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:30:28,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:30:26" (1/3) ... [2021-10-16 02:30:28,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25ad976c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:30:28, skipping insertion in model container [2021-10-16 02:30:28,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:27" (2/3) ... [2021-10-16 02:30:28,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25ad976c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:30:28, skipping insertion in model container [2021-10-16 02:30:28,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:30:28" (3/3) ... [2021-10-16 02:30:28,590 INFO L111 eAbstractionObserver]: Analyzing ICFG sll2c_update_all_reverse.i [2021-10-16 02:30:28,599 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:30:28,599 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 02:30:28,710 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:30:28,722 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 02:30:28,722 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 02:30:28,750 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 32 states have (on average 1.53125) internal successors, (49), 33 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:30:28,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-16 02:30:28,773 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:30:28,774 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:30:28,775 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:30:28,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:30:28,782 INFO L82 PathProgramCache]: Analyzing trace with hash 680767129, now seen corresponding path program 1 times [2021-10-16 02:30:28,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:30:28,801 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1623886070] [2021-10-16 02:30:28,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:30:28,803 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:30:28,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:30:28,810 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:30:28,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 02:30:28,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:30:29,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-16 02:30:29,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:30:29,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:30:29,117 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:30:29,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:30:29,221 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:30:29,221 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1623886070] [2021-10-16 02:30:29,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1623886070] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:30:29,222 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:30:29,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-16 02:30:29,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110075185] [2021-10-16 02:30:29,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-16 02:30:29,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:30:29,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-16 02:30:29,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 02:30:29,260 INFO L87 Difference]: Start difference. First operand has 34 states, 32 states have (on average 1.53125) internal successors, (49), 33 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:30:29,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:30:29,286 INFO L93 Difference]: Finished difference Result 57 states and 83 transitions. [2021-10-16 02:30:29,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 02:30:29,288 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-16 02:30:29,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:30:29,298 INFO L225 Difference]: With dead ends: 57 [2021-10-16 02:30:29,298 INFO L226 Difference]: Without dead ends: 24 [2021-10-16 02:30:29,302 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 02:30:29,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2021-10-16 02:30:29,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2021-10-16 02:30:29,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 23 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:30:29,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2021-10-16 02:30:29,352 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 16 [2021-10-16 02:30:29,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:30:29,353 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2021-10-16 02:30:29,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:30:29,355 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2021-10-16 02:30:29,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-16 02:30:29,356 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:30:29,357 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:30:29,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-16 02:30:29,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:30:29,574 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:30:29,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:30:29,575 INFO L82 PathProgramCache]: Analyzing trace with hash 68282379, now seen corresponding path program 1 times [2021-10-16 02:30:29,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:30:29,576 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [730627322] [2021-10-16 02:30:29,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:30:29,576 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:30:29,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:30:29,581 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:30:29,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-16 02:30:29,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:30:29,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-16 02:30:29,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:30:29,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:30:29,817 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:30:29,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:30:29,961 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:30:29,961 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [730627322] [2021-10-16 02:30:29,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [730627322] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:30:29,962 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:30:29,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-16 02:30:29,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654747229] [2021-10-16 02:30:29,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:30:29,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:30:29,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:30:29,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:30:29,966 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:30:30,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:30:30,002 INFO L93 Difference]: Finished difference Result 43 states and 51 transitions. [2021-10-16 02:30:30,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 02:30:30,003 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-16 02:30:30,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:30:30,005 INFO L225 Difference]: With dead ends: 43 [2021-10-16 02:30:30,005 INFO L226 Difference]: Without dead ends: 28 [2021-10-16 02:30:30,006 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:30:30,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2021-10-16 02:30:30,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 25. [2021-10-16 02:30:30,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 24 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:30:30,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2021-10-16 02:30:30,013 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 16 [2021-10-16 02:30:30,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:30:30,014 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2021-10-16 02:30:30,014 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:30:30,014 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2021-10-16 02:30:30,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-16 02:30:30,015 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:30:30,016 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:30:30,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-16 02:30:30,251 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:30:30,252 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:30:30,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:30:30,252 INFO L82 PathProgramCache]: Analyzing trace with hash -301628989, now seen corresponding path program 1 times [2021-10-16 02:30:30,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:30:30,254 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1790438117] [2021-10-16 02:30:30,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:30:30,254 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:30:30,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:30:30,264 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:30:30,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-16 02:30:30,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:30:30,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-16 02:30:30,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:30:30,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-16 02:30:30,558 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:30:30,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-16 02:30:30,703 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:30:30,704 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1790438117] [2021-10-16 02:30:30,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1790438117] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:30:30,705 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:30:30,705 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-16 02:30:30,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440541341] [2021-10-16 02:30:30,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 02:30:30,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:30:30,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 02:30:30,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-16 02:30:30,712 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:30:30,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:30:30,831 INFO L93 Difference]: Finished difference Result 48 states and 57 transitions. [2021-10-16 02:30:30,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 02:30:30,833 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-10-16 02:30:30,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:30:30,835 INFO L225 Difference]: With dead ends: 48 [2021-10-16 02:30:30,835 INFO L226 Difference]: Without dead ends: 39 [2021-10-16 02:30:30,836 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 47.8ms TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-10-16 02:30:30,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-10-16 02:30:30,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 30. [2021-10-16 02:30:30,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.206896551724138) internal successors, (35), 29 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:30:30,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 35 transitions. [2021-10-16 02:30:30,852 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 35 transitions. Word has length 20 [2021-10-16 02:30:30,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:30:30,853 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 35 transitions. [2021-10-16 02:30:30,853 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:30:30,853 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2021-10-16 02:30:30,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-16 02:30:30,856 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:30:30,857 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:30:30,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-16 02:30:31,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:30:31,072 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:30:31,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:30:31,073 INFO L82 PathProgramCache]: Analyzing trace with hash -1046019817, now seen corresponding path program 1 times [2021-10-16 02:30:31,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:30:31,074 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [465333428] [2021-10-16 02:30:31,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:30:31,075 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:30:31,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:30:31,076 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:30:31,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-16 02:30:31,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:30:31,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 02:30:31,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:30:31,490 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-16 02:30:31,491 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:30:31,707 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-16 02:30:31,707 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:30:31,707 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [465333428] [2021-10-16 02:30:31,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [465333428] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:30:31,708 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:30:31,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-16 02:30:31,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222552924] [2021-10-16 02:30:31,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-16 02:30:31,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:30:31,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-16 02:30:31,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-16 02:30:31,710 INFO L87 Difference]: Start difference. First operand 30 states and 35 transitions. Second operand has 8 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:30:31,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:30:31,814 INFO L93 Difference]: Finished difference Result 55 states and 65 transitions. [2021-10-16 02:30:31,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 02:30:31,815 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-10-16 02:30:31,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:30:31,816 INFO L225 Difference]: With dead ends: 55 [2021-10-16 02:30:31,816 INFO L226 Difference]: Without dead ends: 39 [2021-10-16 02:30:31,817 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 100.0ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-16 02:30:31,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-10-16 02:30:31,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 31. [2021-10-16 02:30:31,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.2) internal successors, (36), 30 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:30:31,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 36 transitions. [2021-10-16 02:30:31,826 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 36 transitions. Word has length 28 [2021-10-16 02:30:31,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:30:31,826 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 36 transitions. [2021-10-16 02:30:31,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:30:31,827 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2021-10-16 02:30:31,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-16 02:30:31,828 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:30:31,829 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:30:31,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-16 02:30:32,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:30:32,043 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:30:32,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:30:32,044 INFO L82 PathProgramCache]: Analyzing trace with hash -1715992049, now seen corresponding path program 1 times [2021-10-16 02:30:32,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:30:32,045 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [507233757] [2021-10-16 02:30:32,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:30:32,045 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:30:32,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:30:32,047 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:30:32,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-16 02:30:32,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:30:32,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 02:30:32,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:30:32,404 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-16 02:30:32,404 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:30:32,596 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-16 02:30:32,596 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:30:32,596 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [507233757] [2021-10-16 02:30:32,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [507233757] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:30:32,597 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:30:32,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-16 02:30:32,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016764180] [2021-10-16 02:30:32,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-16 02:30:32,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:30:32,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-16 02:30:32,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-16 02:30:32,600 INFO L87 Difference]: Start difference. First operand 31 states and 36 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:30:32,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:30:32,689 INFO L93 Difference]: Finished difference Result 48 states and 56 transitions. [2021-10-16 02:30:32,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 02:30:32,690 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-10-16 02:30:32,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:30:32,690 INFO L225 Difference]: With dead ends: 48 [2021-10-16 02:30:32,691 INFO L226 Difference]: Without dead ends: 40 [2021-10-16 02:30:32,692 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 75.6ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-16 02:30:32,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-10-16 02:30:32,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 33. [2021-10-16 02:30:32,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.1875) internal successors, (38), 32 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:30:32,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2021-10-16 02:30:32,700 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 38 transitions. Word has length 29 [2021-10-16 02:30:32,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:30:32,701 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 38 transitions. [2021-10-16 02:30:32,701 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:30:32,702 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2021-10-16 02:30:32,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-16 02:30:32,703 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:30:32,703 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:30:32,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-16 02:30:32,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:30:32,920 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:30:32,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:30:32,920 INFO L82 PathProgramCache]: Analyzing trace with hash -1604492065, now seen corresponding path program 1 times [2021-10-16 02:30:32,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:30:32,921 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [120331743] [2021-10-16 02:30:32,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:30:32,922 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:30:32,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:30:32,923 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:30:32,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-16 02:30:33,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:30:33,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 53 conjunts are in the unsatisfiable core [2021-10-16 02:30:33,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:30:33,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-10-16 02:30:33,420 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-16 02:30:33,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 17 treesize of output 17 [2021-10-16 02:30:33,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-10-16 02:30:33,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-10-16 02:30:33,689 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-16 02:30:33,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 33 [2021-10-16 02:30:33,700 INFO L388 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 39 treesize of output 31 [2021-10-16 02:30:34,597 INFO L354 Elim1Store]: treesize reduction 159, result has 15.0 percent of original size [2021-10-16 02:30:34,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 138 treesize of output 119 [2021-10-16 02:30:34,627 INFO L388 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 109 treesize of output 101 [2021-10-16 02:30:34,851 INFO L354 Elim1Store]: treesize reduction 84, result has 21.5 percent of original size [2021-10-16 02:30:34,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 94 [2021-10-16 02:30:35,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:30:35,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 61 [2021-10-16 02:30:35,365 INFO L354 Elim1Store]: treesize reduction 59, result has 22.4 percent of original size [2021-10-16 02:30:35,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 61 [2021-10-16 02:30:35,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:30:35,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 33 [2021-10-16 02:30:35,829 INFO L388 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 54 treesize of output 42 [2021-10-16 02:30:35,843 INFO L388 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 39 treesize of output 31 [2021-10-16 02:30:36,066 INFO L388 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 33 treesize of output 21 [2021-10-16 02:30:36,448 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-16 02:30:36,448 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:30:37,262 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:30:37,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-10-16 02:30:37,268 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:30:37,270 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-10-16 02:30:40,891 INFO L388 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 