./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-simple/sll2n_remove_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ddb06c76-737c-4422-903e-6f60b57d4d25/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ddb06c76-737c-4422-903e-6f60b57d4d25/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ddb06c76-737c-4422-903e-6f60b57d4d25/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ddb06c76-737c-4422-903e-6f60b57d4d25/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/list-simple/sll2n_remove_all.i -s /tmp/vcloud-vcloud-master/worker/run_dir_ddb06c76-737c-4422-903e-6f60b57d4d25/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ddb06c76-737c-4422-903e-6f60b57d4d25/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f7d8c0c2bedd5f6035fbcd638269863119be7003 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 04:39:02,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 04:39:02,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 04:39:02,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 04:39:02,219 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 04:39:02,220 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 04:39:02,221 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 04:39:02,223 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 04:39:02,225 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 04:39:02,226 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 04:39:02,227 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 04:39:02,228 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 04:39:02,228 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 04:39:02,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 04:39:02,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 04:39:02,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 04:39:02,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 04:39:02,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 04:39:02,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 04:39:02,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 04:39:02,237 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 04:39:02,242 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 04:39:02,243 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 04:39:02,244 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 04:39:02,246 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 04:39:02,247 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 04:39:02,247 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 04:39:02,248 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 04:39:02,248 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 04:39:02,249 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 04:39:02,249 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 04:39:02,250 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 04:39:02,250 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 04:39:02,251 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 04:39:02,252 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 04:39:02,252 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 04:39:02,253 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 04:39:02,253 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 04:39:02,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 04:39:02,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 04:39:02,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 04:39:02,255 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ddb06c76-737c-4422-903e-6f60b57d4d25/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 04:39:02,281 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 04:39:02,281 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 04:39:02,282 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 04:39:02,282 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 04:39:02,282 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 04:39:02,282 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 04:39:02,282 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 04:39:02,282 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 04:39:02,283 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 04:39:02,283 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 04:39:02,283 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 04:39:02,283 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 04:39:02,283 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 04:39:02,284 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 04:39:02,284 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 04:39:02,284 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 04:39:02,285 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 04:39:02,285 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 04:39:02,285 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 04:39:02,285 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 04:39:02,285 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 04:39:02,285 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 04:39:02,285 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 04:39:02,286 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 04:39:02,286 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 04:39:02,286 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 04:39:02,286 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 04:39:02,286 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 04:39:02,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 04:39:02,287 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 04:39:02,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 04:39:02,287 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 04:39:02,287 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 04:39:02,287 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 04:39:02,288 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 04:39:02,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 04:39:02,288 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 04:39:02,288 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 04:39:02,288 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 04:39:02,288 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_ddb06c76-737c-4422-903e-6f60b57d4d25/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ddb06c76-737c-4422-903e-6f60b57d4d25/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7d8c0c2bedd5f6035fbcd638269863119be7003 [2020-12-09 04:39:02,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 04:39:02,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 04:39:02,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 04:39:02,490 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 04:39:02,491 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 04:39:02,491 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ddb06c76-737c-4422-903e-6f60b57d4d25/bin/utaipan/../../sv-benchmarks/c/list-simple/sll2n_remove_all.i [2020-12-09 04:39:02,534 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ddb06c76-737c-4422-903e-6f60b57d4d25/bin/utaipan/data/8e1b6278b/1a43de823571434396de9f108503ad3a/FLAG2180599bd [2020-12-09 04:39:02,963 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 04:39:02,963 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ddb06c76-737c-4422-903e-6f60b57d4d25/sv-benchmarks/c/list-simple/sll2n_remove_all.i [2020-12-09 04:39:02,972 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ddb06c76-737c-4422-903e-6f60b57d4d25/bin/utaipan/data/8e1b6278b/1a43de823571434396de9f108503ad3a/FLAG2180599bd [2020-12-09 04:39:02,981 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ddb06c76-737c-4422-903e-6f60b57d4d25/bin/utaipan/data/8e1b6278b/1a43de823571434396de9f108503ad3a [2020-12-09 04:39:02,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 04:39:02,984 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 04:39:02,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 04:39:02,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 04:39:02,987 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 04:39:02,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:39:02" (1/1) ... [2020-12-09 04:39:02,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68144025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:39:02, skipping insertion in model container [2020-12-09 04:39:02,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:39:02" (1/1) ... [2020-12-09 04:39:02,995 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 04:39:03,028 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 04:39:03,205 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_ddb06c76-737c-4422-903e-6f60b57d4d25/sv-benchmarks/c/list-simple/sll2n_remove_all.i[23806,23819] [2020-12-09 04:39:03,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 04:39:03,214 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 04:39:03,243 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_ddb06c76-737c-4422-903e-6f60b57d4d25/sv-benchmarks/c/list-simple/sll2n_remove_all.i[23806,23819] [2020-12-09 04:39:03,244 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 04:39:03,285 INFO L208 MainTranslator]: Completed translation [2020-12-09 04:39:03,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:39:03 WrapperNode [2020-12-09 04:39:03,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 04:39:03,287 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 04:39:03,287 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 04:39:03,287 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 04:39:03,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:39:03" (1/1) ... [2020-12-09 04:39:03,303 