278 treesize of output 254 [2021-10-16 02:30:40,898 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:30:40,910 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 294 [2021-10-16 02:30:40,919 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:30:40,923 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 334 [2021-10-16 02:31:17,052 INFO L354 Elim1Store]: treesize reduction 360, result has 37.4 percent of original size [2021-10-16 02:31:17,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 545 treesize of output 531 [2021-10-16 02:31:20,636 INFO L354 Elim1Store]: treesize reduction 157, result has 43.9 percent of original size [2021-10-16 02:31:20,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 488 treesize of output 446 [2021-10-16 02:31:20,771 INFO L354 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2021-10-16 02:31:20,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 448 treesize of output 454 [2021-10-16 02:31:20,859 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:31:20,860 INFO L388 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 454 treesize of output 454 [2021-10-16 02:31:21,094 INFO L354 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2021-10-16 02:31:21,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 454 treesize of output 462 [2021-10-16 02:31:21,225 INFO L354 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2021-10-16 02:31:21,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 462 treesize of output 468 [2021-10-16 02:31:21,387 INFO L354 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2021-10-16 02:31:21,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 468 treesize of output 474 [2021-10-16 02:31:21,439 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-10-16 02:31:21,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2021-10-16 02:31:22,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2021-10-16 02:31:22,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2021-10-16 02:31:22,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 [2021-10-16 02:31:22,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2021-10-16 02:31:23,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2021-10-16 02:31:23,592 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-10-16 02:31:23,746 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 02:31:23,794 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:31:23,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 137 treesize of output 137 [2021-10-16 02:31:24,153 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 02:31:24,276 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:31:24,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 70 treesize of output 88 [2021-10-16 02:31:25,126 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 02:31:25,224 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:31:25,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 85 [2021-10-16 02:31:25,907 INFO L354 Elim1Store]: treesize reduction 10, result has 65.5 percent of original size [2021-10-16 02:31:25,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 290 treesize of output 288 [2021-10-16 02:31:26,030 INFO L354 Elim1Store]: treesize reduction 10, result has 65.5 percent of original size [2021-10-16 02:31:26,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 288 treesize of output 286 [2021-10-16 02:31:27,980 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:31:27,980 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:31:27,981 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [120331743] [2021-10-16 02:31:27,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [120331743] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:31:27,981 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [772675277] [2021-10-16 02:31:27,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:31:27,982 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 02:31:27,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 02:31:27,985 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 02:31:27,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-10-16 02:31:28,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:31:28,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 51 conjunts are in the unsatisfiable core [2021-10-16 02:31:28,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:31:28,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-10-16 02:31:29,049 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-16 02:31:29,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 19 treesize of output 19 [2021-10-16 02:31:29,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-10-16 02:31:29,816 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-16 02:31:29,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 22 [2021-10-16 02:31:31,132 INFO L354 Elim1Store]: treesize reduction 159, result has 15.0 percent of original size [2021-10-16 02:31:31,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 127 treesize of output 112 [2021-10-16 02:31:31,139 INFO L388 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 98 treesize of output 90 [2021-10-16 02:31:31,174 INFO L354 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2021-10-16 02:31:31,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 76 [2021-10-16 02:31:31,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:31:31,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 61 [2021-10-16 02:31:31,956 INFO L354 Elim1Store]: treesize reduction 59, result has 22.4 percent of original size [2021-10-16 02:31:31,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 61 [2021-10-16 02:31:31,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:31:31,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 33 [2021-10-16 02:31:32,785 INFO L388 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 40 treesize of output 28 [2021-10-16 02:31:32,789 INFO L388 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 25 treesize of output 17 [2021-10-16 02:31:33,036 INFO L388 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 19 treesize of output 7 [2021-10-16 02:31:33,433 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-16 02:31:33,433 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:31:33,515 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:31:33,518 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-10-16 02:31:33,521 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:31:33,531 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-10-16 02:31:41,327 INFO L388 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 278 treesize of output 254 [2021-10-16 02:31:41,332 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:31:41,336 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 294 [2021-10-16 02:31:41,341 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:31:41,345 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 334 [2021-10-16 02:31:42,937 INFO L354 Elim1Store]: treesize reduction 19, result has 64.8 percent of original size [2021-10-16 02:31:42,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 112 treesize of output 118 [2021-10-16 02:31:43,035 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:31:43,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 118 treesize of output 140 [2021-10-16 02:31:43,494 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-16 02:31:43,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 7 treesize of output 5 [2021-10-16 02:31:43,560 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:31:43,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 99 treesize of output 97 [2021-10-16 02:31:43,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 88 treesize of output 86 [2021-10-16 02:31:44,239 INFO L354 Elim1Store]: treesize reduction 19, result has 64.8 percent of original size [2021-10-16 02:31:44,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 112 treesize of output 100 [2021-10-16 02:31:44,346 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:31:44,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 100 treesize of output 120 [2021-10-16 02:31:44,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 81 treesize of output 77 [2021-10-16 02:31:44,759 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:31:44,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 108 treesize of output 110 [2021-10-16 02:31:45,377 INFO L354 Elim1Store]: treesize reduction 19, result has 64.8 percent of original size [2021-10-16 02:31:45,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 71 treesize of output 85 [2021-10-16 02:31:45,397 INFO L388 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 63 [2021-10-16 02:31:45,427 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:31:45,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 76 treesize of output 80 [2021-10-16 02:31:52,608 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_sll_circular_create_~last~0.offset (_ BitVec 32))) (not (= (select (select (store |c_#memory_$Pointer$.base| c_ULTIMATE.start_sll_circular_create_~last~0.base (store (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_sll_circular_create_~last~0.base) ULTIMATE.start_sll_circular_create_~last~0.offset c_ULTIMATE.start_sll_circular_create_~head~0.base)) c_ULTIMATE.start_sll_circular_create_~head~0.base) c_ULTIMATE.start_sll_circular_create_~head~0.offset) c_ULTIMATE.start_sll_circular_create_~head~0.base))) is different from false [2021-10-16 02:31:53,370 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2021-10-16 02:31:53,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [772675277] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:31:53,370 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540608623] [2021-10-16 02:31:53,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:31:53,371 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 02:31:53,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:31:53,372 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 02:31:53,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-16 02:31:53,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:31:53,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 54 conjunts are in the unsatisfiable core [2021-10-16 02:31:53,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:31:53,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-10-16 02:31:54,572 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-16 02:31:54,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 18 treesize of output 18 [2021-10-16 02:31:55,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-10-16 02:31:55,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-10-16 02:31:55,400 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-16 02:31:55,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 40 [2021-10-16 02:31:55,430 INFO L354 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2021-10-16 02:31:55,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 41 [2021-10-16 02:31:57,395 INFO L354 Elim1Store]: treesize reduction 86, result has 22.5 percent of original size [2021-10-16 02:31:57,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 145 treesize of output 120 [2021-10-16 02:31:57,403 INFO L388 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 116 treesize of output 108 [2021-10-16 02:31:57,458 INFO L354 Elim1Store]: treesize reduction 84, result has 21.5 percent of original size [2021-10-16 02:31:57,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 108 treesize of output 97 [2021-10-16 02:31:58,231 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-10-16 02:31:58,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 68 [2021-10-16 02:31:58,272 INFO L354 Elim1Store]: treesize reduction 59, result has 22.4 percent of original size [2021-10-16 02:31:58,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 68 [2021-10-16 02:31:58,298 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-10-16 02:31:58,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 36 [2021-10-16 02:31:59,343 INFO L388 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 47 treesize of output 35 [2021-10-16 02:31:59,357 INFO L388 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 32 treesize of output 20 [2021-10-16 02:31:59,642 INFO L388 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 15 treesize of output 7 [2021-10-16 02:31:59,661 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-16 02:31:59,661 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:32:02,558 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:32:02,560 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-10-16 02:32:02,565 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:32:02,566 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-10-16 02:32:06,273 INFO L388 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 278 treesize of output 254 [2021-10-16 02:32:06,296 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:32:06,299 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 294 [2021-10-16 02:32:06,306 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:32:06,308 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 334 [2021-10-16 02:32:24,115 INFO L354 Elim1Store]: treesize reduction 360, result has 37.4 percent of original size [2021-10-16 02:32:24,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 545 treesize of output 531 [2021-10-16 02:32:27,966 INFO L354 Elim1Store]: treesize reduction 157, result has 43.9 percent of original size [2021-10-16 02:32:27,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 488 treesize of output 446 [2021-10-16 02:32:28,073 INFO L354 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2021-10-16 02:32:28,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 448 treesize of output 454 [2021-10-16 02:32:28,119 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:32:28,120 INFO L388 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 454 treesize of output 454 [2021-10-16 02:32:28,300 INFO L354 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2021-10-16 02:32:28,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 454 treesize of output 462 [2021-10-16 02:32:28,470 INFO L354 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2021-10-16 02:32:28,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 462 treesize of output 468 [2021-10-16 02:32:28,722 INFO L354 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2021-10-16 02:32:28,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 468 treesize of output 474 [2021-10-16 02:32:28,794 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-10-16 02:32:29,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2021-10-16 02:32:29,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2021-10-16 02:32:29,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 [2021-10-16 02:32:29,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2021-10-16 02:32:29,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2021-10-16 02:32:29,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2021-10-16 02:32:30,104 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-10-16 02:32:30,446 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:32:30,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 323 treesize of output 341 [2021-10-16 02:32:30,587 INFO L354 Elim1Store]: treesize reduction 10, result has 65.5 percent of original size [2021-10-16 02:32:30,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 354 treesize of output 358 [2021-10-16 02:32:41,593 INFO L354 Elim1Store]: treesize reduction 10, result has 65.5 percent of original size [2021-10-16 02:32:41,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 323 treesize of output 303 [2021-10-16 02:32:53,546 INFO L354 Elim1Store]: treesize reduction 10, result has 65.5 percent of original size [2021-10-16 02:32:53,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 179 treesize of output 181 [2021-10-16 02:32:55,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2021-10-16 02:32:55,236 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-16 02:32:55,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 33 treesize of output 29 [2021-10-16 02:32:57,288 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:32:57,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540608623] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:32:57,288 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-16 02:32:57,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 20, 19, 20, 19, 20] total 88 [2021-10-16 02:32:57,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85929712] [2021-10-16 02:32:57,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2021-10-16 02:32:57,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:32:57,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2021-10-16 02:32:57,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=365, Invalid=7101, Unknown=20, NotChecked=170, Total=7656 [2021-10-16 02:32:57,297 INFO L87 Difference]: Start difference. First operand 33 states and 38 transitions. Second operand has 88 states, 88 states have (on average 1.5795454545454546) internal successors, (139), 88 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:33:07,884 WARN L838 $PredicateComparison]: unable to prove that (and (not (= (_ bv0 1) (bvneg (bvneg (bvneg (select |c_#valid| c_ULTIMATE.start_sll_circular_create_~head~0.base)))))) (= (_ bv0 1) (bvadd (bvneg (bvneg (select |c_#valid| |c_ULTIMATE.start_node_create_#res.base|))) (_ bv1 1))) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (select |c_#valid| c_ULTIMATE.start_node_create_~temp~0.base)))) (= c_ULTIMATE.start_main_~len~0 (_ bv2 32)) (not (= (_ bv0 1) (select |c_#valid| c_ULTIMATE.start_sll_circular_create_~last~0.base))) (= |c_ULTIMATE.start_node_create_#res.offset| (_ bv0 32)) (forall ((ULTIMATE.start_sll_circular_create_~last~0.offset (_ BitVec 32))) (not (= (select (select (store |c_#memory_$Pointer$.base| c_ULTIMATE.start_sll_circular_create_~last~0.base (store (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_sll_circular_create_~last~0.base) ULTIMATE.start_sll_circular_create_~last~0.offset c_ULTIMATE.start_sll_circular_create_~head~0.base)) c_ULTIMATE.start_sll_circular_create_~head~0.base) c_ULTIMATE.start_sll_circular_create_~head~0.offset) c_ULTIMATE.start_sll_circular_create_~head~0.base))) (= (_ bv0 32) c_ULTIMATE.start_node_create_~temp~0.offset) (forall ((ULTIMATE.start_sll_circular_create_~last~0.offset (_ BitVec 32))) (or (forall ((v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32))) (not (= c_ULTIMATE.start_sll_circular_create_~head~0.base (select (store (select (let ((.cse0 (store |c_#memory_$Pointer$.base| c_ULTIMATE.start_sll_circular_create_~last~0.base (store (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_sll_circular_create_~last~0.base) ULTIMATE.start_sll_circular_create_~last~0.offset c_ULTIMATE.start_sll_circular_create_~head~0.base)))) (let ((.cse1 (select (select .cse0 c_ULTIMATE.start_sll_circular_create_~head~0.base) c_ULTIMATE.start_sll_circular_create_~head~0.offset))) (store .cse0 .cse1 (store (select .cse0 .cse1) (bvadd (_ bv4 32) (select (select (store |c_#memory_$Pointer$.offset| c_ULTIMATE.start_sll_circular_create_~last~0.base (store (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_sll_circular_create_~last~0.base) ULTIMATE.start_sll_circular_create_~last~0.offset c_ULTIMATE.start_sll_circular_create_~head~0.offset)) c_ULTIMATE.start_sll_circular_create_~head~0.base) c_ULTIMATE.start_sll_circular_create_~head~0.offset)) v_DerPreprocessor_4)))) c_ULTIMATE.start_sll_circular_create_~head~0.base) (bvadd c_ULTIMATE.start_sll_circular_create_~head~0.offset (_ bv4 32)) v_DerPreprocessor_1) c_ULTIMATE.start_sll_circular_create_~head~0.offset)))) (forall ((v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32))) (not (= c_ULTIMATE.start_sll_circular_create_~head~0.offset (select (store (select (let ((.cse3 (select (select (store |c_#memory_$Pointer$.base| c_ULTIMATE.start_sll_circular_create_~last~0.base (store (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_sll_circular_create_~last~0.base) ULTIMATE.start_sll_circular_create_~last~0.offset c_ULTIMATE.start_sll_circular_create_~head~0.base)) c_ULTIMATE.start_sll_circular_create_~head~0.base) c_ULTIMATE.start_sll_circular_create_~head~0.offset)) (.cse2 (store |c_#memory_$Pointer$.offset| c_ULTIMATE.start_sll_circular_create_~last~0.base (store (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_sll_circular_create_~last~0.base) ULTIMATE.start_sll_circular_create_~last~0.offset c_ULTIMATE.start_sll_circular_create_~head~0.offset)))) (store .cse2 .cse3 (store (select .cse2 .cse3) (bvadd (_ bv4 32) (select (select .cse2 c_ULTIMATE.start_sll_circular_create_~head~0.base) c_ULTIMATE.start_sll_circular_create_~head~0.offset)) v_DerPreprocessor_3))) c_ULTIMATE.start_sll_circular_create_~head~0.base) (bvadd c_ULTIMATE.start_sll_circular_create_~head~0.offset (_ bv4 32)) v_DerPreprocessor_2) c_ULTIMATE.start_sll_circular_create_~head~0.offset))))))) is different from false [2021-10-16 02:33:10,585 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((ULTIMATE.start_sll_circular_create_~last~0.offset (_ BitVec 32))) (not (= (select (select (store |c_#memory_$Pointer$.base| c_ULTIMATE.start_sll_circular_create_~last~0.base (store (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_sll_circular_create_~last~0.base) ULTIMATE.start_sll_circular_create_~last~0.offset c_ULTIMATE.start_sll_circular_create_~head~0.base)) c_ULTIMATE.start_sll_circular_create_~head~0.base) c_ULTIMATE.start_sll_circular_create_~head~0.offset) c_ULTIMATE.start_sll_circular_create_~head~0.base))) (forall ((ULTIMATE.start_sll_circular_create_~last~0.offset (_ BitVec 32))) (or (forall ((v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32))) (not (= c_ULTIMATE.start_sll_circular_create_~head~0.base (select (store (select (let ((.cse0 (store |c_#memory_$Pointer$.base| c_ULTIMATE.start_sll_circular_create_~last~0.base (store (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_sll_circular_create_~last~0.base) ULTIMATE.start_sll_circular_create_~last~0.offset c_ULTIMATE.start_sll_circular_create_~head~0.base)))) (let ((.cse1 (select (select .cse0 c_ULTIMATE.start_sll_circular_create_~head~0.base) c_ULTIMATE.start_sll_circular_create_~head~0.offset))) (store .cse0 .cse1 (store (select .cse0 .cse1) (bvadd (_ bv4 32) (select (select (store |c_#memory_$Pointer$.offset| c_ULTIMATE.start_sll_circular_create_~last~0.base (store (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_sll_circular_create_~last~0.base) ULTIMATE.start_sll_circular_create_~last~0.offset c_ULTIMATE.start_sll_circular_create_~head~0.offset)) c_ULTIMATE.start_sll_circular_create_~head~0.base) c_ULTIMATE.start_sll_circular_create_~head~0.offset)) v_DerPreprocessor_4)))) c_ULTIMATE.start_sll_circular_create_~head~0.base) (bvadd c_ULTIMATE.start_sll_circular_create_~head~0.offset (_ bv4 32)) v_DerPreprocessor_1) c_ULTIMATE.start_sll_circular_create_~head~0.offset)))) (forall ((v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32))) (not (= c_ULTIMATE.start_sll_circular_create_~head~0.offset (select (store (select (let ((.cse3 (select (select (store |c_#memory_$Pointer$.base| c_ULTIMATE.start_sll_circular_create_~last~0.base (store (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_sll_circular_create_~last~0.base) ULTIMATE.start_sll_circular_create_~last~0.offset c_ULTIMATE.start_sll_circular_create_~head~0.base)) c_ULTIMATE.start_sll_circular_create_~head~0.base) c_ULTIMATE.start_sll_circular_create_~head~0.offset)) (.cse2 (store |c_#memory_$Pointer$.offset| c_ULTIMATE.start_sll_circular_create_~last~0.base (store (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_sll_circular_create_~last~0.base) ULTIMATE.start_sll_circular_create_~last~0.offset c_ULTIMATE.start_sll_circular_create_~head~0.offset)))) (store .cse2 .cse3 (store (select .cse2 .cse3) (bvadd (_ bv4 32) (select (select .cse2 c_ULTIMATE.start_sll_circular_create_~head~0.base) c_ULTIMATE.start_sll_circular_create_~head~0.offset)) v_DerPreprocessor_3))) c_ULTIMATE.start_sll_circular_create_~head~0.base) (bvadd c_ULTIMATE.start_sll_circular_create_~head~0.offset (_ bv4 32)) v_DerPreprocessor_2) c_ULTIMATE.start_sll_circular_create_~head~0.offset))))))) is different from false [2021-10-16 02:34:09,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:34:09,536 INFO L93 Difference]: Finished difference Result 177 states and 213 transitions. [2021-10-16 02:34:09,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-10-16 02:34:09,537 INFO L78 Accepts]: Start accepts. Automaton has has 88 states, 88 states have (on average 1.5795454545454546) internal successors, (139), 88 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-10-16 02:34:09,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:34:09,540 INFO L225 Difference]: With dead ends: 177 [2021-10-16 02:34:09,541 INFO L226 Difference]: Without dead ends: 175 [2021-10-16 02:34:09,551 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 82 SyntacticMatches, 6 SemanticMatches, 129 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 4853 ImplicationChecksByTransitivity, 118309.5ms TimeCoverageRelationStatistics Valid=1438, Invalid=14805, Unknown=25, NotChecked=762, Total=17030 [2021-10-16 02:34:09,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2021-10-16 02:34:09,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 76. [2021-10-16 02:34:09,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 75 states have (on average 1.2133333333333334) internal successors, (91), 75 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:34:09,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 91 transitions. [2021-10-16 02:34:09,578 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 91 transitions. Word has length 30 [2021-10-16 02:34:09,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:34:09,579 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 91 transitions. [2021-10-16 02:34:09,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 1.5795454545454546) internal successors, (139), 88 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:34:09,580 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 91 transitions. [2021-10-16 02:34:09,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-16 02:34:09,581 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:34:09,581 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:34:09,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-10-16 02:34:09,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-16 02:34:10,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-16 02:34:10,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 02:34:10,188 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:34:10,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:34:10,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1852007439, now seen corresponding path program 2 times [2021-10-16 02:34:10,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:34:10,189 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1053476994] [2021-10-16 02:34:10,189 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-16 02:34:10,189 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:34:10,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:34:10,191 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:34:10,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-16 02:34:10,552 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-16 02:34:10,553 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-16 02:34:10,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-16 02:34:10,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:34:10,728 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-16 02:34:10,729 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:34:10,956 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-16 02:34:10,957 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:34:10,957 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1053476994] [2021-10-16 02:34:10,957 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1053476994] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:34:10,957 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [666203130] [2021-10-16 02:34:10,957 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-16 02:34:10,957 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 02:34:10,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 02:34:10,958 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 02:34:10,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2021-10-16 02:34:11,545 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-16 02:34:11,546 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-16 02:34:11,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-16 02:34:11,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:34:11,711 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-16 02:34:11,711 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:34:11,916 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-16 02:34:11,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [666203130] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:34:11,916 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1293831287] [2021-10-16 02:34:11,916 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-16 02:34:11,917 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 02:34:11,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:34:11,922 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 02:34:11,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-10-16 02:34:12,384 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-16 02:34:12,384 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-16 02:34:12,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-16 02:34:12,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:34:12,543 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-16 02:34:12,543 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:34:13,146 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-16 02:34:13,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1293831287] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:34:13,147 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-16 02:34:13,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 7] total 15 [2021-10-16 02:34:13,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139220328] [2021-10-16 02:34:13,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 02:34:13,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:34:13,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 02:34:13,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2021-10-16 02:34:13,148 INFO L87 Difference]: Start difference. First operand 76 states and 91 transitions. Second operand has 15 states, 15 states have (on average 4.666666666666667) internal successors, (70), 15 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:34:14,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:34:14,257 INFO L93 Difference]: Finished difference Result 132 states and 161 transitions. [2021-10-16 02:34:14,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-16 02:34:14,257 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.666666666666667) internal successors, (70), 15 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-10-16 02:34:14,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:34:14,260 INFO L225 Difference]: With dead ends: 132 [2021-10-16 02:34:14,261 INFO L226 Difference]: Without dead ends: 124 [2021-10-16 02:34:14,262 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 1104.2ms TimeCoverageRelationStatistics Valid=240, Invalid=630, Unknown=0, NotChecked=0, Total=870 [2021-10-16 02:34:14,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-10-16 02:34:14,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 92. [2021-10-16 02:34:14,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 91 states have (on average 1.2197802197802199) internal successors, (111), 91 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:34:14,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 111 transitions. [2021-10-16 02:34:14,284 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 111 transitions. Word has length 31 [2021-10-16 02:34:14,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:34:14,285 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 111 transitions. [2021-10-16 02:34:14,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.666666666666667) internal successors, (70), 15 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:34:14,285 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 111 transitions. [2021-10-16 02:34:14,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-16 02:34:14,287 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:34:14,287 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:34:14,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2021-10-16 02:34:14,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-10-16 02:34:14,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-16 02:34:14,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:34:14,890 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:34:14,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:34:14,891 INFO L82 PathProgramCache]: Analyzing trace with hash -1296538005, now seen corresponding path program 3 times [2021-10-16 02:34:14,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:34:14,891 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [662046633] [2021-10-16 02:34:14,891 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-16 02:34:14,891 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:34:14,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:34:14,892 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:34:14,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-16 02:34:15,307 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-10-16 02:34:15,307 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-16 02:34:15,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-16 02:34:15,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:34:15,447 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-16 02:34:15,447 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:34:15,660 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-16 02:34:15,661 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:34:15,661 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [662046633] [2021-10-16 02:34:15,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [662046633] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:34:15,661 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [520082517] [2021-10-16 02:34:15,661 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-16 02:34:15,661 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 02:34:15,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 02:34:15,662 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 02:34:15,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2021-10-16 02:34:16,154 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-16 02:34:16,154 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1078036679] [2021-10-16 02:34:16,154 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-16 02:34:16,155 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 02:34:16,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 1 [2021-10-16 02:34:16,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:34:16,163 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 02:34:16,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-10-16 02:34:17,637 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-10-16 02:34:17,637 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-16 02:34:17,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-16 02:34:17,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:34:17,787 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-16 02:34:17,787 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:34:17,982 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-16 02:34:17,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1078036679] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-16 02:34:17,983 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2021-10-16 02:34:17,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 6, 6] total 14 [2021-10-16 02:34:17,983 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686710483] [2021-10-16 02:34:17,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 02:34:17,984 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:34:17,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 02:34:17,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-10-16 02:34:17,985 INFO L87 Difference]: Start difference. First operand 92 states and 111 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:34:18,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:34:18,135 INFO L93 Difference]: Finished difference Result 123 states and 150 transitions. [2021-10-16 02:34:18,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 02:34:18,137 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-10-16 02:34:18,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:34:18,138 INFO L225 Difference]: With dead ends: 123 [2021-10-16 02:34:18,138 INFO L226 Difference]: Without dead ends: 96 [2021-10-16 02:34:18,139 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 284.7ms TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2021-10-16 02:34:18,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2021-10-16 02:34:18,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 92. [2021-10-16 02:34:18,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 91 states have (on average 1.2197802197802199) internal successors, (111), 91 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:34:18,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 111 transitions. [2021-10-16 02:34:18,167 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 111 transitions. Word has length 31 [2021-10-16 02:34:18,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:34:18,167 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 111 transitions. [2021-10-16 02:34:18,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:34:18,168 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 111 transitions. [2021-10-16 02:34:18,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-16 02:34:18,169 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:34:18,170 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:34:18,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-10-16 02:34:18,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-10-16 02:34:18,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 02:34:18,584 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:34:18,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:34:18,584 INFO L82 PathProgramCache]: Analyzing trace with hash -1202712617, now seen corresponding path program 4 times [2021-10-16 02:34:18,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:34:18,584 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [534430008] [2021-10-16 02:34:18,585 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-16 02:34:18,585 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:34:18,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:34:18,585 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:34:18,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-10-16 02:34:18,939 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-16 02:34:18,939 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-16 02:34:18,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-16 02:34:18,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:34:19,092 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-16 02:34:19,092 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:34:19,317 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-16 02:34:19,317 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:34:19,317 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [534430008] [2021-10-16 02:34:19,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [534430008] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:34:19,318 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1693367850] [2021-10-16 02:34:19,318 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-16 02:34:19,318 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 02:34:19,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 02:34:19,321 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 02:34:19,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2021-10-16 02:34:19,826 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-16 02:34:19,826 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-16 02:34:19,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-16 02:34:19,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:34:19,943 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-16 02:34:19,943 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:34:20,061 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-16 02:34:20,062 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1693367850] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:34:20,062 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [980183804] [2021-10-16 02:34:20,062 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-16 02:34:20,062 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 02:34:20,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:34:20,063 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 02:34:20,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-10-16 02:34:20,489 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-16 02:34:20,489 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-16 02:34:20,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-16 02:34:20,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:34:20,584 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-16 02:34:20,584 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:34:21,060 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-16 02:34:21,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [980183804] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:34:21,060 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-16 02:34:21,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 7] total 15 [2021-10-16 02:34:21,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672998253] [2021-10-16 02:34:21,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 02:34:21,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:34:21,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 02:34:21,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2021-10-16 02:34:21,062 INFO L87 Difference]: Start difference. First operand 92 states and 111 transitions. Second operand has 15 states, 15 states have (on average 3.8) internal successors, (57), 15 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:34:22,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:34:22,171 INFO L93 Difference]: Finished difference Result 210 states and 253 transitions. [2021-10-16 02:34:22,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-16 02:34:22,172 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.8) internal successors, (57), 15 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-10-16 02:34:22,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:34:22,173 INFO L225 Difference]: With dead ends: 210 [2021-10-16 02:34:22,173 INFO L226 Difference]: Without dead ends: 175 [2021-10-16 02:34:22,174 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 1148.0ms TimeCoverageRelationStatistics Valid=303, Invalid=753, Unknown=0, NotChecked=0, Total=1056 [2021-10-16 02:34:22,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2021-10-16 02:34:22,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 112. [2021-10-16 02:34:22,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 111 states have (on average 1.2252252252252251) internal successors, (136), 111 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:34:22,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 136 transitions. [2021-10-16 02:34:22,206 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 136 transitions. Word has length 31 [2021-10-16 02:34:22,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:34:22,207 INFO L470 AbstractCegarLoop]: Abstraction has 112 states and 136 transitions. [2021-10-16 02:34:22,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.8) internal successors, (57), 15 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:34:22,207 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 136 transitions. [2021-10-16 02:34:22,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-16 02:34:22,209 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:34:22,209 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:34:22,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-10-16 02:34:22,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-10-16 02:34:22,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2021-10-16 02:34:22,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt [2021-10-16 02:34:22,819 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:34:22,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:34:22,820 INFO L82 PathProgramCache]: Analyzing trace with hash -784467583, now seen corresponding path program 5 times [2021-10-16 02:34:22,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:34:22,820 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [730077645] [2021-10-16 02:34:22,820 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-16 02:34:22,821 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:34:22,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:34:22,821 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:34:22,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-10-16 02:34:23,215 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-10-16 