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:39:03" (1/1) ... [2020-12-09 04:39:03,317 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 04:39:03,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 04:39:03,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 04:39:03,318 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 04:39:03,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:39:03" (1/1) ... [2020-12-09 04:39:03,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:39:03" (1/1) ... [2020-12-09 04:39:03,327 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:39:03" (1/1) ... [2020-12-09 04:39:03,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:39:03" (1/1) ... [2020-12-09 04:39:03,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:39:03" (1/1) ... [2020-12-09 04:39:03,335 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:39:03" (1/1) ... [2020-12-09 04:39:03,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:39:03" (1/1) ... [2020-12-09 04:39:03,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 04:39:03,339 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 04:39:03,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 04:39:03,340 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 04:39:03,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:39:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ddb06c76-737c-4422-903e-6f60b57d4d25/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 04:39:03,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-09 04:39:03,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-09 04:39:03,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-09 04:39:03,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 04:39:03,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-09 04:39:03,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 04:39:03,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-09 04:39:03,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 04:39:03,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 04:39:03,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 04:39:03,723 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 04:39:03,723 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2020-12-09 04:39:03,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:39:03 BoogieIcfgContainer [2020-12-09 04:39:03,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 04:39:03,727 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 04:39:03,727 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 04:39:03,730 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 04:39:03,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 04:39:02" (1/3) ... [2020-12-09 04:39:03,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aa0173c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:39:03, skipping insertion in model container [2020-12-09 04:39:03,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:39:03" (2/3) ... [2020-12-09 04:39:03,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aa0173c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:39:03, skipping insertion in model container [2020-12-09 04:39:03,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:39:03" (3/3) ... [2020-12-09 04:39:03,732 INFO L111 eAbstractionObserver]: Analyzing ICFG sll2n_remove_all.i [2020-12-09 04:39:03,745 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 04:39:03,748 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 04:39:03,757 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 04:39:03,776 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 04:39:03,776 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 04:39:03,776 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 04:39:03,776 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 04:39:03,776 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 04:39:03,776 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 04:39:03,776 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 04:39:03,776 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 04:39:03,786 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-12-09 04:39:03,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-09 04:39:03,790 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:39:03,791 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-09 04:39:03,791 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 04:39:03,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:39:03,796 INFO L82 PathProgramCache]: Analyzing trace with hash 82375513, now seen corresponding path program 1 times [2020-12-09 04:39:03,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 04:39:03,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187383026] [2020-12-09 04:39:03,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 04:39:03,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:39:03,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 04:39:03,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187383026] [2020-12-09 04:39:03,924 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 04:39:03,924 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 04:39:03,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707179378] [2020-12-09 04:39:03,929 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 04:39:03,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 04:39:03,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 04:39:03,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:39:03,943 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 3 states. [2020-12-09 04:39:03,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:39:03,970 INFO L93 Difference]: Finished difference Result 19 states and 25 transitions. [2020-12-09 04:39:03,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 04:39:03,972 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-12-09 04:39:03,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:39:03,979 INFO L225 Difference]: With dead ends: 19 [2020-12-09 04:39:03,979 INFO L226 Difference]: Without dead ends: 9 [2020-12-09 04:39:03,982 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:39:03,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2020-12-09 04:39:04,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2020-12-09 04:39:04,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-12-09 04:39:04,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2020-12-09 04:39:04,010 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 9 transitions. Word has length 5 [2020-12-09 04:39:04,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:39:04,010 INFO L481 AbstractCegarLoop]: Abstraction has 8 states and 9 transitions. [2020-12-09 04:39:04,010 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 04:39:04,010 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2020-12-09 04:39:04,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-09 04:39:04,011 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:39:04,011 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-09 04:39:04,011 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 04:39:04,011 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 04:39:04,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:39:04,012 INFO L82 PathProgramCache]: Analyzing trace with hash 248987917, now seen corresponding path program 1 times [2020-12-09 04:39:04,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 04:39:04,013 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275948269] [2020-12-09 04:39:04,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 04:39:04,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:39:04,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 04:39:04,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275948269] [2020-12-09 04:39:04,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671220065] [2020-12-09 04:39:04,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ddb06c76-737c-4422-903e-6f60b57d4d25/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 04:39:04,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:39:04,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 04:39:04,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 04:39:04,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 04:39:04,155 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 04:39:04,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 04:39:04,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1217561160] [2020-12-09 04:39:04,183 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2020-12-09 04:39:04,183 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 04:39:04,186 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 04:39:04,189 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 04:39:04,190 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 04:39:04,470 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 04:39:04,508 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 04:39:04,518 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 04:39:04,836 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 04:39:05,020 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 04:39:05,225 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 04:39:05,868 WARN L197 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 111 [2020-12-09 04:39:05,989 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 53 [2020-12-09 04:39:06,314 WARN L197 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 90 [2020-12-09 04:39:06,315 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2020-12-09 04:39:06,316 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3, 3, 3] total 7 [2020-12-09 04:39:06,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079881402] [2020-12-09 04:39:06,317 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 04:39:06,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 04:39:06,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 04:39:06,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-12-09 04:39:06,318 INFO L87 Difference]: Start difference. First operand 8 states and 9 transitions. Second operand 5 states. [2020-12-09 04:39:06,604 WARN L197 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 111 [2020-12-09 04:39:06,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:39:06,625 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2020-12-09 04:39:06,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 04:39:06,625 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2020-12-09 04:39:06,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:39:06,625 INFO L225 Difference]: With dead ends: 12 [2020-12-09 04:39:06,626 INFO L226 Difference]: Without dead ends: 9 [2020-12-09 04:39:06,626 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-12-09 04:39:06,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2020-12-09 04:39:06,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2020-12-09 04:39:06,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-12-09 04:39:06,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2020-12-09 04:39:06,629 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 7 [2020-12-09 04:39:06,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:39:06,629 INFO L481 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2020-12-09 04:39:06,629 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 04:39:06,629 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2020-12-09 04:39:06,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-09 04:39:06,630 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:39:06,630 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 04:39:06,831 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-12-09 04:39:06,832 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 04:39:06,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:39:06,833 INFO L82 PathProgramCache]: Analyzing trace with hash -871411105, now seen corresponding path program 1 times [2020-12-09 04:39:06,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 04:39:06,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690662469] [2020-12-09 04:39:06,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 04:39:06,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:39:06,869 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-09 04:39:06,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690662469] [2020-12-09 04:39:06,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1723772616] [2020-12-09 04:39:06,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ddb06c76-737c-4422-903e-6f60b57d4d25/bin/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 04:39:06,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:39:06,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 04:39:06,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 04:39:06,922 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-09 04:39:06,922 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 04:39:06,930 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-09 04:39:06,930 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [692763562] [2020-12-09 04:39:06,932 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2020-12-09 04:39:06,932 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 04:39:06,932 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 04:39:06,933 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 04:39:06,933 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 04:39:07,086 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 04:39:07,806 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 04:39:07,864 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 04:39:08,103 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 04:39:08,969 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 04:39:08,980 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 04:39:09,446 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 04:39:10,244 WARN L197 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 120 [2020-12-09 04:39:10,460 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2020-12-09 04:39:10,462 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 04:39:10,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 04:39:10,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 4 [2020-12-09 04:39:10,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442017233] [2020-12-09 04:39:10,463 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 04:39:10,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 04:39:10,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 04:39:10,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-12-09 04:39:10,463 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand 5 states. [2020-12-09 04:39:10,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:39:10,480 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2020-12-09 04:39:10,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 04:39:10,480 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2020-12-09 04:39:10,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:39:10,481 INFO L225 Difference]: With dead ends: 16 [2020-12-09 04:39:10,481 INFO L226 Difference]: Without dead ends: 11 [2020-12-09 04:39:10,481 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-12-09 04:39:10,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2020-12-09 04:39:10,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2020-12-09 04:39:10,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-12-09 04:39:10,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2020-12-09 04:39:10,484 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 8 [2020-12-09 04:39:10,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:39:10,485 INFO L481 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2020-12-09 04:39:10,485 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 04:39:10,485 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2020-12-09 04:39:10,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-09 04:39:10,485 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:39:10,485 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2020-12-09 04:39:10,685 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 04:39:10,686 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 04:39:10,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:39:10,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1991489579, now seen corresponding path program 2 times [2020-12-09 04:39:10,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 04:39:10,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386552196] [2020-12-09 04:39:10,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 04:39:10,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:39:10,734 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-09 04:39:10,734 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386552196] [2020-12-09 04:39:10,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [861332729] [2020-12-09 04:39:10,735 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ddb06c76-737c-4422-903e-6f60b57d4d25/bin/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 04:39:10,775 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2020-12-09 04:39:10,775 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-09 04:39:10,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-09 04:39:10,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 04:39:10,784 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-09 04:39:10,784 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 04:39:10,792 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-09 04:39:10,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2053102731] [2020-12-09 04:39:10,794 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2020-12-09 04:39:10,794 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 04:39:10,794 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 04:39:10,794 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 04:39:10,794 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 04:39:10,922 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 04:39:11,485 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 04:39:11,501 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 04:39:11,805 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 04:39:12,244 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 04:39:12,259 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 04:39:12,721 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 04:39:13,503 WARN L197 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 116 [2020-12-09 04:39:13,747 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2020-12-09 04:39:13,748 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 04:39:13,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 04:39:13,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 5 [2020-12-09 04:39:13,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607979143] [2020-12-09 04:39:13,748 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 04:39:13,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 04:39:13,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 04:39:13,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2020-12-09 04:39:13,749 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand 6 states. [2020-12-09 