02:34:23,215 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-16 02:34:23,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-16 02:34:23,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:34:23,448 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-16 02:34:23,449 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:34:23,931 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-16 02:34:23,932 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:34:23,932 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [730077645] [2021-10-16 02:34:23,932 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [730077645] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:34:23,932 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1041809407] [2021-10-16 02:34:23,932 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-16 02:34:23,932 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 02:34:23,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 02:34:23,933 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 02:34:23,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2021-10-16 02:34:24,526 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-10-16 02:34:24,527 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-16 02:34:24,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-16 02:34:24,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:34:24,793 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-16 02:34:24,793 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:34:25,066 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-16 02:34:25,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1041809407] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:34:25,066 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33001392] [2021-10-16 02:34:25,066 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-16 02:34:25,066 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 02:34:25,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:34:25,067 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 02:34:25,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-10-16 02:34:25,603 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-10-16 02:34:25,603 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-16 02:34:25,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-16 02:34:25,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:34:25,776 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-16 02:34:25,776 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:34:26,026 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-16 02:34:26,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [33001392] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:34:26,026 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-16 02:34:26,026 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7, 8, 7, 8] total 15 [2021-10-16 02:34:26,027 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523927002] [2021-10-16 02:34:26,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 02:34:26,027 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:34:26,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 02:34:26,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2021-10-16 02:34:26,028 INFO L87 Difference]: Start difference. First operand 112 states and 136 transitions. Second operand has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:34:26,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:34:26,373 INFO L93 Difference]: Finished difference Result 146 states and 176 transitions. [2021-10-16 02:34:26,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-16 02:34:26,374 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-16 02:34:26,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:34:26,374 INFO L225 Difference]: With dead ends: 146 [2021-10-16 02:34:26,374 INFO L226 Difference]: Without dead ends: 92 [2021-10-16 02:34:26,375 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 187 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 740.0ms TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2021-10-16 02:34:26,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-10-16 02:34:26,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 80. [2021-10-16 02:34:26,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 79 states have (on average 1.139240506329114) internal successors, (90), 79 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:34:26,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 90 transitions. [2021-10-16 02:34:26,396 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 90 transitions. Word has length 35 [2021-10-16 02:34:26,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:34:26,396 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 90 transitions. [2021-10-16 02:34:26,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:34:26,397 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 90 transitions. [2021-10-16 02:34:26,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-16 02:34:26,398 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:34:26,398 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:34:26,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-10-16 02:34:26,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2021-10-16 02:34:26,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2021-10-16 02:34:27,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 02:34:27,012 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:34:27,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:34:27,013 INFO L82 PathProgramCache]: Analyzing trace with hash 466739754, now seen corresponding path program 1 times [2021-10-16 02:34:27,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:34:27,013 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1643193208] [2021-10-16 02:34:27,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:34:27,013 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:34:27,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:34:27,015 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:34:27,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-10-16 02:34:27,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:34:27,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 28 conjunts are in the unsatisfiable core [2021-10-16 02:34:27,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:34:27,888 INFO L388 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 17 treesize of output 13 [2021-10-16 02:34:28,319 INFO L388 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 15 treesize of output 7 [2021-10-16 02:34:28,396 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-16 02:34:28,396 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:34:28,798 INFO L388 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 46 treesize of output 40 [2021-10-16 02:34:29,179 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-16 02:34:29,180 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:34:29,180 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1643193208] [2021-10-16 02:34:29,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1643193208] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:34:29,180 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1162410073] [2021-10-16 02:34:29,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:34:29,180 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 02:34:29,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 02:34:29,182 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 02:34:29,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2021-10-16 02:34:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:34:29,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 33 conjunts are in the unsatisfiable core [2021-10-16 02:34:29,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:34:30,215 INFO L388 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 17 treesize of output 13 [2021-10-16 02:34:30,469 INFO L388 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 15 treesize of output 7 [2021-10-16 02:34:30,488 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-16 02:34:30,488 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:34:30,595 INFO L388 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 46 treesize of output 40 [2021-10-16 02:34:30,687 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-16 02:34:30,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1162410073] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:34:30,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024799438] [2021-10-16 02:34:30,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:34:30,689 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 02:34:30,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:34:30,689 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 02:34:30,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2021-10-16 02:34:31,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:34:31,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 35 conjunts are in the unsatisfiable core [2021-10-16 02:34:31,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:34:31,718 INFO L388 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 17 treesize of output 13 [2021-10-16 02:34:32,058 INFO L388 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 15 treesize of output 7 [2021-10-16 02:34:32,079 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-16 02:34:32,079 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:34:32,842 INFO L388 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 46 treesize of output 40 [2021-10-16 02:34:33,262 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-16 02:34:33,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2024799438] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:34:33,262 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-16 02:34:33,262 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 11, 16, 11, 18, 11] total 33 [2021-10-16 02:34:33,263 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199841557] [2021-10-16 02:34:33,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-10-16 02:34:33,263 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:34:33,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-10-16 02:34:33,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=937, Unknown=0, NotChecked=0, Total=1056 [2021-10-16 02:34:33,265 INFO L87 Difference]: Start difference. First operand 80 states and 90 transitions. Second operand has 33 states, 33 states have (on average 2.878787878787879) internal successors, (95), 33 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:34:36,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:34:36,528 INFO L93 Difference]: Finished difference Result 104 states and 119 transitions. [2021-10-16 02:34:36,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-16 02:34:36,529 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 2.878787878787879) internal successors, (95), 33 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-10-16 02:34:36,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:34:36,530 INFO L225 Difference]: With dead ends: 104 [2021-10-16 02:34:36,531 INFO L226 Difference]: Without dead ends: 87 [2021-10-16 02:34:36,532 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 493 ImplicationChecksByTransitivity, 3656.2ms TimeCoverageRelationStatistics Valid=573, Invalid=2183, Unknown=0, NotChecked=0, Total=2756 [2021-10-16 02:34:36,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-10-16 02:34:36,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 83. [2021-10-16 02:34:36,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 82 states have (on average 1.1219512195121952) internal successors, (92), 82 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:34:36,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 92 transitions. [2021-10-16 02:34:36,555 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 92 transitions. Word has length 36 [2021-10-16 02:34:36,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:34:36,556 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 92 transitions. [2021-10-16 02:34:36,556 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 2.878787878787879) internal successors, (95), 33 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:34:36,556 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 92 transitions. [2021-10-16 02:34:36,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-16 02:34:36,557 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:34:36,557 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:34:36,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (22)] Ended with exit code 0 [2021-10-16 02:34:36,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2021-10-16 02:34:36,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2021-10-16 02:34:37,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 02:34:37,160 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:34:37,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:34:37,160 INFO L82 PathProgramCache]: Analyzing trace with hash 290207751, now seen corresponding path program 6 times [2021-10-16 02:34:37,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:34:37,160 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1720544003] [2021-10-16 02:34:37,160 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-16 02:34:37,161 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:34:37,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:34:37,171 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:34:37,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-10-16 02:34:37,763 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-10-16 02:34:37,763 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-16 02:34:37,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 02:34:37,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:34:37,897 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-10-16 02:34:37,897 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:34:38,059 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-10-16 02:34:38,059 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:34:38,059 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1720544003] [2021-10-16 02:34:38,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1720544003] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:34:38,059 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [576483134] [2021-10-16 02:34:38,060 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-16 02:34:38,060 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 02:34:38,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 02:34:38,072 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 02:34:38,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2021-10-16 02:34:38,855 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-10-16 02:34:38,856 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-16 02:34:38,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 02:34:38,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:34:38,985 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-10-16 02:34:38,985 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:34:39,126 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-10-16 02:34:39,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [576483134] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:34:39,127 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017546045] [2021-10-16 02:34:39,127 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-16 02:34:39,127 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 02:34:39,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:34:39,128 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 02:34:39,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2021-10-16 02:34:39,902 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-10-16 02:34:39,903 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-16 02:34:39,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 02:34:39,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:34:40,058 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-10-16 02:34:40,058 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:34:40,226 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-10-16 02:34:40,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1017546045] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:34:40,227 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-16 02:34:40,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4, 4, 4, 4] total 6 [2021-10-16 02:34:40,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100096368] [2021-10-16 02:34:40,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 02:34:40,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:34:40,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 02:34:40,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-16 02:34:40,228 INFO L87 Difference]: Start difference. First operand 83 states and 92 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:34:40,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:34:40,278 INFO L93 Difference]: Finished difference Result 125 states and 138 transitions. [2021-10-16 02:34:40,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 02:34:40,279 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-10-16 02:34:40,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:34:40,279 INFO L225 Difference]: With dead ends: 125 [2021-10-16 02:34:40,279 INFO L226 Difference]: Without dead ends: 52 [2021-10-16 02:34:40,280 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 30.1ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-16 02:34:40,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-10-16 02:34:40,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2021-10-16 02:34:40,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.0980392156862746) internal successors, (56), 51 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:34:40,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 56 transitions. [2021-10-16 02:34:40,292 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 56 transitions. Word has length 42 [2021-10-16 02:34:40,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:34:40,292 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 56 transitions. [2021-10-16 02:34:40,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:34:40,292 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2021-10-16 02:34:40,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-16 02:34:40,293 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:34:40,293 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:34:40,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2021-10-16 02:34:40,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2021-10-16 02:34:40,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2021-10-16 02:34:40,897 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt,27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:34:40,897 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:34:40,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:34:40,898 INFO L82 PathProgramCache]: Analyzing trace with hash 1030461561, now seen corresponding path program 2 times [2021-10-16 02:34:40,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:34:40,898 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [273177718] [2021-10-16 02:34:40,898 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-16 02:34:40,898 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:34:40,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:34:40,899 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:34:40,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2021-10-16 02:34:41,565 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-16 02:34:41,566 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-16 02:34:41,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 02:34:41,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:34:41,771 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-16 02:34:41,771 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:34:42,047 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-16 02:34:42,047 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:34:42,047 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [273177718] [2021-10-16 02:34:42,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [273177718] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:34:42,047 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1314365730] [2021-10-16 02:34:42,047 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-16 02:34:42,048 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 02:34:42,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 02:34:42,049 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 02:34:42,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2021-10-16 02:34:42,962 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-16 02:34:42,963 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-16 02:34:42,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 02:34:42,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:34:43,123 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-16 02:34:43,123 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:34:43,334 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-16 02:34:43,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1314365730] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:34:43,335 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752274837] [2021-10-16 02:34:43,335 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-16 02:34:43,335 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 02:34:43,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:34:43,336 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 02:34:43,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2021-10-16 02:34:44,140 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-16 02:34:44,140 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-16 02:34:44,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-16 02:34:44,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:34:44,362 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-16 02:34:44,363 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:34:44,759 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-16 02:34:44,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1752274837] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:34:44,760 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-16 02:34:44,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 8, 7] total 17 [2021-10-16 02:34:44,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383223674] [2021-10-16 02:34:44,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-16 02:34:44,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:34:44,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-16 02:34:44,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2021-10-16 