04:39:13,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:39:13,785 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2020-12-09 04:39:13,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 04:39:13,785 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2020-12-09 04:39:13,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:39:13,786 INFO L225 Difference]: With dead ends: 15 [2020-12-09 04:39:13,786 INFO L226 Difference]: Without dead ends: 12 [2020-12-09 04:39:13,786 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-12-09 04:39:13,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2020-12-09 04:39:13,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2020-12-09 04:39:13,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-12-09 04:39:13,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2020-12-09 04:39:13,789 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 10 [2020-12-09 04:39:13,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:39:13,789 INFO L481 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2020-12-09 04:39:13,789 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 04:39:13,790 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2020-12-09 04:39:13,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-09 04:39:13,790 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:39:13,790 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2020-12-09 04:39:13,991 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable101 [2020-12-09 04:39:13,991 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 04:39:13,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:39:13,992 INFO L82 PathProgramCache]: Analyzing trace with hash 1606532865, now seen corresponding path program 3 times [2020-12-09 04:39:13,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 04:39:13,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432737251] [2020-12-09 04:39:13,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 04:39:14,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:39:14,200 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 04:39:14,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432737251] [2020-12-09 04:39:14,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [492620480] [2020-12-09 04:39:14,200 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ddb06c76-737c-4422-903e-6f60b57d4d25/bin/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 04:39:14,344 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-12-09 04:39:14,345 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-09 04:39:14,347 WARN L261 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 93 conjunts are in the unsatisfiable core [2020-12-09 04:39:14,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 04:39:14,936 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-12-09 04:39:15,689 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 04:39:15,690 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 04:39:15,918 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-12-09 04:39:16,037 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-12-09 04:39:16,256 WARN L197 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-12-09 04:39:16,516 WARN L197 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-12-09 04:39:53,828 WARN L197 SmtUtils]: Spent 8.20 s on a formula simplification that was a NOOP. DAG size: 98 [2020-12-09 04:39:58,618 WARN L197 SmtUtils]: Spent 4.06 s on a formula simplification that was a NOOP. DAG size: 99 [2020-12-09 04:39:59,958 WARN L197 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 129 DAG size of output: 123 [2020-12-09 04:40:32,432 WARN L197 SmtUtils]: Spent 32.47 s on a formula simplification. DAG size of input: 1974 DAG size of output: 821 [2020-12-09 04:40:32,440 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2020-12-09 04:40:32,440 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1537576456] [2020-12-09 04:40:32,441 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2020-12-09 04:40:32,442 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 04:40:32,442 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 04:40:32,442 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 04:40:32,442 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 04:40:32,613 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 04:40:33,356 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 04:40:33,415 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 04:40:33,806 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 04:40:34,217 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 04:40:34,306 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 04:40:34,951 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 04:40:35,400 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-09 04:40:36,792 WARN L197 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 163 DAG size of output: 116 [2020-12-09 04:40:37,133 WARN L197 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 47 [2020-12-09 04:40:37,480 WARN L197 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2020-12-09 04:40:37,480 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 04:40:37,480 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-09 04:40:37,481 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-12-09 04:40:37,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961391441] [2020-12-09 04:40:37,481 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-09 04:40:37,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 04:40:37,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-09 04:40:37,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=716, Unknown=12, NotChecked=0, Total=812 [2020-12-09 04:40:37,482 INFO L87 Difference]: Start difference. First operand 12 states and 13 transitions. Second operand 11 states. [2020-12-09 04:40:40,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:40:40,177 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2020-12-09 04:40:40,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-09 04:40:40,178 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 11 [2020-12-09 04:40:40,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:40:40,178 INFO L225 Difference]: With dead ends: 21 [2020-12-09 04:40:40,178 INFO L226 Difference]: Without dead ends: 18 [2020-12-09 04:40:40,179 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 47.5s TimeCoverageRelationStatistics Valid=111, Invalid=998, Unknown=13, NotChecked=0, Total=1122 [2020-12-09 04:40:40,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-12-09 04:40:40,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 15. [2020-12-09 04:40:40,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-12-09 04:40:40,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2020-12-09 04:40:40,183 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 11 [2020-12-09 04:40:40,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:40:40,184 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2020-12-09 04:40:40,184 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-09 04:40:40,184 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2020-12-09 04:40:40,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-09 04:40:40,184 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:40:40,184 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1] [2020-12-09 04:40:40,385 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 04:40:40,386 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 04:40:40,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:40:40,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1737190677, now seen corresponding path program 4 times [2020-12-09 04:40:40,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 04:40:40,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290105933] [2020-12-09 04:40:40,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 04:40:40,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:40:40,463 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-09 04:40:40,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290105933] [2020-12-09 04:40:40,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1521639066] [2020-12-09 04:40:40,463 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ddb06c76-737c-4422-903e-6f60b57d4d25/bin/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 04:40:40,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:40:40,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 04:40:40,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 04:40:40,521 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-09 04:40:40,521 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 04:40:40,542 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-09 04:40:40,542 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-12-09 04:40:40,542 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [6] total 6 [2020-12-09 04:40:40,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688164087] [2020-12-09 04:40:40,543 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 04:40:40,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 04:40:40,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 04:40:40,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-09 04:40:40,544 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand 6 states. [2020-12-09 04:40:40,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:40:40,605 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2020-12-09 04:40:40,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 04:40:40,606 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2020-12-09 04:40:40,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:40:40,606 INFO L225 Difference]: With dead ends: 21 [2020-12-09 04:40:40,606 INFO L226 Difference]: Without dead ends: 14 [2020-12-09 04:40:40,607 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-12-09 04:40:40,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2020-12-09 04:40:40,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-12-09 04:40:40,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-12-09 04:40:40,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2020-12-09 04:40:40,611 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 12 [2020-12-09 04:40:40,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:40:40,611 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2020-12-09 04:40:40,611 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 04:40:40,611 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2020-12-09 04:40:40,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-09 04:40:40,612 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:40:40,612 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1] [2020-12-09 04:40:40,812 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable219,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 04:40:40,814 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 04:40:40,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:40:40,815 INFO L82 PathProgramCache]: Analyzing trace with hash 820245941, now seen corresponding path program 5 times [2020-12-09 04:40:40,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 04:40:40,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203344172] [2020-12-09 04:40:40,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 04:40:40,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:40:40,883 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-09 04:40:40,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203344172] [2020-12-09 04:40:40,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [174324400] [2020-12-09 04:40:40,884 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ddb06c76-737c-4422-903e-6f60b57d4d25/bin/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 04:40:41,002 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-12-09 04:40:41,003 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-09 04:40:41,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 04:40:41,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 04:40:41,024 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-09 04:40:41,024 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 04:40:41,034 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-09 04:40:41,034 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-12-09 04:40:41,034 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [4] total 5 [2020-12-09 04:40:41,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603982558] [2020-12-09 04:40:41,034 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 04:40:41,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 04:40:41,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 04:40:41,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-09 04:40:41,035 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 5 states. [2020-12-09 04:40:41,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:40:41,060 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2020-12-09 04:40:41,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 04:40:41,061 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-12-09 04:40:41,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:40:41,061 INFO L225 Difference]: With dead ends: 14 [2020-12-09 04:40:41,061 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 04:40:41,061 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-09 04:40:41,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 04:40:41,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 04:40:41,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 04:40:41,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 04:40:41,062 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-12-09 04:40:41,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:40:41,062 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 04:40:41,062 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 04:40:41,062 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 04:40:41,062 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 04:40:41,263 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable220,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 04:40:41,268 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 04:40:42,717 WARN L197 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 142 DAG size of output: 124 [2020-12-09 04:40:44,072 WARN L197 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 150 DAG size of output: 136 [2020-12-09 04:40:44,750 WARN L197 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2020-12-09 04:40:44,752 INFO L258 CegarLoopResult]: At program point L576(lines 576 578) the Hoare annotation is: (let ((.cse0 (<= 0 |ULTIMATE.start_main_~#s~0.base|)) (.cse1 (<= 1 ULTIMATE.start_sll_create_~data)) (.cse2 (<= ULTIMATE.start_node_create_~data 1)) (.cse3 (<= 1 ULTIMATE.start_node_create_~data)) (.cse4 (= |#NULL.offset| 0)) (.cse5 (<= 0 |#StackHeapBarrier|)) (.cse6 (= |#t~string1.offset| 0)) (.cse7 (<= 0 |#t~string0.base|)) (.cse8 (<= 2 |ULTIMATE.start_sll_create_#in~len|)) (.cse9 (<= ULTIMATE.start_main_~data~0 1)) (.cse10 (= |#NULL.base| 0)) (.cse11 (<= 1 ULTIMATE.start_main_~data~0)) (.cse12 (<= ULTIMATE.start_sll_create_~data 1)) (.cse13 (<= 1 |ULTIMATE.start_sll_create_#in~data|)) (.cse14 (<= 0 |#t~string1.base|)) (.cse15 (= |ULTIMATE.start_main_~#s~0.offset| 0)) (.cse16 (<= |ULTIMATE.start_node_create_#t~malloc5.offset| 0)) (.cse17 (<= ULTIMATE.start_sll_create_~head~0.offset 0)) (.cse18 (<= 1 |ULTIMATE.start_node_create_#in~data|)) (.cse19 (= ULTIMATE.start_node_create_~temp~0.offset 0)) (.cse20 (<= 0 |ULTIMATE.start_node_create_#t~malloc5.offset|)) (.cse21 (<= 0 ULTIMATE.start_sll_create_~head~0.offset)) (.cse22 (<= |ULTIMATE.start_sll_create_#in~len| 2)) (.cse23 (<= |ULTIMATE.start_sll_create_#in~data| 1)) (.cse24 (= |#t~string0.offset| 0)) (.cse25 (<= |ULTIMATE.start_node_create_#in~data| 1))) (or (and .cse0 .cse1 .cse2 (= (select |#valid| ULTIMATE.start_node_create_~temp~0.base) 1) .cse3 (= ULTIMATE.start_sll_create_~head~0.base 0) (not (= |ULTIMATE.start_main_~#s~0.base| ULTIMATE.start_node_create_~temp~0.base)) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (= 2 ULTIMATE.start_sll_create_~len) .cse12 .cse13 .cse14 .cse15 (= (select |#valid| |ULTIMATE.start_main_~#s~0.base|) 1) (= ULTIMATE.start_main_~len~0 ULTIMATE.start_sll_create_~len) .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25) (and (<= 1 ULTIMATE.start_sll_create_~len) .cse0 .cse1 (= 2 ULTIMATE.start_main_~len~0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_create_~head~0.base) 4) 0) (not (= ULTIMATE.start_sll_create_~head~0.base ULTIMATE.start_node_create_~temp~0.base)) .cse8 .cse9 .cse10 .cse11 (= (select |#valid| ULTIMATE.start_sll_create_~head~0.base) 1) (<= ULTIMATE.start_sll_create_~len 1) .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 (= (select (select |#memory_$Pointer$.offset| ULTIMATE.start_sll_create_~head~0.base) 4) 0) .cse21 (not (= ULTIMATE.start_sll_create_~head~0.base |ULTIMATE.start_main_~#s~0.base|)) .cse22 .cse23 .cse24 .cse25))) [2020-12-09 04:40:44,752 INFO L262 CegarLoopResult]: For program point L605(lines 605 607) no Hoare annotation was computed. [2020-12-09 04:40:44,752 INFO L265 CegarLoopResult]: At program point L572(line 572) the Hoare annotation is: true [2020-12-09 04:40:44,753 INFO L258 CegarLoopResult]: At program point L585-3(lines 585 589) the Hoare annotation is: (let ((.cse46 (select |#memory_int| |#t~string0.base|))) (let ((.cse32 (= 2 ULTIMATE.start_main_~len~0)) (.cse29 (= |ULTIMATE.start_sll_create_#in~len| ULTIMATE.start_sll_create_~len)) (.cse37 (= 19 (select |#length| |#t~string1.base|))) (.cse30 (= (select .cse46 |#t~string0.offset|) 48)) (.cse38 (= (select .cse46 (+ |#t~string0.offset| 1)) 0)) (.cse31 (= (select |#valid| 0) 0)) (.cse39 (= 2 (select |#length| |#t~string0.base|))) (.cse40 (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0.base|)) (.cse41 (= (select |#valid| |ULTIMATE.start_main_~#s~0.base|) 1)) (.cse42 (= 4 (select |#length| |ULTIMATE.start_main_~#s~0.base|))) (.cse33 (= ULTIMATE.start_sll_create_~head~0.base 0)) (.cse34 (< |#StackHeapBarrier| |#t~string0.base|)) (.cse43 (= (select |#valid| |#t~string0.base|) 1)) (.cse44 (< 0 |#StackHeapBarrier|)) (.cse35 (< |#StackHeapBarrier| |#t~string1.base|)) (.cse36 (= (select |#valid| |#t~string1.base|) 1))) (let ((.cse0 (<= 0 |ULTIMATE.start_main_~#s~0.base|)) (.cse3 (<= ULTIMATE.start_node_create_~data 1)) (.cse4 (<= 1 ULTIMATE.start_node_create_~data)) (.cse6 (<= 0 |#StackHeapBarrier|)) (.cse8 (<= 0 |#t~string0.base|)) (.cse1 (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_create_~head~0.base) 4)) (.cse9 (<= 0 ULTIMATE.start_node_create_~temp~0.offset)) (.cse10 (<= 2 |ULTIMATE.start_sll_create_#in~len|)) (.cse11 (<= ULTIMATE.start_main_~data~0 1)) (.cse13 (<= 1 ULTIMATE.start_main_~data~0)) (.cse16 (<= 0 |#t~string1.base|)) (.cse18 (<= |ULTIMATE.start_node_create_#t~malloc5.offset| 0)) (.cse19 (<= ULTIMATE.start_sll_create_~head~0.offset 0)) (.cse20 (<= 1 |ULTIMATE.start_node_create_#in~data|)) (.cse21 (or (let ((.cse45 (select (select |#memory_$Pointer$.offset| ULTIMATE.start_sll_create_~new_head~0.base) (+ ULTIMATE.start_sll_create_~new_head~0.offset 4)))) (and (= |ULTIMATE.start_node_create_#res.base| ULTIMATE.start_sll_create_~new_head~0.base) (= |ULTIMATE.start_node_create_#res.offset| ULTIMATE.start_sll_create_~new_head~0.offset) (<= 0 .cse45) (= |ULTIMATE.start_node_create_#res.base| ULTIMATE.start_node_create_~temp~0.base) (<= ULTIMATE.start_sll_create_~len 1) (not (= ULTIMATE.start_node_create_~temp~0.base 0)) (<= .cse45 0) (= (select (select |#memory_int| ULTIMATE.start_node_create_~temp~0.base) ULTIMATE.start_node_create_~temp~0.offset) ULTIMATE.start_node_create_~data) (= |ULTIMATE.start_node_create_#res.offset| ULTIMATE.start_node_create_~temp~0.offset) .cse32 (= ULTIMATE.start_sll_create_~head~0.base ULTIMATE.start_sll_create_~new_head~0.base))) (and (= ULTIMATE.start_main_~len~0 |ULTIMATE.start_sll_create_#in~len|) .cse29 .cse37 .cse30 .cse38 .cse31 .cse39 .cse40 .cse41 .cse42 .cse33 .cse34 .cse43 .cse44 .cse35 .cse36))) (.cse22 (<= ULTIMATE.start_node_create_~temp~0.offset 0)) (.cse23 (<= 0 |ULTIMATE.start_node_create_#t~malloc5.offset|)) (.cse24 (<= 0 ULTIMATE.start_sll_create_~head~0.offset)) (.cse25 (<= |ULTIMATE.start_sll_create_#in~len| 2)) (.cse28 (<= |ULTIMATE.start_node_create_#in~data| 1)) (.cse2 (<= 1 ULTIMATE.start_sll_create_~data)) (.cse5 (= |#NULL.offset| 0)) (.cse7 (= |#t~string1.offset| 0)) (.cse12 (= |#NULL.base| 0)) (.cse14 (<= ULTIMATE.start_sll_create_~data 1)) (.cse15 (<= 1 |ULTIMATE.start_sll_create_#in~data|)) (.cse17 (= |ULTIMATE.start_main_~#s~0.offset| 0)) (.cse26 (<= |ULTIMATE.start_sll_create_#in~data| 1)) (.cse27 (= |#t~string0.offset| 0))) (or (and .cse0 (= (select (select |#memory_$Pointer$.base| .cse1) 4) 0) .cse2 .cse3 .cse4 (<= ULTIMATE.start_sll_create_~len 0) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (not (= .cse1 |ULTIMATE.start_main_~#s~0.base|)) .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 (= (select (select |#memory_$Pointer$.offset| .cse1) 4) 0) .cse27 .cse28) (and (<= 1 ULTIMATE.start_sll_create_~len) .cse0 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= .cse1 0) .cse9 .cse10 .cse11 .cse12 .cse13 (= (select |#valid| ULTIMATE.start_sll_create_~head~0.base) 1) .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 (not (= ULTIMATE.start_sll_create_~head~0.base |ULTIMATE.start_main_~#s~0.base|)) .cse25 .cse26 .cse27 .cse28) (and (= ULTIMATE.start_sll_create_~head~0.offset 0) .cse29 .cse30 .cse31 .cse2 .cse32 (= ULTIMATE.start_main_~data~0 |ULTIMATE.start_sll_create_#in~data|) .cse33 .cse34 .cse35 .cse5 .cse36 .cse7 .cse12 .cse37 .cse38 .cse14 .cse39 .cse15 .cse40 .cse17 .cse41 (= ULTIMATE.start_main_~len~0 ULTIMATE.start_sll_create_~len) .cse42 .cse43 .cse44 .cse26 .cse27))))) [2020-12-09 04:40:44,753 INFO L265 CegarLoopResult]: At program point L610(lines 597 611) the Hoare annotation is: true [2020-12-09 04:40:44,753 INFO L258 CegarLoopResult]: At program point L606(lines 597 611) the Hoare annotation is: false [2020-12-09 04:40:44,753 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 04:40:44,753 INFO L258 CegarLoopResult]: At program point L602-2(lines 602 604) the Hoare annotation is: (let ((.cse35 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0.base|) |ULTIMATE.start_main_~#s~0.offset|)) (.cse11 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0.base|) |ULTIMATE.start_main_~#s~0.offset|)) (.cse1 (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_create_~head~0.base) 4))) (let ((.cse28 (= (select (select |#memory_$Pointer$.offset| ULTIMATE.start_sll_create_~head~0.base) 4) 0)) (.cse32 (= (select (select |#memory_$Pointer$.offset| .cse1) 4) 0)) (.cse7 (select (select |#memory_$Pointer$.base| .cse11) 4)) (.cse0 (<= 0 |ULTIMATE.start_main_~#s~0.base|)) (.cse2 (<= 1 ULTIMATE.start_sll_create_~data)) (.cse3 (= 2 ULTIMATE.start_main_~len~0)) (.cse4 (<= ULTIMATE.start_node_create_~data 1)) (.cse5 (<= 1 ULTIMATE.start_node_create_~data)) (.cse6 (= |#NULL.offset| 0)) (.cse8 (<= 0 |#StackHeapBarrier|)) (.cse9 (= |#t~string1.offset| 0)) (.cse10 (<= 0 |#t~string0.base|)) (.cse12 (<= 0 ULTIMATE.start_node_create_~temp~0.offset)) (.cse13 (<= 2 |ULTIMATE.start_sll_create_#in~len|)) (.cse14 (<= ULTIMATE.start_main_~data~0 1)) (.cse15 (= |#NULL.base| 0)) (.cse16 (<= 1 ULTIMATE.start_main_~data~0)) (.cse17 (<= ULTIMATE.start_sll_create_~data 1)) (.cse18 (<= 1 |ULTIMATE.start_sll_create_#in~data|)) (.cse19 (<= 0 |#t~string1.base|)) (.cse20 (= |ULTIMATE.start_main_~#s~0.offset| 0)) (.cse21 (<= |ULTIMATE.start_node_create_#t~malloc5.offset| 0)) (.cse22 (<= ULTIMATE.start_sll_create_~head~0.offset 0)) (.cse23 (<= 1 |ULTIMATE.start_node_create_#in~data|)) (.cse24 (<= ULTIMATE.start_sll_create_~len 2)) (.cse25 (<= ULTIMATE.start_node_create_~temp~0.offset 0)) (.cse26 (= .cse35 0)) (.cse27 (<= 0 |ULTIMATE.start_node_create_#t~malloc5.offset|)) (.cse29 (<= 0 ULTIMATE.start_sll_create_~head~0.offset)) (.cse30 (<= |ULTIMATE.start_sll_create_#in~len| 2)) (.cse31 (<= |ULTIMATE.start_sll_create_#in~data| 1)) (.cse33 (= |#t~string0.offset| 0)) (.cse34 (<= |ULTIMATE.start_node_create_#in~data| 1))) (or (and .cse0 (= (select (select |#memory_$Pointer$.base| .cse1) 4) 0) .cse2 .cse3 .cse4 .cse5 .cse6 (= .cse7 0) .cse8 .cse9 .cse10 (<= 0 ULTIMATE.start_main_~i~0) (= (select (select |#memory_$Pointer$.offset| .cse11) 4) 0) .cse12 (<= ULTIMATE.start_main_~i~0 0) .cse13 .cse14 .cse15 .cse16 (not (= .cse1 |ULTIMATE.start_main_~#s~0.base|)) .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34) (and (= ULTIMATE.start_main_~data~0 1) (= ULTIMATE.start_sll_create_~head~0.base |ULTIMATE.start_sll_create_#res.base|) (= |ULTIMATE.start_node_create_#res.offset| ULTIMATE.start_sll_create_~new_head~0.offset) .cse0 .cse2 .cse3 .cse4 .cse5 (<= ULTIMATE.start_sll_create_~len 0) (= .cse35 |ULTIMATE.start_sll_create_#res.offset|) .cse6 (= |ULTIMATE.start_sll_create_#res.base| .cse11) (= (select (select |#memory_int| ULTIMATE.start_node_create_~temp~0.base) ULTIMATE.start_node_create_~temp~0.offset) ULTIMATE.start_node_create_~data) .cse8 .cse10 (= |ULTIMATE.start_node_create_#res.base| ULTIMATE.start_sll_create_~new_head~0.base) .cse9 .cse12 .cse13 .cse15 (= 0 |ULTIMATE.start_node_create_#t~malloc5.offset|) .cse17 (not (= ULTIMATE.start_node_create_~temp~0.base 0)) (= |ULTIMATE.start_node_create_#res.offset| ULTIMATE.start_node_create_~temp~0.offset) .cse18 .cse19 .cse20 (= ULTIMATE.start_sll_create_~head~0.base ULTIMATE.start_sll_create_~new_head~0.base) .cse22 .cse23 .cse25 (= ULTIMATE.start_sll_create_~head~0.offset |ULTIMATE.start_sll_create_#res.offset|) (= |ULTIMATE.start_node_create_#res.base| ULTIMATE.start_node_create_~temp~0.base) .cse28 (<= ULTIMATE.start_main_~i~0 1) (<= 1 ULTIMATE.start_main_~i~0) .cse29 .cse31 .cse30 (= (select (select |#memory_$Pointer$.base| .cse7) 4) 0) .cse32 .cse33 (not (= |ULTIMATE.start_main_~#s~0.base| .cse7)) .cse34) (and .cse0 .cse2 .cse3 .cse4 .cse5 (<= (+ ULTIMATE.start_main_~i~0 1) 0) .cse6 .cse8 .cse9 .cse10 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 (= .cse11 0) .cse26 .cse27 .cse29 .cse30 .cse31 .cse33 .cse34)))) [2020-12-09 04:40:44,753 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 609) no Hoare annotation was computed. [2020-12-09 04:40:44,753 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 04:40:44,762 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,763 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,763 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,763 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,764 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,764 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,764 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,764 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,764 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,765 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,765 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,765 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,765 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,766 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,766 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,766 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,766 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,766 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,766 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,766 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,766 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,767 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,767 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,775 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,775 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,775 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,775 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,775 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,776 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,776 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,776 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,776 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,776 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,776 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,776 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,777 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,777 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,777 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,777 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,777 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,777 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,777 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,778 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,778 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,778 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,778 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,782 