02:34:44,761 INFO L87 Difference]: Start difference. First operand 52 states and 56 transitions. Second operand has 17 states, 17 states have (on average 6.411764705882353) internal successors, (109), 17 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:34:45,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:34:45,107 INFO L93 Difference]: Finished difference Result 52 states and 56 transitions. [2021-10-16 02:34:45,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 02:34:45,107 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 6.411764705882353) internal successors, (109), 17 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2021-10-16 02:34:45,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:34:45,108 INFO L225 Difference]: With dead ends: 52 [2021-10-16 02:34:45,108 INFO L226 Difference]: Without dead ends: 0 [2021-10-16 02:34:45,109 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 568.8ms TimeCoverageRelationStatistics Valid=152, Invalid=448, Unknown=0, NotChecked=0, Total=600 [2021-10-16 02:34:45,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-16 02:34:45,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-16 02:34:45,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:34:45,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-16 02:34:45,110 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2021-10-16 02:34:45,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:34:45,110 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-16 02:34:45,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 6.411764705882353) internal successors, (109), 17 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:34:45,111 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-16 02:34:45,111 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-16 02:34:45,114 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:34:45,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (28)] Ended with exit code 0 [2021-10-16 02:34:45,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2021-10-16 02:34:45,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2021-10-16 02:34:45,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3,29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt,30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 02:34:45,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-16 02:34:45,728 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:34:45,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:34:45,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:34:45,789 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:34:45,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:34:46,031 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:34:46,034 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:34:46,082 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:34:46,083 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:34:46,084 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:34:46,132 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:34:46,136 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:34:46,161 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:34:46,161 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:35:02,794 WARN L207 SmtUtils]: Spent 15.56 s on a formula simplification. DAG size of input: 255 DAG size of output: 145 [2021-10-16 02:35:07,049 INFO L860 garLoopResultBuilder]: At program point L638(lines 620 639) the Hoare annotation is: true [2021-10-16 02:35:07,050 INFO L860 garLoopResultBuilder]: At program point L572(line 572) the Hoare annotation is: true [2021-10-16 02:35:07,050 INFO L860 garLoopResultBuilder]: At program point L572-1(line 572) the Hoare annotation is: true [2021-10-16 02:35:07,050 INFO L853 garLoopResultBuilder]: At program point L581(lines 574 582) the Hoare annotation is: (and (= (_ bv0 1) (bvadd (bvneg (bvneg (select |#valid| |ULTIMATE.start_node_create_#res.base|))) (_ bv1 1))) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (select |#valid| ULTIMATE.start_node_create_~temp~0.base)))) (= ULTIMATE.start_main_~len~0 (_ bv2 32)) (= |ULTIMATE.start_node_create_#res.offset| (_ bv0 32)) (= (_ bv0 32) ULTIMATE.start_node_create_~temp~0.offset) (= (_ bv2 32) ULTIMATE.start_sll_circular_create_~len)) [2021-10-16 02:35:07,050 INFO L853 garLoopResultBuilder]: At program point L581-1(lines 574 582) the Hoare annotation is: (and (= ULTIMATE.start_sll_circular_create_~head~0.base ULTIMATE.start_sll_circular_create_~last~0.base) (= (_ bv0 1) (bvadd (bvneg (bvneg (select |#valid| |ULTIMATE.start_node_create_#res.base|))) (_ bv1 1))) (not (= ULTIMATE.start_sll_circular_create_~head~0.base |ULTIMATE.start_node_create_#res.base|)) (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (select |#valid| ULTIMATE.start_node_create_~temp~0.base)))) (not (= ULTIMATE.start_node_create_~temp~0.base ULTIMATE.start_sll_circular_create_~head~0.base)) (= ULTIMATE.start_main_~len~0 (_ bv2 32)) (= |ULTIMATE.start_node_create_#res.offset| (_ bv0 32)) (= ULTIMATE.start_sll_circular_create_~head~0.offset (_ bv0 32)) (= (_ bv0 1) (bvadd (bvneg (bvneg (bvneg (bvneg (select |#valid| ULTIMATE.start_sll_circular_create_~head~0.base))))) (_ bv1 1))) (= (_ bv0 32) ULTIMATE.start_node_create_~temp~0.offset) (= (_ bv2 32) ULTIMATE.start_sll_circular_create_~len)) [2021-10-16 02:35:07,050 INFO L853 garLoopResultBuilder]: At program point L614-2(lines 614 617) the Hoare annotation is: (let ((.cse2 (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_#res.base|) |ULTIMATE.start_sll_circular_create_#res.offset|) |ULTIMATE.start_sll_circular_create_#res.base|))) (.cse9 (= (bvadd ULTIMATE.start_main_~i~0 (_ bv1 32)) ULTIMATE.start_main_~len~0)) (.cse12 (= (bvmul (_ bv2 32) ULTIMATE.start_main_~len~0) (bvadd ULTIMATE.start_sll_circular_update_at_~data (_ bv1 32)))) (.cse0 (= ULTIMATE.start_main_~s~0.offset (_ bv0 32))) (.cse1 (= |ULTIMATE.start_sll_circular_create_#res.offset| (_ bv0 32))) (.cse5 (= ULTIMATE.start_main_~len~0 (_ bv2 32))) (.cse6 (= |ULTIMATE.start_node_create_#res.offset| (_ bv0 32))) (.cse8 (= ULTIMATE.start_sll_circular_create_~len (_ bv1 32))) (.cse10 (= ULTIMATE.start_sll_circular_create_~head~0.offset (_ bv0 32))) (.cse15 (= ULTIMATE.start_sll_circular_update_at_~head.base ULTIMATE.start_main_~s~0.base)) (.cse11 (= (_ bv0 32) ULTIMATE.start_node_create_~temp~0.offset))) (or (and .cse0 .cse1 .cse2 (forall ((v_arrayElimCell_77 (_ BitVec 32))) (or (and (or (and (= ULTIMATE.start_main_~s~0.offset (bvadd (_ bv4 32) v_arrayElimCell_77)) (forall ((v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32))) (let ((.cse3 (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset))) (= .cse3 (select (store (select (store |#memory_$Pointer$.base| .cse3 (store (select |#memory_$Pointer$.base| .cse3) ULTIMATE.start_main_~s~0.offset v_DerPreprocessor_4)) ULTIMATE.start_main_~s~0.base) (bvadd (_ bv4 32) ULTIMATE.start_main_~s~0.offset) v_DerPreprocessor_1) ULTIMATE.start_main_~s~0.offset))))) (not (= (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) ULTIMATE.start_main_~s~0.base))) (forall ((v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32))) (let ((.cse4 (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset))) (= (select (store (select (store |#memory_$Pointer$.base| .cse4 (store (select |#memory_$Pointer$.base| .cse4) (bvadd (_ bv4 32) v_arrayElimCell_77) v_DerPreprocessor_4)) ULTIMATE.start_main_~s~0.base) (bvadd (_ bv4 32) ULTIMATE.start_main_~s~0.offset) v_DerPreprocessor_1) ULTIMATE.start_main_~s~0.offset) .cse4)))) (= ULTIMATE.start_main_~s~0.offset v_arrayElimCell_77))) .cse5 .cse6 (forall ((v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32))) (let ((.cse7 (select (store (select (store |#memory_$Pointer$.base| ULTIMATE.start_sll_circular_update_at_~head.base (store (select |#memory_$Pointer$.base| ULTIMATE.start_sll_circular_update_at_~head.base) (bvadd (_ bv4 32) ULTIMATE.start_sll_circular_update_at_~head.offset) v_DerPreprocessor_4)) ULTIMATE.start_main_~s~0.base) (bvadd (_ bv4 32) ULTIMATE.start_main_~s~0.offset) v_DerPreprocessor_1) ULTIMATE.start_main_~s~0.offset))) (or (= ULTIMATE.start_main_~s~0.base .cse7) (and (forall ((v_DerPreprocessor_3 (_ BitVec 32)) (v_DerPreprocessor_2 (_ BitVec 32))) (= (select (store (select (store |#memory_$Pointer$.offset| ULTIMATE.start_sll_circular_update_at_~head.base (store (select |#memory_$Pointer$.offset| ULTIMATE.start_sll_circular_update_at_~head.base) (bvadd (_ bv4 32) ULTIMATE.start_sll_circular_update_at_~head.offset) v_DerPreprocessor_3)) ULTIMATE.start_main_~s~0.base) (bvadd (_ bv4 32) ULTIMATE.start_main_~s~0.offset) v_DerPreprocessor_2) ULTIMATE.start_main_~s~0.offset) ULTIMATE.start_sll_circular_update_at_~head.offset)) (= ULTIMATE.start_sll_circular_update_at_~head.base .cse7))))) .cse8 .cse9 .cse10 (= (bvadd ULTIMATE.start_sll_circular_update_at_~index (_ bv1 32)) ULTIMATE.start_main_~i~0) .cse11 .cse12) (and .cse0 .cse1 .cse2 .cse5 (forall ((v_arrayElimCell_77 (_ BitVec 32))) (or (= ULTIMATE.start_main_~s~0.offset v_arrayElimCell_77) (and (forall ((v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32))) (let ((.cse13 (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_circular_update_at_~head.base) ULTIMATE.start_sll_circular_update_at_~head.offset))) (= (select (store (select (store |#memory_$Pointer$.base| .cse13 (store (select |#memory_$Pointer$.base| .cse13) (bvadd (_ bv4 32) v_arrayElimCell_77) v_DerPreprocessor_4)) ULTIMATE.start_main_~s~0.base) (bvadd (_ bv4 32) ULTIMATE.start_main_~s~0.offset) v_DerPreprocessor_1) ULTIMATE.start_main_~s~0.offset) .cse13))) (= ULTIMATE.start_main_~s~0.offset ULTIMATE.start_sll_circular_update_at_~head.offset) (or (not (= ULTIMATE.start_sll_circular_update_at_~head.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_circular_update_at_~head.base) ULTIMATE.start_sll_circular_update_at_~head.offset))) (and (= ULTIMATE.start_sll_circular_update_at_~head.offset (bvadd (_ bv4 32) v_arrayElimCell_77)) (forall ((v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32))) (let ((.cse14 (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_circular_update_at_~head.base) ULTIMATE.start_sll_circular_update_at_~head.offset))) (= .cse14 (select (store (select (store |#memory_$Pointer$.base| .cse14 (store (select |#memory_$Pointer$.base| .cse14) ULTIMATE.start_sll_circular_update_at_~head.offset v_DerPreprocessor_4)) ULTIMATE.start_main_~s~0.base) (bvadd (_ bv4 32) ULTIMATE.start_main_~s~0.offset) v_DerPreprocessor_1) ULTIMATE.start_main_~s~0.offset))))))))) (= ULTIMATE.start_sll_circular_update_at_~index (_ bv1 32)) .cse6 .cse8 .cse9 .cse10 .cse15 .cse11 .cse12) (and .cse0 (= ULTIMATE.start_main_~s~0.offset ULTIMATE.start_sll_circular_update_at_~head.offset) .cse1 .cse5 .cse6 (= (bvadd (_ bv2 32) ULTIMATE.start_main_~i~0) ULTIMATE.start_main_~len~0) (= ULTIMATE.start_sll_circular_update_at_~data (bvadd ULTIMATE.start_main_~len~0 ULTIMATE.start_sll_circular_update_at_~index)) .cse8 .cse10 .cse15 (forall ((v_DerPreprocessor_2 (_ BitVec 32)) (ULTIMATE.start_sll_circular_update_at_~data (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32))) (= (bvadd (let ((.cse16 (bvadd (_ bv4 32) ULTIMATE.start_main_~s~0.offset))) (select (select (store |#memory_int| ULTIMATE.start_main_~s~0.base (store (select |#memory_int| ULTIMATE.start_main_~s~0.base) .cse16 ULTIMATE.start_sll_circular_update_at_~data)) (select (store (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) .cse16 v_DerPreprocessor_1) ULTIMATE.start_main_~s~0.offset)) (bvadd (select (store (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) .cse16 v_DerPreprocessor_2) ULTIMATE.start_main_~s~0.offset) (_ bv4 32)))) (_ bv1 32)) (bvmul (_ bv2 32) ULTIMATE.start_main_~len~0))) .cse11 (= ULTIMATE.start_main_~len~0 (bvadd (_ bv2 32) ULTIMATE.start_sll_circular_update_at_~index))))) [2021-10-16 02:35:07,051 INFO L857 garLoopResultBuilder]: For program point L614-3(lines 614 617) no Hoare annotation was computed. [2021-10-16 02:35:07,051 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-16 02:35:07,051 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-16 02:35:07,051 INFO L857 garLoopResultBuilder]: For program point L631(lines 631 633) no Hoare annotation was computed. [2021-10-16 02:35:07,051 INFO L860 garLoopResultBuilder]: At program point L598-2(lines 598 602) the Hoare annotation is: true [2021-10-16 02:35:07,051 INFO L857 garLoopResultBuilder]: For program point L598-3(lines 598 602) no Hoare annotation was computed. [2021-10-16 02:35:07,051 INFO L853 garLoopResultBuilder]: At program point L607-2(lines 607 610) the Hoare annotation is: (let ((.cse15 (bvmul (_ bv2 32) ULTIMATE.start_main_~len~0))) (let ((.cse0 (= ULTIMATE.start_main_~s~0.offset (_ bv0 32))) (.cse1 (= ULTIMATE.start_main_~s~0.offset ULTIMATE.start_sll_circular_update_at_~head.offset)) (.cse2 (= |ULTIMATE.start_sll_circular_create_#res.offset| (_ bv0 32))) (.cse3 (= ULTIMATE.start_main_~len~0 (_ bv2 32))) (.cse4 (= (bvadd (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset)))) .cse15)) (.cse5 (= |ULTIMATE.start_node_create_#res.offset| (_ bv0 32))) (.cse6 (= ULTIMATE.start_sll_circular_update_at_~data (bvadd ULTIMATE.start_main_~len~0 ULTIMATE.start_sll_circular_update_at_~index))) (.cse7 (= (bvadd (_ bv2 32) (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) (bvadd (_ bv4 32) ULTIMATE.start_main_~s~0.offset))) .cse15)) (.cse8 (= ULTIMATE.start_sll_circular_create_~len (_ bv1 32))) (.cse9 (= (bvadd ULTIMATE.start_main_~i~0 (_ bv1 32)) ULTIMATE.start_main_~len~0)) (.cse10 (= ULTIMATE.start_sll_circular_create_~head~0.offset (_ bv0 32))) (.cse14 (select |#memory_int| ULTIMATE.start_sll_circular_get_data_at_~head.base)) (.cse11 (= ULTIMATE.start_sll_circular_update_at_~head.base ULTIMATE.start_main_~s~0.base)) (.cse12 (= (_ bv0 32) ULTIMATE.start_node_create_~temp~0.offset)) (.cse13 (= ULTIMATE.start_main_~len~0 (bvadd (_ bv2 32) ULTIMATE.start_sll_circular_update_at_~index)))) (or (and .cse0 .cse1 .cse2 (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_circular_get_data_at_~head.base) ULTIMATE.start_sll_circular_get_data_at_~head.offset)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_sll_circular_get_data_at_~head.base) ULTIMATE.start_sll_circular_get_data_at_~head.offset))) ULTIMATE.start_main_~expected~0) .cse3 .cse4 .cse5 .cse6 .cse7 (= ULTIMATE.start_sll_circular_get_data_at_~index (_ bv1 32)) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse2 (= ULTIMATE.start_sll_circular_get_data_at_~index ULTIMATE.start_main_~i~0) .cse3 .cse5 (= (bvadd (_ bv2 32) ULTIMATE.start_main_~i~0) ULTIMATE.start_main_~len~0) .cse6 .cse7 (= ULTIMATE.start_main_~expected~0 (_ bv2 32)) .cse8 .cse10 (= ULTIMATE.start_sll_circular_get_data_at_~head.offset (_ bv0 32)) .cse11 (= (_ bv2 32) (select .cse14 (_ bv4 32))) .cse12 .cse13) (and .cse0 .cse1 .cse2 (= ULTIMATE.start_sll_circular_get_data_at_~index (_ bv0 32)) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= (select .cse14 (bvadd (_ bv4 32) ULTIMATE.start_sll_circular_get_data_at_~head.offset)) ULTIMATE.start_main_~expected~0) .cse11 .cse12 .cse13)))) [2021-10-16 02:35:07,051 INFO L857 garLoopResultBuilder]: For program point L607-3(lines 607 610) no Hoare annotation was computed. [2021-10-16 02:35:07,052 INFO L853 garLoopResultBuilder]: At program point L632(lines 620 639) the Hoare annotation is: false [2021-10-16 02:35:07,052 INFO L853 garLoopResultBuilder]: At program point L625-2(lines 625 628) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_main_~len~0 (_ bv2 32))) (.cse7 (bvadd ULTIMATE.start_main_~i~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_main_~s~0.offset (_ bv0 32))) (.cse1 (= |ULTIMATE.start_sll_circular_create_#res.offset| (_ bv0 32))) (.cse4 (= |ULTIMATE.start_node_create_#res.offset| (_ bv0 32))) (.cse5 (= ULTIMATE.start_sll_circular_create_~len (_ bv1 32))) (.cse6 (= ULTIMATE.start_sll_circular_create_~head~0.offset (_ bv0 32))) (.cse8 (= (_ bv0 32) ULTIMATE.start_node_create_~temp~0.offset))) (or (let ((.cse3 (bvmul (_ bv2 32) ULTIMATE.start_main_~len~0))) (and .cse0 (= ULTIMATE.start_main_~s~0.offset ULTIMATE.start_sll_circular_update_at_~head.offset) .cse1 .cse2 (= (bvadd (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset)))) .cse3) .cse4 (= ULTIMATE.start_sll_circular_update_at_~data (bvadd ULTIMATE.start_main_~len~0 ULTIMATE.start_sll_circular_update_at_~index)) (= (bvadd (_ bv2 32) (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) (bvadd (_ bv4 32) ULTIMATE.start_main_~s~0.offset))) .cse3) .cse5 .cse6 (= .cse7 (_ bv0 32)) (= ULTIMATE.start_sll_circular_update_at_~head.base ULTIMATE.start_main_~s~0.base) .cse8 (= ULTIMATE.start_main_~len~0 (bvadd (_ bv2 32) ULTIMATE.start_sll_circular_update_at_~index)))) (and .cse0 .cse1 (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_#res.base|) |ULTIMATE.start_sll_circular_create_#res.offset|) |ULTIMATE.start_sll_circular_create_#res.base|)) (forall ((v_arrayElimCell_77 (_ BitVec 32))) (or (and (or (and (= ULTIMATE.start_main_~s~0.offset (bvadd (_ bv4 32) v_arrayElimCell_77)) (forall ((v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32))) (let ((.cse9 (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset))) (= .cse9 (select (store (select (store |#memory_$Pointer$.base| .cse9 (store (select |#memory_$Pointer$.base| .cse9) ULTIMATE.start_main_~s~0.offset v_DerPreprocessor_4)) ULTIMATE.start_main_~s~0.base) (bvadd (_ bv4 32) ULTIMATE.start_main_~s~0.offset) v_DerPreprocessor_1) ULTIMATE.start_main_~s~0.offset))))) (not (= (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) ULTIMATE.start_main_~s~0.base))) (forall ((v_DerPreprocessor_4 (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32))) (let ((.cse10 (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset))) (= (select (store (select (store |#memory_$Pointer$.base| .cse10 (store (select |#memory_$Pointer$.base| .cse10) (bvadd (_ bv4 32) v_arrayElimCell_77) v_DerPreprocessor_4)) ULTIMATE.start_main_~s~0.base) (bvadd (_ bv4 32) ULTIMATE.start_main_~s~0.offset) v_DerPreprocessor_1) ULTIMATE.start_main_~s~0.offset) .cse10)))) (= ULTIMATE.start_main_~s~0.offset v_arrayElimCell_77))) .cse2 .cse4 .cse5 (= .cse7 ULTIMATE.start_main_~len~0) .cse6 .cse8) (and .cse0 .cse1 (= ULTIMATE.start_main_~i~0 (_ bv0 32)) (= ULTIMATE.start_sll_circular_update_at_~index ULTIMATE.start_main_~i~0) .cse4 (= (bvadd (_ bv2 32) ULTIMATE.start_main_~i~0) ULTIMATE.start_main_~len~0) .cse5 .cse6 (forall ((v_DerPreprocessor_2 (_ BitVec 32)) (ULTIMATE.start_sll_circular_update_at_~data (_ BitVec 32)) (v_DerPreprocessor_1 (_ BitVec 32))) (= (bvadd (let ((.cse11 (bvadd (_ bv4 32) ULTIMATE.start_main_~s~0.offset))) (select (select (store |#memory_int| ULTIMATE.start_main_~s~0.base (store (select |#memory_int| ULTIMATE.start_main_~s~0.base) .cse11 ULTIMATE.start_sll_circular_update_at_~data)) (select (store (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) .cse11 v_DerPreprocessor_1) ULTIMATE.start_main_~s~0.offset)) (bvadd (select (store (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) .cse11 v_DerPreprocessor_2) ULTIMATE.start_main_~s~0.offset) (_ bv4 32)))) (_ bv1 32)) (bvmul (_ bv2 32) ULTIMATE.start_main_~len~0))) .cse8))) [2021-10-16 02:35:07,052 INFO L857 garLoopResultBuilder]: For program point L625-3(lines 625 628) no Hoare annotation was computed. [2021-10-16 02:35:07,052 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 578) no Hoare annotation was computed. [2021-10-16 02:35:07,052 INFO L857 garLoopResultBuilder]: For program point L576-1(lines 576 578) no Hoare annotation was computed. [2021-10-16 02:35:07,053 INFO L857 garLoopResultBuilder]: For program point L576-2(lines 576 578) no Hoare annotation was computed. [2021-10-16 02:35:07,053 INFO L857 garLoopResultBuilder]: For program point L576-3(lines 576 578) no Hoare annotation was computed. [2021-10-16 02:35:07,053 INFO L853 garLoopResultBuilder]: At program point L593(lines 583 594) the Hoare annotation is: (and (= |ULTIMATE.start_sll_circular_create_#res.offset| (_ bv0 32)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_#res.base|) |ULTIMATE.start_sll_circular_create_#res.offset|) |ULTIMATE.start_sll_circular_create_#res.base|)) (= ULTIMATE.start_main_~len~0 (_ bv2 32)) (= |ULTIMATE.start_node_create_#res.offset| (_ bv0 32)) (= ULTIMATE.start_sll_circular_create_~len (_ bv1 32)) (= ULTIMATE.start_sll_circular_create_~head~0.offset (_ bv0 32)) (= (_ bv0 32) ULTIMATE.start_node_create_~temp~0.offset)) [2021-10-16 02:35:07,053 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-16 02:35:07,053 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 637) no Hoare annotation was computed. [2021-10-16 02:35:07,054 INFO L853 garLoopResultBuilder]: At program point L586-2(lines 586 591) the Hoare annotation is: (let ((.cse5 (bvneg (bvneg (bvneg (select |#valid| ULTIMATE.start_sll_circular_create_~head~0.base))))) (.cse0 (= (_ bv0 1) (bvadd (bvneg (bvneg (select |#valid| |ULTIMATE.start_node_create_#res.base|))) (_ bv1 1)))) (.cse1 (= (_ bv0 1) (bvadd (_ bv1 1) (bvneg (select |#valid| ULTIMATE.start_node_create_~temp~0.base))))) (.cse2 (= ULTIMATE.start_main_~len~0 (_ bv2 32))) (.cse3 (= |ULTIMATE.start_node_create_#res.offset| (_ bv0 32))) (.cse4 (= ULTIMATE.start_sll_circular_create_~head~0.offset (_ bv0 32))) (.cse6 (= (_ bv0 32) ULTIMATE.start_node_create_~temp~0.offset))) (or (and (= ULTIMATE.start_sll_circular_create_~head~0.base ULTIMATE.start_sll_circular_create_~last~0.base) .cse0 .cse1 .cse2 .cse3 .cse4 (= (_ bv0 1) (bvadd (bvneg .cse5) (_ bv1 1))) .cse6 (= (_ bv2 32) ULTIMATE.start_sll_circular_create_~len)) (and (= (select (select |#memory_$Pointer$.offset| ULTIMATE.start_sll_circular_create_~head~0.base) ULTIMATE.start_sll_circular_create_~head~0.offset) (_ bv0 32)) (not (= (_ bv0 1) .cse5)) .cse0 .cse1 .cse2 (not (= (_ bv0 1) (select |#valid| ULTIMATE.start_sll_circular_create_~last~0.base))) .cse3 (forall ((ULTIMATE.start_sll_circular_create_~last~0.offset (_ BitVec 32))) (not (= (select (select (store |#memory_$Pointer$.base| ULTIMATE.start_sll_circular_create_~last~0.base (store (select |#memory_$Pointer$.base| ULTIMATE.start_sll_circular_create_~last~0.base) ULTIMATE.start_sll_circular_create_~last~0.offset ULTIMATE.start_sll_circular_create_~head~0.base)) ULTIMATE.start_sll_circular_create_~head~0.base) ULTIMATE.start_sll_circular_create_~head~0.offset) ULTIMATE.start_sll_circular_create_~head~0.base))) (= (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_circular_create_~head~0.base) ULTIMATE.start_sll_circular_create_~head~0.offset) ULTIMATE.start_sll_circular_create_~last~0.base) (= ULTIMATE.start_sll_circular_create_~len (_ bv1 32)) .cse4 .cse6))) [2021-10-16 02:35:07,054 INFO L857 garLoopResultBuilder]: For program point L586-3(lines 586 591) no Hoare annotation was computed. [2021-10-16 02:35:07,054 INFO L853 garLoopResultBuilder]: At program point L611(lines 606 612) the Hoare annotation is: (let ((.cse4 (bvmul (_ bv2 32) ULTIMATE.start_main_~len~0))) (let ((.cse0 (= ULTIMATE.start_main_~s~0.offset (_ bv0 32))) (.cse1 (= ULTIMATE.start_main_~s~0.offset ULTIMATE.start_sll_circular_update_at_~head.offset)) (.cse2 (= |ULTIMATE.start_sll_circular_create_#res.offset| (_ bv0 32))) (.cse3 (= ULTIMATE.start_sll_circular_get_data_at_~index (_ bv0 32))) (.cse5 (= |ULTIMATE.start_node_create_#res.offset| (_ bv0 32))) (.cse6 (= ULTIMATE.start_sll_circular_update_at_~data (bvadd ULTIMATE.start_main_~len~0 ULTIMATE.start_sll_circular_update_at_~index))) (.cse7 (= (bvadd (_ bv2 32) (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) (bvadd (_ bv4 32) ULTIMATE.start_main_~s~0.offset))) .cse4)) (.cse8 (= ULTIMATE.start_sll_circular_create_~len (_ bv1 32))) (.cse9 (= ULTIMATE.start_sll_circular_create_~head~0.offset (_ bv0 32))) (.cse11 (= ULTIMATE.start_sll_circular_update_at_~head.base ULTIMATE.start_main_~s~0.base)) (.cse10 (select |#memory_int| ULTIMATE.start_sll_circular_get_data_at_~head.base)) (.cse12 (= (_ bv0 32) ULTIMATE.start_node_create_~temp~0.offset)) (.cse13 (= ULTIMATE.start_main_~len~0 (bvadd (_ bv2 32) ULTIMATE.start_sll_circular_update_at_~index)))) (or (and .cse0 .cse1 (= ULTIMATE.start_main_~expected~0 |ULTIMATE.start_sll_circular_get_data_at_#res|) .cse2 (not (bvsgt ULTIMATE.start_sll_circular_update_at_~index (_ bv0 32))) .cse3 (bvsgt (bvadd ULTIMATE.start_sll_circular_update_at_~index (_ bv1 32)) (_ bv0 32)) (= (bvadd (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset)))) .cse4) .cse5 .cse6 .cse7 .cse8 (= (bvadd ULTIMATE.start_main_~i~0 (_ bv1 32)) ULTIMATE.start_main_~len~0) .cse9 (= (select .cse10 (bvadd (_ bv4 32) ULTIMATE.start_sll_circular_get_data_at_~head.offset)) ULTIMATE.start_main_~expected~0) .