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,782 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,782 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,782 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,782 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,783 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,783 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,783 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,783 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,783 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,787 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,787 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,788 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,788 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,788 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,788 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,788 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,789 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,789 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,789 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,793 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,793 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,794 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,794 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 04:40:44 BoogieIcfgContainer [2020-12-09 04:40:44,796 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 04:40:44,797 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 04:40:44,797 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 04:40:44,797 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 04:40:44,797 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:39:03" (3/4) ... [2020-12-09 04:40:44,799 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 04:40:44,805 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2020-12-09 04:40:44,806 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-09 04:40:44,806 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 04:40:44,806 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 04:40:44,821 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((((0 <= s && #memory_$Pointer$[#memory_$Pointer$[head][4]][4] == 0) && 1 <= data) && data <= 1) && 1 <= data) && len <= 0) && #NULL == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && "sll2n_remove_all.c" == 0) && 0 <= "0") && 0 <= temp) && 2 <= \old(len)) && data <= 1) && #NULL == 0) && 1 <= data) && !(#memory_$Pointer$[head][4] == s)) && data <= 1) && 1 <= \old(data)) && 0 <= "sll2n_remove_all.c") && s == 0) && malloc(sizeof(struct node)) <= 0) && head <= 0) && 1 <= \old(data)) && (((((((((((\result == new_head && \result == new_head) && 0 <= #memory_$Pointer$[new_head][new_head + 4]) && \result == temp) && len <= 1) && !(temp == 0)) && #memory_$Pointer$[new_head][new_head + 4] <= 0) && unknown-#memory_int-unknown[temp][temp] == data) && \result == temp) && 2 == len) && head == new_head) || (((((((((((((((len == \old(len) && \old(len) == len) && 19 == unknown-#length-unknown["sll2n_remove_all.c"]) && unknown-#memory_int-unknown["0"]["0"] == 48) && unknown-#memory_int-unknown["0"]["0" + 1] == 0) && \valid[0] == 0) && 2 == unknown-#length-unknown["0"]) && unknown-#StackHeapBarrier-unknown < s) && \valid[s] == 1) && 4 == unknown-#length-unknown[s]) && head == 0) && unknown-#StackHeapBarrier-unknown < "0") && \valid["0"] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && unknown-#StackHeapBarrier-unknown < "sll2n_remove_all.c") && \valid["sll2n_remove_all.c"] == 1))) && temp <= 0) && 0 <= malloc(sizeof(struct node))) && 0 <= head) && \old(len) <= 2) && \old(data) <= 1) && #memory_$Pointer$[#memory_$Pointer$[head][4]][4] == 0) && "0" == 0) && \old(data) <= 1) || (((((((((((((((((((((((((((((((1 <= len && 0 <= s) && 1 <= data) && data <= 1) && 1 <= data) && #NULL == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && "sll2n_remove_all.c" == 0) && 0 <= "0") && #memory_$Pointer$[head][4] == 0) && 0 <= temp) && 2 <= \old(len)) && data <= 1) && #NULL == 0) && 1 <= data) && \valid[head] == 1) && data <= 1) && 1 <= \old(data)) && 0 <= "sll2n_remove_all.c") && s == 0) && malloc(sizeof(struct node)) <= 0) && head <= 0) && 1 <= \old(data)) && (((((((((((\result == new_head && \result == new_head) && 0 <= #memory_$Pointer$[new_head][new_head + 4]) && \result == temp) && len <= 1) && !(temp == 0)) && #memory_$Pointer$[new_head][new_head + 4] <= 0) && unknown-#memory_int-unknown[temp][temp] == data) && \result == temp) && 2 == len) && head == new_head) || (((((((((((((((len == \old(len) && \old(len) == len) && 19 == unknown-#length-unknown["sll2n_remove_all.c"]) && unknown-#memory_int-unknown["0"]["0"] == 48) && unknown-#memory_int-unknown["0"]["0" + 1] == 0) && \valid[0] == 0) && 2 == unknown-#length-unknown["0"]) && unknown-#StackHeapBarrier-unknown < s) && \valid[s] == 1) && 4 == unknown-#length-unknown[s]) && head == 0) && unknown-#StackHeapBarrier-unknown < "0") && \valid["0"] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && unknown-#StackHeapBarrier-unknown < "sll2n_remove_all.c") && \valid["sll2n_remove_all.c"] == 1))) && temp <= 0) && 0 <= malloc(sizeof(struct node))) && 0 <= head) && !(head == s)) && \old(len) <= 2) && \old(data) <= 1) && "0" == 0) && \old(data) <= 1)) || (((((((((((((((((((((((((((head == 0 && \old(len) == len) && unknown-#memory_int-unknown["0"]["0"] == 48) && \valid[0] == 0) && 1 <= data) && 2 == len) && data == \old(data)) && head == 0) && unknown-#StackHeapBarrier-unknown < "0") && unknown-#StackHeapBarrier-unknown < "sll2n_remove_all.c") && #NULL == 0) && \valid["sll2n_remove_all.c"] == 1) && "sll2n_remove_all.c" == 0) && #NULL == 0) && 19 == unknown-#length-unknown["sll2n_remove_all.c"]) && unknown-#memory_int-unknown["0"]["0" + 1] == 0) && data <= 1) && 2 == unknown-#length-unknown["0"]) && 1 <= \old(data)) && unknown-#StackHeapBarrier-unknown < s) && s == 0) && \valid[s] == 1) && len == len) && 4 == unknown-#length-unknown[s]) && \valid["0"] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && \old(data) <= 1) && "0" == 0) [2020-12-09 04:40:44,822 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((((((0 <= s && 1 <= data) && data <= 1) && \valid[temp] == 1) && 1 <= data) && head == 0) && !(s == temp)) && #NULL == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && "sll2n_remove_all.c" == 0) && 0 <= "0") && 2 <= \old(len)) && data <= 1) && #NULL == 0) && 1 <= data) && 2 == len) && data <= 1) && 1 <= \old(data)) && 0 <= "sll2n_remove_all.c") && s == 0) && \valid[s] == 1) && len == len) && malloc(sizeof(struct node)) <= 0) && head <= 0) && 1 <= \old(data)) && temp == 0) && 0 <= malloc(sizeof(struct node))) && 0 <= head) && \old(len) <= 2) && \old(data) <= 1) && "0" == 0) && \old(data) <= 1) || (((((((((((((((((((((((((((((((((1 <= len && 0 <= s) && 1 <= data) && 2 == len) && data <= 1) && 1 <= data) && #NULL == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && "sll2n_remove_all.c" == 0) && 0 <= "0") && #memory_$Pointer$[head][4] == 0) && !(head == temp)) && 2 <= \old(len)) && data <= 1) && #NULL == 0) && 1 <= data) && \valid[head] == 1) && len <= 1) && data <= 1) && 1 <= \old(data)) && 0 <= "sll2n_remove_all.c") && s == 0) && malloc(sizeof(struct node)) <= 0) && head <= 0) && 1 <= \old(data)) && temp == 0) && 0 <= malloc(sizeof(struct node))) && #memory_$Pointer$[head][4] == 0) && 0 <= head) && !(head == s)) && \old(len) <= 2) && \old(data) <= 1) && "0" == 0) && \old(data) <= 1) [2020-12-09 04:40:44,822 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((((((((((0 <= s && #memory_$Pointer$[#memory_$Pointer$[head][4]][4] == 0) && 1 <= data) && 2 == len) && data <= 1) && 1 <= data) && #NULL == 0) && #memory_$Pointer$[#memory_$Pointer$[s][s]][4] == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && "sll2n_remove_all.c" == 0) && 0 <= "0") && 0 <= i) && #memory_$Pointer$[#memory_$Pointer$[s][s]][4] == 0) && 0 <= temp) && i <= 0) && 2 <= \old(len)) && data <= 1) && #NULL == 0) && 1 <= data) && !(#memory_$Pointer$[head][4] == s)) && data <= 1) && 1 <= \old(data)) && 0 <= "sll2n_remove_all.c") && s == 0) && malloc(sizeof(struct node)) <= 0) && head <= 0) && 1 <= \old(data)) && len <= 2) && temp <= 0) && #memory_$Pointer$[s][s] == 0) && 0 <= malloc(sizeof(struct node))) && #memory_$Pointer$[head][4] == 0) && 0 <= head) && \old(len) <= 2) && \old(data) <= 1) && #memory_$Pointer$[#memory_$Pointer$[head][4]][4] == 0) && "0" == 0) && \old(data) <= 1) || (((((((((((((((((((((((((((((((((((((((((((data == 1 && head == \result) && \result == new_head) && 0 <= s) && 1 <= data) && 2 == len) && data <= 1) && 1 <= data) && len <= 0) && #memory_$Pointer$[s][s] == \result) && #NULL == 0) && \result == #memory_$Pointer$[s][s]) && unknown-#memory_int-unknown[temp][temp] == data) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= "0") && \result == new_head) && "sll2n_remove_all.c" == 0) && 0 <= temp) && 2 <= \old(len)) && #NULL == 0) && 0 == malloc(sizeof(struct node))) && data <= 1) && !(temp == 0)) && \result == temp) && 1 <= \old(data)) && 0 <= "sll2n_remove_all.c") && s == 0) && head == new_head) && head <= 0) && 1 <= \old(data)) && temp <= 0) && head == \result) && \result == temp) && #memory_$Pointer$[head][4] == 0) && i <= 1) && 1 <= i) && 0 <= head) && \old(data) <= 1) && \old(len) <= 2) && #memory_$Pointer$[#memory_$Pointer$[#memory_$Pointer$[s][s]][4]][4] == 0) && #memory_$Pointer$[#memory_$Pointer$[head][4]][4] == 0) && "0" == 0) && !