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_sll_circular_get_data_at_~index ULTIMATE.start_main_~i~0) .cse5 (= (bvadd (_ bv2 32) ULTIMATE.start_main_~i~0) ULTIMATE.start_main_~len~0) .cse6 (= (_ bv2 32) |ULTIMATE.start_sll_circular_get_data_at_#res|) .cse7 (= ULTIMATE.start_main_~expected~0 (_ bv2 32)) .cse8 .cse9 (= ULTIMATE.start_sll_circular_get_data_at_~head.offset (_ bv0 32)) .cse11 (= (_ bv2 32) (select .cse10 (_ bv4 32))) .cse12 .cse13)))) [2021-10-16 02:35:07,054 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-16 02:35:07,055 INFO L857 garLoopResultBuilder]: For program point L595(lines 595 605) no Hoare annotation was computed. [2021-10-16 02:35:07,055 INFO L857 garLoopResultBuilder]: For program point L596(lines 596 604) no Hoare annotation was computed. [2021-10-16 02:35:07,055 INFO L857 garLoopResultBuilder]: For program point L629-2(lines 629 634) no Hoare annotation was computed. [2021-10-16 02:35:07,055 INFO L853 garLoopResultBuilder]: At program point L629-3(lines 629 634) the Hoare annotation is: (let ((.cse14 (bvmul (_ bv2 32) ULTIMATE.start_main_~len~0))) (let ((.cse10 (bvadd ULTIMATE.start_main_~i~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_main_~s~0.offset (_ bv0 32))) (.cse1 (= ULTIMATE.start_main_~s~0.offset ULTIMATE.start_sll_circular_update_at_~head.offset)) (.cse2 (= |ULTIMATE.start_sll_circular_create_#res.offset| (_ bv0 32))) (.cse3 (= ULTIMATE.start_sll_circular_get_data_at_~index (_ bv0 32))) (.cse4 (= ULTIMATE.start_main_~len~0 (_ bv2 32))) (.cse5 (= |ULTIMATE.start_node_create_#res.offset| (_ bv0 32))) (.cse6 (= ULTIMATE.start_sll_circular_update_at_~data (bvadd ULTIMATE.start_main_~len~0 ULTIMATE.start_sll_circular_update_at_~index))) (.cse7 (= (bvadd (_ bv2 32) (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) (bvadd (_ bv4 32) ULTIMATE.start_main_~s~0.offset))) .cse14)) (.cse8 (= ULTIMATE.start_sll_circular_create_~len (_ bv1 32))) (.cse9 (= ULTIMATE.start_sll_circular_create_~head~0.offset (_ bv0 32))) (.cse11 (= ULTIMATE.start_sll_circular_update_at_~head.base ULTIMATE.start_main_~s~0.base)) (.cse12 (= (_ bv0 32) ULTIMATE.start_node_create_~temp~0.offset)) (.cse13 (= ULTIMATE.start_main_~len~0 (bvadd (_ bv2 32) ULTIMATE.start_sll_circular_update_at_~index)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= (_ bv2 32) |ULTIMATE.start_sll_circular_get_data_at_#res|) .cse7 (= ULTIMATE.start_main_~expected~0 (_ bv2 32)) .cse8 .cse9 (= .cse10 (_ bv0 32)) (= ULTIMATE.start_sll_circular_get_data_at_~head.offset (_ bv0 32)) .cse11 (= (_ bv2 32) (select (select |#memory_int| ULTIMATE.start_sll_circular_get_data_at_~head.base) (_ bv4 32))) .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse4 (= (bvadd (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset)))) .cse14) .cse5 .cse6 .cse7 .cse8 (= .cse10 ULTIMATE.start_main_~len~0) .cse9 .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= (bvadd (_ bv2 32) ULTIMATE.start_main_~i~0) ULTIMATE.start_main_~len~0) .cse6 .cse7 .cse8 .cse9 .cse11 .cse12 .cse13)))) [2021-10-16 02:35:07,055 INFO L857 garLoopResultBuilder]: For program point L629-4(lines 629 634) no Hoare annotation was computed. [2021-10-16 02:35:07,055 INFO L857 garLoopResultBuilder]: For program point L613(lines 1 639) no Hoare annotation was computed. [2021-10-16 02:35:07,059 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 02:35:07,091 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,092 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 02:35:07,097 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,097 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 02:35:07,106 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,106 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_77,QUANTIFIED] [2021-10-16 02:35:07,107 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,107 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,107 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,108 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,108 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_4,QUANTIFIED] [2021-10-16 02:35:07,108 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,109 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_1,QUANTIFIED] [2021-10-16 02:35:07,109 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,109 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,110 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,110 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,110 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_4,QUANTIFIED] [2021-10-16 02:35:07,111 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_77,QUANTIFIED] [2021-10-16 02:35:07,111 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,111 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_1,QUANTIFIED] [2021-10-16 02:35:07,111 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,112 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_77,QUANTIFIED] [2021-10-16 02:35:07,112 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,112 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,113 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_4,QUANTIFIED] [2021-10-16 02:35:07,113 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_1,QUANTIFIED] [2021-10-16 02:35:07,113 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 02:35:07,113 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 02:35:07,114 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_3,QUANTIFIED] [2021-10-16 02:35:07,114 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_2,QUANTIFIED] [2021-10-16 02:35:07,114 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,115 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,115 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_4,QUANTIFIED] [2021-10-16 02:35:07,115 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_1,QUANTIFIED] [2021-10-16 02:35:07,116 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,116 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_77,QUANTIFIED] [2021-10-16 02:35:07,116 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,117 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,117 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,117 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_4,QUANTIFIED] [2021-10-16 02:35:07,117 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_77,QUANTIFIED] [2021-10-16 02:35:07,118 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,118 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_1,QUANTIFIED] [2021-10-16 02:35:07,118 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,119 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,119 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_77,QUANTIFIED] [2021-10-16 02:35:07,119 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,120 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,120 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,120 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,121 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_4,QUANTIFIED] [2021-10-16 02:35:07,121 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,121 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_1,QUANTIFIED] [2021-10-16 02:35:07,122 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_sll_circular_update_at_~data,QUANTIFIED] [2021-10-16 02:35:07,122 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,122 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_1,QUANTIFIED] [2021-10-16 02:35:07,123 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 02:35:07,123 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_2,QUANTIFIED] [2021-10-16 02:35:07,132 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,133 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_77,QUANTIFIED] [2021-10-16 02:35:07,133 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,133 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,134 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,134 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,134 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_4,QUANTIFIED] [2021-10-16 02:35:07,135 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,135 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_1,QUANTIFIED] [2021-10-16 02:35:07,135 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,136 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,136 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,136 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,137 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_4,QUANTIFIED] [2021-10-16 02:35:07,137 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_77,QUANTIFIED] [2021-10-16 02:35:07,137 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,137 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_1,QUANTIFIED] [2021-10-16 02:35:07,138 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,138 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_77,QUANTIFIED] [2021-10-16 02:35:07,139 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,139 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,139 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_4,QUANTIFIED] [2021-10-16 02:35:07,139 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_1,QUANTIFIED] [2021-10-16 02:35:07,140 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 02:35:07,140 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 02:35:07,140 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_3,QUANTIFIED] [2021-10-16 02:35:07,141 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_2,QUANTIFIED] [2021-10-16 02:35:07,141 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,141 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,142 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_4,QUANTIFIED] [2021-10-16 02:35:07,142 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_1,QUANTIFIED] [2021-10-16 02:35:07,142 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,143 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_77,QUANTIFIED] [2021-10-16 02:35:07,143 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,143 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,143 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,144 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_4,QUANTIFIED] [2021-10-16 02:35:07,144 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_77,QUANTIFIED] [2021-10-16 02:35:07,144 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,145 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_1,QUANTIFIED] [2021-10-16 02:35:07,145 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,145 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,146 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_77,QUANTIFIED] [2021-10-16 02:35:07,146 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,146 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,146 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,147 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,147 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_4,QUANTIFIED] [2021-10-16 02:35:07,147 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,148 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_1,QUANTIFIED] [2021-10-16 02:35:07,151 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_sll_circular_update_at_~data,QUANTIFIED] [2021-10-16 02:35:07,151 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,152 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_1,QUANTIFIED] [2021-10-16 02:35:07,152 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 02:35:07,152 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_2,QUANTIFIED] [2021-10-16 02:35:07,156 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,157 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,158 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,158 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 02:35:07,171 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,171 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 02:35:07,172 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,172 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 02:35:07,174 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,174 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 02:35:07,175 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,175 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 02:35:07,175 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,175 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 02:35:07,177 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,178 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 02:35:07,179 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,180 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 02:35:07,188 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 02:35:07,189 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,189 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,189 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_sll_circular_create_~last~0.offset,QUANTIFIED] [2021-10-16 02:35:07,189 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,190 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 02:35:07,191 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,191 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,191 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_sll_circular_create_~last~0.offset,QUANTIFIED] [2021-10-16 02:35:07,191 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,192 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,192 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 02:35:07,193 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,193 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_77,QUANTIFIED] [2021-10-16 02:35:07,193 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,193 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,194 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,194 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,194 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_4,QUANTIFIED] [2021-10-16 02:35:07,194 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,195 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_1,QUANTIFIED] [2021-10-16 02:35:07,195 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,195 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,195 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,196 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,196 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_4,QUANTIFIED] [2021-10-16 02:35:07,196 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_77,QUANTIFIED] [2021-10-16 02:35:07,196 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,196 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_1,QUANTIFIED] [2021-10-16 02:35:07,197 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,197 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_77,QUANTIFIED] [2021-10-16 02:35:07,197 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_sll_circular_update_at_~data,QUANTIFIED] [2021-10-16 02:35:07,197 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,198 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_1,QUANTIFIED] [2021-10-16 02:35:07,198 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 02:35:07,198 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_2,QUANTIFIED] [2021-10-16 02:35:07,199 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,200 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 02:35:07,200 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,200 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_77,QUANTIFIED] [2021-10-16 02:35:07,200 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,201 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,201 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,201 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,201 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_4,QUANTIFIED] [2021-10-16 02:35:07,202 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,202 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_1,QUANTIFIED] [2021-10-16 02:35:07,202 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,202 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,203 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,217 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,218 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_4,QUANTIFIED] [2021-10-16 02:35:07,219 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_77,QUANTIFIED] [2021-10-16 02:35:07,219 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,220 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_1,QUANTIFIED] [2021-10-16 02:35:07,220 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,220 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_77,QUANTIFIED] [2021-10-16 02:35:07,220 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_sll_circular_update_at_~data,QUANTIFIED] [2021-10-16 02:35:07,221 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,221 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_1,QUANTIFIED] [2021-10-16 02:35:07,221 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 02:35:07,221 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_2,QUANTIFIED] [2021-10-16 02:35:07,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:35:07 BoogieIcfgContainer [2021-10-16 02:35:07,224 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 02:35:07,225 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 02:35:07,225 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 02:35:07,225 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 02:35:07,226 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:30:28" (3/4) ... [2021-10-16 02:35:07,229 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-16 02:35:07,250 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-10-16 02:35:07,250 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-16 02:35:07,251 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 02:35:07,251 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 02:35:07,280 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv1 == ~bvadd64(~bvneg32(~bvneg32(\valid[\result])), 1bv1) && 0bv1 == ~bvadd64(1bv1, ~bvneg32(\valid[temp]))) && len == 2bv32) && \result == 0bv32) && 0bv32 == temp) && 2bv32 == len [2021-10-16 02:35:07,281 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((head == last && 0bv1 == ~bvadd64(~bvneg32(~bvneg32(\valid[\result])), 1bv1)) && 0bv1 == ~bvadd64(1bv1, ~bvneg32(\valid[temp]))) && len == 2bv32) && \result == 0bv32) && head == 0bv32) && 0bv1 == ~bvadd64(~bvneg32(~bvneg32(~bvneg32(~bvneg32(\valid[head])))), 1bv1)) && 0bv32 == temp) && 2bv32 == len) || (((((((((((#memory_$Pointer$[head][head] == 0bv32 && !(0bv1 == ~bvneg32(~bvneg32(~bvneg32(\valid[head]))))) && 0bv1 == ~bvadd64(~bvneg32(~bvneg32(\valid[\result])), 1bv1)) && 0bv1 == ~bvadd64(1bv1, ~bvneg32(\valid[temp]))) && len == 2bv32) && !(0bv1 == \valid[last])) && \result == 0bv32) && (forall ULTIMATE.start_sll_circular_create_~last~0.offset : bv32 :: !(#memory_$Pointer$[last := #memory_$Pointer$[last][ULTIMATE.start_sll_circular_create_~last~0.offset := head]][head][head] == head))) && #memory_$Pointer$[head][head] == last) && len == 1bv32) && head == 0bv32) && 0bv32 == temp) [2021-10-16 02:35:07,281 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0bv32 && !(#memory_$Pointer$[\result][\result] == \result)) && len == 2bv32) && \result == 0bv32) && len == 1bv32) && head == 0bv32) && 0bv32 == temp [2021-10-16 02:35:07,281 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((s == 0bv32 && s == head) && \result == 0bv32) && len == 2bv32) && ~bvadd64(1bv32, unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][~bvadd64(4bv32, #memory_$Pointer$[s][s])]) == ~bvmul32(2bv32, len)) && \result == 0bv32) && data == ~bvadd64(len, index)) && ~bvadd64(2bv32, unknown-#memory_int-unknown[s][~bvadd64(4bv32, s)]) == ~bvmul32(2bv32, len)) && len == 1bv32) && head == 0bv32) && ~bvadd64(i, 1bv32) == 0bv32) && head == s) && 0bv32 == temp) && len == ~bvadd64(2bv32, index)) || (((((((((s == 0bv32 && \result == 0bv32) && !(#memory_$Pointer$[\result][\result] == \result)) && (forall v_arrayElimCell_77 : bv32 :: (((s == ~bvadd64(4bv32, v_arrayElimCell_77) && (forall v_DerPreprocessor_4 : bv32, v_DerPreprocessor_1 : bv32 :: #memory_$Pointer$[s][s] == #memory_$Pointer$[#memory_$Pointer$[s][s] := #memory_$Pointer$[#memory_$Pointer$[s][s]][s := v_DerPreprocessor_4]][s][~bvadd64(4bv32, s) := v_DerPreprocessor_1][s])) || !(#memory_$Pointer$[s][s] == s)) && (forall v_DerPreprocessor_4 : bv32, v_DerPreprocessor_1 : bv32 :: #memory_$Pointer$[#memory_$Pointer$[s][s] := #memory_$Pointer$[#memory_$Pointer$[s][s]][~bvadd64(4bv32, v_arrayElimCell_77) := v_DerPreprocessor_4]][s][~bvadd64(4bv32, s) := v_DerPreprocessor_1][s] == #memory_$Pointer$[s][s])) || s == v_arrayElimCell_77)) && len == 2bv32) && \result == 0bv32) && len == 1bv32) && ~bvadd64(i, 1bv32) == len) && head == 0bv32) && 0bv32 == temp)) || (((((((((s == 0bv32 && \result == 0bv32) && i == 0bv32) && index == i) && \result == 0bv32) && ~bvadd64(2bv32, i) == len) && len == 1bv32) && head == 0bv32) && (forall v_DerPreprocessor_2 : bv32, ULTIMATE.start_sll_circular_update_at_~data : bv32, v_DerPreprocessor_1 : bv32 :: ~bvadd64(unknown-#memory_int-unknown[s := unknown-#memory_int-unknown[s][~bvadd64(4bv32, s) := ULTIMATE.start_sll_circular_update_at_~data]][#memory_$Pointer$[s][~bvadd64(4bv32, s) := v_DerPreprocessor_1][s]][~bvadd64(#memory_$Pointer$[s][~bvadd64(4bv32, s) := v_DerPreprocessor_2][s], 4bv32)], 1bv32) == ~bvmul32(2bv32, len))) && 0bv32 == temp) [2021-10-16 02:35:07,282 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((s == 0bv32 && s == head) && \result == 0bv32) && index == 0bv32) && len == 2bv32) && \result == 0bv32) && data == ~bvadd64(len, index)) && 2bv32 == \result) && ~bvadd64(2bv32, unknown-#memory_int-unknown[s][~bvadd64(4bv32, s)]) == ~bvmul32(2bv32, len)) && expected == 2bv32) && len == 1bv32) && head == 0bv32) && ~bvadd64(i, 1bv32) == 0bv32) && head == 0bv32) && head == s) && 2bv32 == unknown-#memory_int-unknown[head][4bv32]) && 0bv32 == temp) && len == ~bvadd64(2bv32, index)) || (((((((((((((s == 0bv32 && s == head) && \result == 0bv32) && len == 2bv32) && ~bvadd64(1bv32, unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][~bvadd64(4bv32, #memory_$Pointer$[s][s])]) == ~bvmul32(2bv32, len)) && \result == 0bv32) && data == ~bvadd64(len, index)) && ~bvadd64(2bv32, unknown-#memory_int-unknown[s][~bvadd64(4bv32, s)]) == ~bvmul32(2bv32, len)) && len == 1bv32) && ~bvadd64(i, 1bv32) == len) && head == 0bv32) && head == s) && 0bv32 == temp) && len == ~bvadd64(2bv32, index))) || (((((((((((((s == 0bv32 && s == head) && \result == 0bv32) && index == 0bv32) && len == 2bv32) && \result == 0bv32) && ~bvadd64(2bv32, i) == len) && data == ~bvadd64(len, index)) && ~bvadd64(2bv32, unknown-#memory_int-unknown[s][~bvadd64(4bv32, s)]) == ~bvmul32(2bv32, len)) && len == 1bv32) && head == 0bv32) && head == s) && 0bv32 == temp) && len == ~bvadd64(2bv32, index)) [2021-10-16 02:35:07,282 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((head == last && 0bv1 == ~bvadd64(~bvneg32(~bvneg32(\valid[\result])), 1bv1)) && !(head == \result)) && 0bv1 == ~bvadd64(1bv1, ~bvneg32(\valid[temp]))) && !(temp == head)) && len == 2bv32) && \result == 0bv32) && head == 0bv32) && 0bv1 == ~bvadd64(~bvneg32(~bvneg32(~bvneg32(~bvneg32(\valid[head])))), 1bv1)) && 0bv32 == temp) && 2bv32 == len [2021-10-16 02:35:07,282 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((s == 0bv32 && \result == 0bv32) && !(#memory_$Pointer$[\result][\result] == \result)) && (forall v_arrayElimCell_77 : bv32 :: (((s == ~bvadd64(4bv32, v_arrayElimCell_77) && (forall v_DerPreprocessor_4 : bv32, v_DerPreprocessor_1 : bv32 :: #memory_$Pointer$[s][s] == #memory_$Pointer$[#memory_$Pointer$[s][s] := #memory_$Pointer$[#memory_$Pointer$[s][s]][s := v_DerPreprocessor_4]][s][~bvadd64(4bv32, s) := v_DerPreprocessor_1][s])) || !(#memory_$Pointer$[s][s] == s)) && (forall v_DerPreprocessor_4 : bv32, v_DerPreprocessor_1 : bv32 :: #memory_$Pointer$[#memory_$Pointer$[s][s] := #memory_$Pointer$[#memory_$Pointer$[s][s]][~bvadd64(4bv32, v_arrayElimCell_77) := v_DerPreprocessor_4]][s][~bvadd64(4bv32, s) := v_DerPreprocessor_1][s] == #memory_$Pointer$[s][s])) || s == v_arrayElimCell_77)) && len == 2bv32) && \result == 0bv32) && (forall v_DerPreprocessor_4 : bv32, v_DerPreprocessor_1 : bv32 :: s == #memory_$Pointer$[head := #memory_$Pointer$[head][~bvadd64(4bv32, head) := v_DerPreprocessor_4]][s][~bvadd64(4bv32, s) := v_DerPreprocessor_1][s] || ((forall v_DerPreprocessor_3 : bv32, v_DerPreprocessor_2 : bv32 :: #memory_$Pointer$[head := #memory_$Pointer$[head][~bvadd64(4bv32, head) := v_DerPreprocessor_3]][s][~bvadd64(4bv32, s) := v_DerPreprocessor_2][s] == head) && head == #memory_$Pointer$[head := #memory_$Pointer$[head][~bvadd64(4bv32, head) := v_DerPreprocessor_4]][s][~bvadd64(4bv32, s) := v_DerPreprocessor_1][s]))) && len == 1bv32) && ~bvadd64(i, 1bv32) == len) && head == 0bv32) && ~bvadd64(index, 1bv32) == i) && 0bv32 == temp) && ~bvmul32(2bv32, len) == ~bvadd64(data, 1bv32)) || ((((((((((((s == 0bv32 && \result == 0bv32) && !(#memory_$Pointer$[\result][\result] == \result)) && len == 2bv32) && (forall v_arrayElimCell_77 : bv32 :: s == v_arrayElimCell_77 || (((forall v_DerPreprocessor_4 : bv32, v_DerPreprocessor_1 : bv32 :: #memory_$Pointer$[#memory_$Pointer$[head][head] := #memory_$Pointer$[#memory_$Pointer$[head][head]][~bvadd64(4bv32, v_arrayElimCell_77) := v_DerPreprocessor_4]][s][~bvadd64(4bv32, s) := v_DerPreprocessor_1][s] == #memory_$Pointer$[head][head]) && s == head) && (!(head == #memory_$Pointer$[head][head]) || (head == ~bvadd64(4bv32, v_arrayElimCell_77) && (forall v_DerPreprocessor_4 : bv32, v_DerPreprocessor_1 : bv32 :: #memory_$Pointer$[head][head] == #memory_$Pointer$[#memory_$Pointer$[head][head] := #memory_$Pointer$[#memory_$Pointer$[head][head]][head := v_DerPreprocessor_4]][s][~bvadd64(4bv32, s) := v_DerPreprocessor_1][s])))))) && index == 1bv32) && \result == 0bv32) && len == 1bv32) && ~bvadd64(i, 1bv32) == len) && head == 0bv32) && head == s) && 0bv32 == temp) && ~bvmul32(2bv32, len) == ~bvadd64(data, 1bv32))) || ((((((((((((s == 0bv32 && s == head) && \result == 0bv32) && len == 2bv32) && \result == 0bv32) && ~bvadd64(2bv32, i) == len) && data == ~bvadd64(len, index)) && len == 1bv32) && head == 0bv32) && head == s) && (forall v_DerPreprocessor_2 : bv32, ULTIMATE.start_sll_circular_update_at_~data : bv32, v_DerPreprocessor_1 : bv32 :: ~bvadd64(unknown-#memory_int-unknown[s := unknown-#memory_int-unknown[s][~bvadd64(4bv32, s) := ULTIMATE.start_sll_circular_update_at_~data]][#memory_$Pointer$[s][~bvadd64(4bv32, s) := v_DerPreprocessor_1][s]][~bvadd64(#memory_$Pointer$[s][~bvadd64(4bv32, s) := v_DerPreprocessor_2][s], 4bv32)], 1bv32) == ~bvmul32(2bv32, len))) && 0bv32 == temp) && len == ~bvadd64(2bv32, index)) [2021-10-16 02:35:07,283 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((s == 0bv32 && s == head) && \result == 0bv32) && unknown-#memory_int-unknown[#memory_$Pointer$[head][head]][~bvadd64(4bv32, #memory_$Pointer$[head][head])] == expected) && len == 2bv32) && ~bvadd64(1bv32, unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][~bvadd64(4bv32, #memory_$Pointer$[s][s])]) == ~bvmul32(2bv32, len)) && \result == 0bv32) && data == ~bvadd64(len, index)) && ~bvadd64(2bv32, unknown-#memory_int-unknown[s][~bvadd64(4bv32, s)]) == ~bvmul32(2bv32, len)) && index == 1bv32) && len == 1bv32) && ~bvadd64(i, 1bv32) == len) && head == 0bv32) && head == s) && 0bv32 == temp) && len == ~bvadd64(2bv32, index)) || ((((((((((((((((s == 0bv32 && s == head) && \result == 0bv32) && index == i) && len == 2bv32) && \result == 0bv32) && ~bvadd64(2bv32, i) == len) && data == ~bvadd64(len, index)) && ~bvadd64(2bv32, unknown-#memory_int-unknown[s][~bvadd64(4bv32, s)]) == ~bvmul32(2bv32, len)) && expected == 2bv32) && len == 1bv32) && head == 0bv32) && head == 0bv32) && head == s) && 2bv32 == unknown-#memory_int-unknown[head][4bv32]) && 0bv32 == temp) && len == ~bvadd64(2bv32, index))) || (((((((((((((((s == 0bv32 && s == head) && \result == 0bv32) && index == 0bv32) && len == 2bv32) && ~bvadd64(1bv32, unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][~bvadd64(4bv32, #memory_$Pointer$[s][s])]) == ~bvmul32(2bv32, len)) && \result == 0bv32) && data == ~bvadd64(len, index)) && ~bvadd64(2bv32, unknown-#memory_int-unknown[s][~bvadd64(4bv32, s)]) == ~bvmul32(2bv32, len)) && len == 1bv32) && ~bvadd64(i, 1bv32) == len) && head == 0bv32) && unknown-#memory_int-unknown[head][~bvadd64(4bv32, head)] == expected) && head == s) && 0bv32 == temp) && len == ~bvadd64(2bv32, index)) [2021-10-16 02:35:07,283 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((s == 0bv32 && s == head) && expected == \result) && \result == 0bv32) && !~bvsgt32(index, 0bv32)) && index == 0bv32) && ~bvsgt32(~bvadd64(index, 1bv32), 0bv32)) && ~bvadd64(1bv32, unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][~bvadd64(4bv32, #memory_$Pointer$[s][s])]) == ~bvmul32(2bv32, len)) && \result == 0bv32) && data == ~bvadd64(len, index)) && ~bvadd64(2bv32, unknown-#memory_int-unknown[s][~bvadd64(4bv32, s)]) == ~bvmul32(2bv32, len)) && len == 1bv32) && ~bvadd64(i, 1bv32) == len) && head == 0bv32) && unknown-#memory_int-unknown[head][~bvadd64(4bv32, head)] == expected) && head == s) && 0bv32 == temp) && len == ~bvadd64(2bv32, index)) || (((((((((((((((((s == 0bv32 && s == head) && \result == 0bv32) && index == 0bv32) && index == i) && \result == 0bv32) && ~bvadd64(2bv32, i) == len) && data == ~bvadd64(len, index)) && 2bv32 == \result) && ~bvadd64(2bv32, unknown-#memory_int-unknown[s][~bvadd64(4bv32, s)]) == ~bvmul32(2bv32, len)) && expected == 2bv32) && len == 1bv32) && head == 0bv32) && head == 0bv32) && head == s) && 2bv32 == unknown-#memory_int-unknown[head][4bv32]) && 0bv32 == temp) && len == ~bvadd64(2bv32, index)) [2021-10-16 02:35:07,299 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/witness.graphml [2021-10-16 02:35:07,299 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 02:35:07,300 INFO L168 Benchmark]: Toolchain (without parser) took 280431.05 ms. Allocated memory was 83.9 MB in the beginning and 111.1 MB in the end (delta: 27.3 MB). Free memory was 65.2 MB in the beginning and 34.6 MB in the end (delta: 30.6 MB). Peak memory consumption was 58.3 MB. Max. memory is 16.1 GB. [2021-10-16 02:35:07,301 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 83.9 MB. Free memory was 64.7 MB in the beginning and 64.6 MB in the end (delta: 60.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:35:07,301 INFO L168 Benchmark]: CACSL2BoogieTranslator took 712.36 ms. Allocated memory is still 83.9 MB. Free memory was 65.0 MB in the beginning and 57.8 MB in the end (delta: 7.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:35:07,301 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.12 ms. Allocated memory is still 83.9 MB. Free memory was 57.6 MB in the beginning and 55.5 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:35:07,302 INFO L168 Benchmark]: Boogie Preprocessor took 92.22 ms. Allocated memory is still 83.9 MB. Free memory was 55.5 MB in the beginning and 53.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 02:35:07,302 INFO L168 Benchmark]: RCFGBuilder took 792.21 ms. Allocated memory is still 83.9 MB. Free memory was 53.4 MB in the beginning and 38.8 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-16 02:35:07,302 INFO L168 Benchmark]: TraceAbstraction took 278643.37 ms. Allocated memory was 83.9 MB in the beginning and 111.1 MB in the end (delta: 27.3 MB). Free memory was 38.3 MB in the beginning and 38.8 MB in the end (delta: -568.5 kB). Peak memory consumption was 45.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:35:07,303 INFO L168 Benchmark]: Witness Printer took 74.62 ms. Allocated memory is still 111.1 MB. Free memory was 38.8 MB in the beginning and 34.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 02:35:07,304 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 83.9 MB. Free memory was 64.7 MB in the beginning and 64.6 MB in the end (delta: 60.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 712.36 ms. Allocated memory is still 83.9 MB. Free memory was 65.0 MB in the beginning and 57.8 MB in the end (delta: 7.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 94.12 ms. Allocated memory is still 83.9 MB. Free memory was 57.6 MB in the beginning and 55.5 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 92.22 ms. Allocated memory is still 83.9 MB. Free memory was 55.5 MB in the beginning and 53.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 792.21 ms. Allocated memory is still 83.9 MB. Free memory was 53.4 MB in the beginning and 38.8 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 278643.37 ms. Allocated memory was 83.9 MB in the beginning and 111.1 MB in the end (delta: 27.3 MB). Free memory was 38.3 MB in the beginning and 38.8 MB in the end (delta: -568.5 kB). Peak memory consumption was 45.5 MB. Max. memory is 16.1 GB. * Witness Printer took 74.62 ms. Allocated memory is still 111.1 MB. Free memory was 38.8 MB in the beginning and 34.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$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_$Pointer$.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_$Pointer$.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[v_arrayElimCell_77,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_$Pointer$.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[v_DerPreprocessor_4,QUANTIFIED] - 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[v_DerPreprocessor_1,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_$Pointer$.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[v_DerPreprocessor_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_77,QUANTIFIED] - 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[v_DerPreprocessor_1,QUANTIFIED] - 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[v_arrayElimCell_77,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[v_DerPreprocessor_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_1,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_$Pointer$.offset - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_2,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[v_DerPreprocessor_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_1,QUANTIFIED] - 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[v_arrayElimCell_77,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_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_77,QUANTIFIED] - 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[v_DerPreprocessor_1,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[v_arrayElimCell_77,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_$Pointer$.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[v_DerPreprocessor_4,QUANTIFIED] - 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[v_DerPreprocessor_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_sll_circular_update_at_~data,QUANTIFIED] - 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[v_DerPreprocessor_1,QUANTIFIED] - 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[v_DerPreprocessor_2,QUANTIFIED] - 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[v_arrayElimCell_77,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_$Pointer$.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[v_DerPreprocessor_4,QUANTIFIED] - 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[v_DerPreprocessor_1,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_$Pointer$.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[v_DerPreprocessor_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_77,QUANTIFIED] - 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[v_DerPreprocessor_1,QUANTIFIED] - 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[v_arrayElimCell_77,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[v_DerPreprocessor_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_1,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_$Pointer$.offset - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_2,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[v_DerPreprocessor_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_1,QUANTIFIED] - 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[v_arrayElimCell_77,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_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_77,QUANTIFIED] - 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[v_DerPreprocessor_1,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[v_arrayElimCell_77,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_$Pointer$.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[v_DerPreprocessor_4,QUANTIFIED] - 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[v_DerPreprocessor_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_sll_circular_update_at_~data,QUANTIFIED] - 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[v_DerPreprocessor_1,QUANTIFIED] - 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[v_DerPreprocessor_2,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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.offset - 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_sll_circular_create_~last~0.offset,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_$Pointer$.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_sll_circular_create_~last~0.offset,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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_77,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_$Pointer$.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[v_DerPreprocessor_4,QUANTIFIED] - 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[v_DerPreprocessor_1,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_$Pointer$.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[v_DerPreprocessor_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_77,QUANTIFIED] - 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[v_DerPreprocessor_1,QUANTIFIED] - 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[v_arrayElimCell_77,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_sll_circular_update_at_~data,QUANTIFIED] - 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[v_DerPreprocessor_1,QUANTIFIED] - 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[v_DerPreprocessor_2,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_$Pointer$.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[v_arrayElimCell_77,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_$Pointer$.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[v_DerPreprocessor_4,QUANTIFIED] - 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[v_DerPreprocessor_1,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_$Pointer$.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[v_DerPreprocessor_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_77,QUANTIFIED] - 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[v_DerPreprocessor_1,QUANTIFIED] - 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[v_arrayElimCell_77,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_sll_circular_update_at_~data,QUANTIFIED] - 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[v_DerPreprocessor_1,QUANTIFIED] - 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[v_DerPreprocessor_2,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 637]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 278352.5ms, OverallIterations: 13, TraceHistogramMax: 4, EmptinessCheckTime: 46.7ms, AutomataDifference: 79081.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 21325.5ms, InitialAbstractionConstructionTime: 21.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 295 SDtfs, 2103 SDslu, 1313 SDs, 0 SdLazy, 2198 SolverSat, 734 SolverUnsat, 12 SolverUnknown, 0 SolverNotchecked, 38645.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1891 GetRequests, 1561 SyntacticMatches, 10 SemanticMatches, 320 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 5794 ImplicationChecksByTransitivity, 126078.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred in iteration=9, InterpolantAutomatonStates: 162, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 236.0ms AutomataMinimizationTime, 13 MinimizatonAttempts, 241 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 14 LocationsWithAnnotation, 14 PreInvPairs, 34 NumberOfFragments, 1595 HoareAnnotationTreeSize, 14 FomulaSimplifications, 12949 FormulaSimplificationTreeSizeReduction, 435.7ms HoareSimplificationTime, 14 FomulaSimplificationsInter, 2549 FormulaSimplificationTreeSizeReductionInter, 20879.9ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 514.0ms SsaConstructionTime, 3260.3ms SatisfiabilityAnalysisTime, 156649.5ms InterpolantComputationTime, 915 NumberOfCodeBlocks, 801 NumberOfCodeBlocksAsserted, 49 NumberOfCheckSat, 1774 ConstructedInterpolants, 52 QuantifiedInterpolants, 12734 SizeOfPredicates, 285 NumberOfNonLiveVariables, 3347 ConjunctsInSsa, 399 ConjunctsInUnsatCore, 56 InterpolantComputations, 11 PerfectInterpolantSequences, 699/950 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 572]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 574]: Loop Invariant Derived loop invariant: (((((((((head == last && 0bv1 == ~bvadd64(~bvneg32(~bvneg32(\valid[\result])), 1bv1)) && !(head == \result)) && 0bv1 == ~bvadd64(1bv1, ~bvneg32(\valid[temp]))) && !(temp == head)) && len == 2bv32) && \result == 0bv32) && head == 0bv32) && 0bv1 == ~bvadd64(~bvneg32(~bvneg32(~bvneg32(~bvneg32(\valid[head])))), 1bv1)) && 0bv32 == temp) && 2bv32 == len - InvariantResult [Line: 629]: Loop Invariant [2021-10-16 02:35:07,313 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,313 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 02:35:07,314 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,315 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: ((((((((((((((((((s == 0bv32 && s == head) && \result == 0bv32) && index == 0bv32) && len == 2bv32) && \result == 0bv32) && data == ~bvadd64(len, index)) && 2bv32 == \result) && ~bvadd64(2bv32, unknown-#memory_int-unknown[s][~bvadd64(4bv32, s)]) == ~bvmul32(2bv32, len)) && expected == 2bv32) && len == 1bv32) && head == 0bv32) && ~bvadd64(i, 1bv32) == 0bv32) && head == 0bv32) && head == s) && 2bv32 == unknown-#memory_int-unknown[head][4bv32]) && 0bv32 == temp) && len == ~bvadd64(2bv32, index)) || (((((((((((((s == 0bv32 && s == head) && \result == 0bv32) && len == 2bv32) && ~bvadd64(1bv32, unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][~bvadd64(4bv32, #memory_$Pointer$[s][s])]) == ~bvmul32(2bv32, len)) && \result == 0bv32) && data == ~bvadd64(len, index)) && ~bvadd64(2bv32, unknown-#memory_int-unknown[s][~bvadd64(4bv32, s)]) == ~bvmul32(2bv32, len)) && len == 1bv32) && ~bvadd64(i, 1bv32) == len) && head == 0bv32) && head == s) && 0bv32 == temp) && len == ~bvadd64(2bv32, index))) || (((((((((((((s == 0bv32 && s == head) && \result == 0bv32) && index == 0bv32) && len == 2bv32) && \result == 0bv32) && ~bvadd64(2bv32, i) == len) && data == ~bvadd64(len, index)) && ~bvadd64(2bv32, unknown-#memory_int-unknown[s][~bvadd64(4bv32, s)]) == ~bvmul32(2bv32, len)) && len == 1bv32) && head == 0bv32) && head == s) && 0bv32 == temp) && len == ~bvadd64(2bv32, index)) - InvariantResult [Line: 614]: Loop Invariant [2021-10-16 02:35:07,316 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,316 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_77,QUANTIFIED] [2021-10-16 02:35:07,316 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,316 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,316 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,317 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,317 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_4,QUANTIFIED] [2021-10-16 02:35:07,317 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,317 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_1,QUANTIFIED] [2021-10-16 02:35:07,317 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,317 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,317 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,318 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,318 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_4,QUANTIFIED] [2021-10-16 02:35:07,318 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_77,QUANTIFIED] [2021-10-16 02:35:07,318 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,318 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_1,QUANTIFIED] [2021-10-16 02:35:07,318 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,318 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_77,QUANTIFIED] [2021-10-16 02:35:07,318 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,319 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,319 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_4,QUANTIFIED] [2021-10-16 02:35:07,319 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_1,QUANTIFIED] [2021-10-16 02:35:07,319 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 02:35:07,319 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 02:35:07,319 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_3,QUANTIFIED] [2021-10-16 02:35:07,320 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_2,QUANTIFIED] [2021-10-16 02:35:07,320 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,320 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,320 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_4,QUANTIFIED] [2021-10-16 02:35:07,320 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_1,QUANTIFIED] [2021-10-16 02:35:07,321 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,321 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_77,QUANTIFIED] [2021-10-16 02:35:07,321 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,321 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,321 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,322 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_4,QUANTIFIED] [2021-10-16 02:35:07,322 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_77,QUANTIFIED] [2021-10-16 02:35:07,322 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,322 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_1,QUANTIFIED] [2021-10-16 02:35:07,322 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,322 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,323 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_77,QUANTIFIED] [2021-10-16 02:35:07,323 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,324 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,324 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,324 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,324 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_4,QUANTIFIED] [2021-10-16 02:35:07,325 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,325 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_1,QUANTIFIED] [2021-10-16 02:35:07,325 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_sll_circular_update_at_~data,QUANTIFIED] [2021-10-16 02:35:07,325 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,326 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_1,QUANTIFIED] [2021-10-16 02:35:07,326 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 02:35:07,326 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_2,QUANTIFIED] [2021-10-16 02:35:07,328 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,328 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_77,QUANTIFIED] [2021-10-16 02:35:07,329 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,329 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,329 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,329 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,330 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_4,QUANTIFIED] [2021-10-16 02:35:07,330 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,330 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_1,QUANTIFIED] [2021-10-16 02:35:07,331 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,331 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,331 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,331 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,332 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_4,QUANTIFIED] [2021-10-16 02:35:07,332 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_77,QUANTIFIED] [2021-10-16 02:35:07,332 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,332 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_1,QUANTIFIED] [2021-10-16 02:35:07,333 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,333 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_77,QUANTIFIED] [2021-10-16 02:35:07,337 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,338 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,338 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_4,QUANTIFIED] [2021-10-16 02:35:07,338 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_1,QUANTIFIED] [2021-10-16 02:35:07,338 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 02:35:07,339 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 02:35:07,339 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_3,QUANTIFIED] [2021-10-16 02:35:07,339 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_2,QUANTIFIED] [2021-10-16 02:35:07,339 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,340 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,340 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_4,QUANTIFIED] [2021-10-16 02:35:07,340 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_1,QUANTIFIED] [2021-10-16 02:35:07,340 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,340 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_77,QUANTIFIED] [2021-10-16 02:35:07,341 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,341 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,341 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,341 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_4,QUANTIFIED] [2021-10-16 02:35:07,342 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_77,QUANTIFIED] [2021-10-16 02:35:07,342 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,342 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_1,QUANTIFIED] [2021-10-16 02:35:07,342 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,343 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,343 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_77,QUANTIFIED] [2021-10-16 02:35:07,343 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,343 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,344 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,344 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,344 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_4,QUANTIFIED] [2021-10-16 02:35:07,345 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,345 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_1,QUANTIFIED] [2021-10-16 02:35:07,345 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_sll_circular_update_at_~data,QUANTIFIED] [2021-10-16 02:35:07,345 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,346 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_1,QUANTIFIED] [2021-10-16 02:35:07,346 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 02:35:07,346 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_2,QUANTIFIED] Derived loop invariant: (((((((((((((s == 0bv32 && \result == 0bv32) && !(#memory_$Pointer$[\result][\result] == \result)) && (forall v_arrayElimCell_77 : bv32 :: (((s == ~bvadd64(4bv32, v_arrayElimCell_77) && (forall v_DerPreprocessor_4 : bv32, v_DerPreprocessor_1 : bv32 :: #memory_$Pointer$[s][s] == #memory_$Pointer$[#memory_$Pointer$[s][s] := #memory_$Pointer$[#memory_$Pointer$[s][s]][s := v_DerPreprocessor_4]][s][~bvadd64(4bv32, s) := v_DerPreprocessor_1][s])) || !(#memory_$Pointer$[s][s] == s)) && (forall v_DerPreprocessor_4 : bv32, v_DerPreprocessor_1 : bv32 :: #memory_$Pointer$[#memory_$Pointer$[s][s] := #memory_$Pointer$[#memory_$Pointer$[s][s]][~bvadd64(4bv32, v_arrayElimCell_77) := v_DerPreprocessor_4]][s][~bvadd64(4bv32, s) := v_DerPreprocessor_1][s] == #memory_$Pointer$[s][s])) || s == v_arrayElimCell_77)) && len == 2bv32) && \result == 0bv32) && (forall v_DerPreprocessor_4 : bv32, v_DerPreprocessor_1 : bv32 :: s == #memory_$Pointer$[head := #memory_$Pointer$[head][~bvadd64(4bv32, head) := v_DerPreprocessor_4]][s][~bvadd64(4bv32, s) := v_DerPreprocessor_1][s] || ((forall v_DerPreprocessor_3 : bv32, v_DerPreprocessor_2 : bv32 :: #memory_$Pointer$[head := #memory_$Pointer$[head][~bvadd64(4bv32, head) := v_DerPreprocessor_3]][s][~bvadd64(4bv32, s) := v_DerPreprocessor_2][s] == head) && head == #memory_$Pointer$[head := #memory_$Pointer$[head][~bvadd64(4bv32, head) := v_DerPreprocessor_4]][s][~bvadd64(4bv32, s) := v_DerPreprocessor_1][s]))) && len == 1bv32) && ~bvadd64(i, 1bv32) == len) && head == 0bv32) && ~bvadd64(index, 1bv32) == i) && 0bv32 == temp) && ~bvmul32(2bv32, len) == ~bvadd64(data, 1bv32)) || ((((((((((((s == 0bv32 && \result == 0bv32) && !(#memory_$Pointer$[\result][\result] == \result)) && len == 2bv32) && (forall v_arrayElimCell_77 : bv32 :: s == v_arrayElimCell_77 || (((forall v_DerPreprocessor_4 : bv32, v_DerPreprocessor_1 : bv32 :: #memory_$Pointer$[#memory_$Pointer$[head][head] := #memory_$Pointer$[#memory_$Pointer$[head][head]][~bvadd64(4bv32, v_arrayElimCell_77) := v_DerPreprocessor_4]][s][~bvadd64(4bv32, s) := v_DerPreprocessor_1][s] == #memory_$Pointer$[head][head]) && s == head) && (!(head == #memory_$Pointer$[head][head]) || (head == ~bvadd64(4bv32, v_arrayElimCell_77) && (forall v_DerPreprocessor_4 : bv32, v_DerPreprocessor_1 : bv32 :: #memory_$Pointer$[head][head] == #memory_$Pointer$[#memory_$Pointer$[head][head] := #memory_$Pointer$[#memory_$Pointer$[head][head]][head := v_DerPreprocessor_4]][s][~bvadd64(4bv32, s) := v_DerPreprocessor_1][s])))))) && index == 1bv32) && \result == 0bv32) && len == 1bv32) && ~bvadd64(i, 1bv32) == len) && head == 0bv32) && head == s) && 0bv32 == temp) && ~bvmul32(2bv32, len) == ~bvadd64(data, 1bv32))) || ((((((((((((s == 0bv32 && s == head) && \result == 0bv32) && len == 2bv32) && \result == 0bv32) && ~bvadd64(2bv32, i) == len) && data == ~bvadd64(len, index)) && len == 1bv32) && head == 0bv32) && head == s) && (forall v_DerPreprocessor_2 : bv32, ULTIMATE.start_sll_circular_update_at_~data : bv32, v_DerPreprocessor_1 : bv32 :: ~bvadd64(unknown-#memory_int-unknown[s := unknown-#memory_int-unknown[s][~bvadd64(4bv32, s) := ULTIMATE.start_sll_circular_update_at_~data]][#memory_$Pointer$[s][~bvadd64(4bv32, s) := v_DerPreprocessor_1][s]][~bvadd64(#memory_$Pointer$[s][~bvadd64(4bv32, s) := v_DerPreprocessor_2][s], 4bv32)], 1bv32) == ~bvmul32(2bv32, len))) && 0bv32 == temp) && len == ~bvadd64(2bv32, index)) - InvariantResult [Line: 583]: Loop Invariant [2021-10-16 02:35:07,348 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,349 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: (((((\result == 0bv32 && !(#memory_$Pointer$[\result][\result] == \result)) && len == 2bv32) && \result == 0bv32) && len == 1bv32) && head == 0bv32) && 0bv32 == temp - InvariantResult [Line: 607]: Loop Invariant [2021-10-16 02:35:07,349 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,350 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 02:35:07,350 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,350 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 02:35:07,351 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,351 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 02:35:07,352 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,352 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 02:35:07,353 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,353 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 02:35:07,353 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,353 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: ((((((((((((((((s == 0bv32 && s == head) && \result == 0bv32) && unknown-#memory_int-unknown[#memory_$Pointer$[head][head]][~bvadd64(4bv32, #memory_$Pointer$[head][head])] == expected) && len == 2bv32) && ~bvadd64(1bv32, unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][~bvadd64(4bv32, #memory_$Pointer$[s][s])]) == ~bvmul32(2bv32, len)) && \result == 0bv32) && data == ~bvadd64(len, index)) && ~bvadd64(2bv32, unknown-#memory_int-unknown[s][~bvadd64(4bv32, s)]) == ~bvmul32(2bv32, len)) && index == 1bv32) && len == 1bv32) && ~bvadd64(i, 1bv32) == len) && head == 0bv32) && head == s) && 0bv32 == temp) && len == ~bvadd64(2bv32, index)) || ((((((((((((((((s == 0bv32 && s == head) && \result == 0bv32) && index == i) && len == 2bv32) && \result == 0bv32) && ~bvadd64(2bv32, i) == len) && data == ~bvadd64(len, index)) && ~bvadd64(2bv32, unknown-#memory_int-unknown[s][~bvadd64(4bv32, s)]) == ~bvmul32(2bv32, len)) && expected == 2bv32) && len == 1bv32) && head == 0bv32) && head == 0bv32) && head == s) && 2bv32 == unknown-#memory_int-unknown[head][4bv32]) && 0bv32 == temp) && len == ~bvadd64(2bv32, index))) || (((((((((((((((s == 0bv32 && s == head) && \result == 0bv32) && index == 0bv32) && len == 2bv32) && ~bvadd64(1bv32, unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][~bvadd64(4bv32, #memory_$Pointer$[s][s])]) == ~bvmul32(2bv32, len)) && \result == 0bv32) && data == ~bvadd64(len, index)) && ~bvadd64(2bv32, unknown-#memory_int-unknown[s][~bvadd64(4bv32, s)]) == ~bvmul32(2bv32, len)) && len == 1bv32) && ~bvadd64(i, 1bv32) == len) && head == 0bv32) && unknown-#memory_int-unknown[head][~bvadd64(4bv32, head)] == expected) && head == s) && 0bv32 == temp) && len == ~bvadd64(2bv32, index)) - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant [2021-10-16 02:35:07,355 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,356 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 02:35:07,357 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,357 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: (((((((((((((((((s == 0bv32 && s == head) && expected == \result) && \result == 0bv32) && !~bvsgt32(index, 0bv32)) && index == 0bv32) && ~bvsgt32(~bvadd64(index, 1bv32), 0bv32)) && ~bvadd64(1bv32, unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][~bvadd64(4bv32, #memory_$Pointer$[s][s])]) == ~bvmul32(2bv32, len)) && \result == 0bv32) && data == ~bvadd64(len, index)) && ~bvadd64(2bv32, unknown-#memory_int-unknown[s][~bvadd64(4bv32, s)]) == ~bvmul32(2bv32, len)) && len == 1bv32) && ~bvadd64(i, 1bv32) == len) && head == 0bv32) && unknown-#memory_int-unknown[head][~bvadd64(4bv32, head)] == expected) && head == s) && 0bv32 == temp) && len == ~bvadd64(2bv32, index)) || (((((((((((((((((s == 0bv32 && s == head) && \result == 0bv32) && index == 0bv32) && index == i) && \result == 0bv32) && ~bvadd64(2bv32, i) == len) && data == ~bvadd64(len, index)) && 2bv32 == \result) && ~bvadd64(2bv32, unknown-#memory_int-unknown[s][~bvadd64(4bv32, s)]) == ~bvmul32(2bv32, len)) && expected == 2bv32) && len == 1bv32) && head == 0bv32) && head == 0bv32) && head == s) && 2bv32 == unknown-#memory_int-unknown[head][4bv32]) && 0bv32 == temp) && len == ~bvadd64(2bv32, index)) - InvariantResult [Line: 586]: Loop Invariant [2021-10-16 02:35:07,358 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 02:35:07,358 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,359 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,359 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_sll_circular_create_~last~0.offset,QUANTIFIED] [2021-10-16 02:35:07,359 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,360 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 02:35:07,360 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,360 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,360 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_sll_circular_create_~last~0.offset,QUANTIFIED] [2021-10-16 02:35:07,361 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: ((((((((head == last && 0bv1 == ~bvadd64(~bvneg32(~bvneg32(\valid[\result])), 1bv1)) && 0bv1 == ~bvadd64(1bv1, ~bvneg32(\valid[temp]))) && len == 2bv32) && \result == 0bv32) && head == 0bv32) && 0bv1 == ~bvadd64(~bvneg32(~bvneg32(~bvneg32(~bvneg32(\valid[head])))), 1bv1)) && 0bv32 == temp) && 2bv32 == len) || (((((((((((#memory_$Pointer$[head][head] == 0bv32 && !(0bv1 == ~bvneg32(~bvneg32(~bvneg32(\valid[head]))))) && 0bv1 == ~bvadd64(~bvneg32(~bvneg32(\valid[\result])), 1bv1)) && 0bv1 == ~bvadd64(1bv1, ~bvneg32(\valid[temp]))) && len == 2bv32) && !(0bv1 == \valid[last])) && \result == 0bv32) && (forall ULTIMATE.start_sll_circular_create_~last~0.offset : bv32 :: !(#memory_$Pointer$[last := #memory_$Pointer$[last][ULTIMATE.start_sll_circular_create_~last~0.offset := head]][head][head] == head))) && #memory_$Pointer$[head][head] == last) && len == 1bv32) && head == 0bv32) && 0bv32 == temp) - InvariantResult [Line: 625]: Loop Invariant [2021-10-16 02:35:07,362 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,362 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 02:35:07,362 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,362 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_77,QUANTIFIED] [2021-10-16 02:35:07,363 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,363 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,363 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,363 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,364 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_4,QUANTIFIED] [2021-10-16 02:35:07,364 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,364 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_1,QUANTIFIED] [2021-10-16 02:35:07,364 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,365 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,365 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,365 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,365 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_4,QUANTIFIED] [2021-10-16 02:35:07,366 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_77,QUANTIFIED] [2021-10-16 02:35:07,366 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,366 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_1,QUANTIFIED] [2021-10-16 02:35:07,366 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,367 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_77,QUANTIFIED] [2021-10-16 02:35:07,367 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_sll_circular_update_at_~data,QUANTIFIED] [2021-10-16 02:35:07,367 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,367 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_1,QUANTIFIED] [2021-10-16 02:35:07,368 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 02:35:07,368 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_2,QUANTIFIED] [2021-10-16 02:35:07,369 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,369 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 02:35:07,370 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,370 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_77,QUANTIFIED] [2021-10-16 02:35:07,370 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,370 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,371 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,371 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,371 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_4,QUANTIFIED] [2021-10-16 02:35:07,371 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,372 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_1,QUANTIFIED] [2021-10-16 02:35:07,372 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,372 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,372 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,373 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,373 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_4,QUANTIFIED] [2021-10-16 02:35:07,373 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_77,QUANTIFIED] [2021-10-16 02:35:07,373 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,374 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_1,QUANTIFIED] [2021-10-16 02:35:07,374 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,374 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_77,QUANTIFIED] [2021-10-16 02:35:07,374 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_sll_circular_update_at_~data,QUANTIFIED] [2021-10-16 02:35:07,374 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-16 02:35:07,375 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_1,QUANTIFIED] [2021-10-16 02:35:07,375 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-16 02:35:07,375 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_DerPreprocessor_2,QUANTIFIED] Derived loop invariant: ((((((((((((((s == 0bv32 && s == head) && \result == 0bv32) && len == 2bv32) && ~bvadd64(1bv32, unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][~bvadd64(4bv32, #memory_$Pointer$[s][s])]) == ~bvmul32(2bv32, len)) && \result == 0bv32) && data == ~bvadd64(len, index)) && ~bvadd64(2bv32, unknown-#memory_int-unknown[s][~bvadd64(4bv32, s)]) == ~bvmul32(2bv32, len)) && len == 1bv32) && head == 0bv32) && ~bvadd64(i, 1bv32) == 0bv32) && head == s) && 0bv32 == temp) && len == ~bvadd64(2bv32, index)) || (((((((((s == 0bv32 && \result == 0bv32) && !(#memory_$Pointer$[\result][\result] == \result)) && (forall v_arrayElimCell_77 : bv32 :: (((s == ~bvadd64(4bv32, v_arrayElimCell_77) && (forall v_DerPreprocessor_4 : bv32, v_DerPreprocessor_1 : bv32 :: #memory_$Pointer$[s][s] == #memory_$Pointer$[#memory_$Pointer$[s][s] := #memory_$Pointer$[#memory_$Pointer$[s][s]][s := v_DerPreprocessor_4]][s][~bvadd64(4bv32, s) := v_DerPreprocessor_1][s])) || !(#memory_$Pointer$[s][s] == s)) && (forall v_DerPreprocessor_4 : bv32, v_DerPreprocessor_1 : bv32 :: #memory_$Pointer$[#memory_$Pointer$[s][s] := #memory_$Pointer$[#memory_$Pointer$[s][s]][~bvadd64(4bv32, v_arrayElimCell_77) := v_DerPreprocessor_4]][s][~bvadd64(4bv32, s) := v_DerPreprocessor_1][s] == #memory_$Pointer$[s][s])) || s == v_arrayElimCell_77)) && len == 2bv32) && \result == 0bv32) && len == 1bv32) && ~bvadd64(i, 1bv32) == len) && head == 0bv32) && 0bv32 == temp)) || (((((((((s == 0bv32 && \result == 0bv32) && i == 0bv32) && index == i) && \result == 0bv32) && ~bvadd64(2bv32, i) == len) && len == 1bv32) && head == 0bv32) && (forall v_DerPreprocessor_2 : bv32, ULTIMATE.start_sll_circular_update_at_~data : bv32, v_DerPreprocessor_1 : bv32 :: ~bvadd64(unknown-#memory_int-unknown[s := unknown-#memory_int-unknown[s][~bvadd64(4bv32, s) := ULTIMATE.start_sll_circular_update_at_~data]][#memory_$Pointer$[s][~bvadd64(4bv32, s) := v_DerPreprocessor_1][s]][~bvadd64(#memory_$Pointer$[s][~bvadd64(4bv32, s) := v_DerPreprocessor_2][s], 4bv32)], 1bv32) == ~bvmul32(2bv32, len))) && 0bv32 == temp) - InvariantResult [Line: 574]: Loop Invariant Derived loop invariant: ((((0bv1 == ~bvadd64(~bvneg32(~bvneg32(\valid[\result])), 1bv1) && 0bv1 == ~bvadd64(1bv1, ~bvneg32(\valid[temp]))) && len == 2bv32) && \result == 0bv32) && 0bv32 == temp) && 2bv32 == len - InvariantResult [Line: 572]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-16 02:35:07,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c16753c-d249-4984-91f7-500221b9516c/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...