(s == #memory_$Pointer$[#memory_$Pointer$[s][s]][4])) && \old(data) <= 1)) || (((((((((((((((((((((((((((((((0 <= s && 1 <= data) && 2 == len) && data <= 1) && 1 <= data) && i + 1 <= 0) && #NULL == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && "sll2n_remove_all.c" == 0) && 0 <= "0") && 0 <= temp) && 2 <= \old(len)) && data <= 1) && #NULL == 0) && 1 <= data) && data <= 1) && 1 <= \old(data)) && 0 <= "sll2n_remove_all.c") && s == 0) && malloc(sizeof(struct node)) <= 0) && head <= 0) && 1 <= \old(data)) && len <= 2) && temp <= 0) && #memory_$Pointer$[s][s] == 0) && #memory_$Pointer$[s][s] == 0) && 0 <= malloc(sizeof(struct node))) && 0 <= head) && \old(len) <= 2) && \old(data) <= 1) && "0" == 0) && \old(data) <= 1) [2020-12-09 04:40:44,829 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ddb06c76-737c-4422-903e-6f60b57d4d25/bin/utaipan/witness.graphml [2020-12-09 04:40:44,829 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 04:40:44,830 INFO L168 Benchmark]: Toolchain (without parser) took 101845.70 ms. Allocated memory was 107.0 MB in the beginning and 612.4 MB in the end (delta: 505.4 MB). Free memory was 83.8 MB in the beginning and 541.6 MB in the end (delta: -457.8 MB). Peak memory consumption was 49.0 MB. Max. memory is 16.1 GB. [2020-12-09 04:40:44,830 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 73.4 MB. Free memory was 43.7 MB in the beginning and 43.7 MB in the end (delta: 56.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 04:40:44,830 INFO L168 Benchmark]: CACSL2BoogieTranslator took 301.37 ms. Allocated memory is still 107.0 MB. Free memory was 83.6 MB in the beginning and 61.2 MB in the end (delta: 22.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-12-09 04:40:44,830 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.43 ms. Allocated memory is still 107.0 MB. Free memory was 61.0 MB in the beginning and 59.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 04:40:44,831 INFO L168 Benchmark]: Boogie Preprocessor took 21.02 ms. Allocated memory is still 107.0 MB. Free memory was 59.2 MB in the beginning and 57.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 04:40:44,831 INFO L168 Benchmark]: RCFGBuilder took 386.06 ms. Allocated memory is still 107.0 MB. Free memory was 57.8 MB in the beginning and 66.8 MB in the end (delta: -9.0 MB). Peak memory consumption was 15.3 MB. Max. memory is 16.1 GB. [2020-12-09 04:40:44,831 INFO L168 Benchmark]: TraceAbstraction took 101069.61 ms. Allocated memory was 107.0 MB in the beginning and 612.4 MB in the end (delta: 505.4 MB). Free memory was 66.3 MB in the beginning and 544.7 MB in the end (delta: -478.4 MB). Peak memory consumption was 356.7 MB. Max. memory is 16.1 GB. [2020-12-09 04:40:44,831 INFO L168 Benchmark]: Witness Printer took 32.56 ms. Allocated memory is still 612.4 MB. Free memory was 544.7 MB in the beginning and 541.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 04:40:44,832 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 73.4 MB. Free memory was 43.7 MB in the beginning and 43.7 MB in the end (delta: 56.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 301.37 ms. Allocated memory is still 107.0 MB. Free memory was 83.6 MB in the beginning and 61.2 MB in the end (delta: 22.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 30.43 ms. Allocated memory is still 107.0 MB. Free memory was 61.0 MB in the beginning and 59.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.02 ms. Allocated memory is still 107.0 MB. Free memory was 59.2 MB in the beginning and 57.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 386.06 ms. Allocated memory is still 107.0 MB. Free memory was 57.8 MB in the beginning and 66.8 MB in the end (delta: -9.0 MB). Peak memory consumption was 15.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 101069.61 ms. Allocated memory was 107.0 MB in the beginning and 612.4 MB in the end (delta: 505.4 MB). Free memory was 66.3 MB in the beginning and 544.7 MB in the end (delta: -478.4 MB). Peak memory consumption was 356.7 MB. Max. memory is 16.1 GB. * Witness Printer took 32.56 ms. Allocated memory is still 612.4 MB. Free memory was 544.7 MB in the beginning and 541.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation 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_$Pointer$.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_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation 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_$Pointer$.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_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation 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_$Pointer$.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 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 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_$Pointer$.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 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_$Pointer$.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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 609]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 602]: Loop Invariant [2020-12-09 04:40:44,836 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,836 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,836 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,836 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,837 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,837 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,837 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,837 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,837 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,837 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,837 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,837 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,838 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,838 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,838 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,838 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,838 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,838 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,838 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,838 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,838 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,839 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,839 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,840 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,840 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,840 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,841 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,841 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,841 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,841 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,841 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,841 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,841 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,841 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,841 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,842 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,842 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,842 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,842 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,842 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,842 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,842 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,842 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,842 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,842 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,843 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: ((((((((((((((((((((((((((((((((((((((0 <= s && #memory_$Pointer$[#memory_$Pointer$[head][4]][4] == 0) && 1 <= data) && 2 == len) && data <= 1) && 1 <= data) && #NULL == 0) && #memory_$Pointer$[#memory_$Pointer$[s][s]][4] == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && "sll2n_remove_all.c" == 0) && 0 <= "0") && 0 <= i) && #memory_$Pointer$[#memory_$Pointer$[s][s]][4] == 0) && 0 <= temp) && i <= 0) && 2 <= \old(len)) && data <= 1) && #NULL == 0) && 1 <= data) && !(#memory_$Pointer$[head][4] == s)) && data <= 1) && 1 <= \old(data)) && 0 <= "sll2n_remove_all.c") && s == 0) && malloc(sizeof(struct node)) <= 0) && head <= 0) && 1 <= \old(data)) && len <= 2) && temp <= 0) && #memory_$Pointer$[s][s] == 0) && 0 <= malloc(sizeof(struct node))) && #memory_$Pointer$[head][4] == 0) && 0 <= head) && \old(len) <= 2) && \old(data) <= 1) && #memory_$Pointer$[#memory_$Pointer$[head][4]][4] == 0) && "0" == 0) && \old(data) <= 1) || (((((((((((((((((((((((((((((((((((((((((((data == 1 && head == \result) && \result == new_head) && 0 <= s) && 1 <= data) && 2 == len) && data <= 1) && 1 <= data) && len <= 0) && #memory_$Pointer$[s][s] == \result) && #NULL == 0) && \result == #memory_$Pointer$[s][s]) && unknown-#memory_int-unknown[temp][temp] == data) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= "0") && \result == new_head) && "sll2n_remove_all.c" == 0) && 0 <= temp) && 2 <= \old(len)) && #NULL == 0) && 0 == malloc(sizeof(struct node))) && data <= 1) && !(temp == 0)) && \result == temp) && 1 <= \old(data)) && 0 <= "sll2n_remove_all.c") && s == 0) && head == new_head) && head <= 0) && 1 <= \old(data)) && temp <= 0) && head == \result) && \result == temp) && #memory_$Pointer$[head][4] == 0) && i <= 1) && 1 <= i) && 0 <= head) && \old(data) <= 1) && \old(len) <= 2) && #memory_$Pointer$[#memory_$Pointer$[#memory_$Pointer$[s][s]][4]][4] == 0) && #memory_$Pointer$[#memory_$Pointer$[head][4]][4] == 0) && "0" == 0) && !(s == #memory_$Pointer$[#memory_$Pointer$[s][s]][4])) && \old(data) <= 1)) || (((((((((((((((((((((((((((((((0 <= s && 1 <= data) && 2 == len) && data <= 1) && 1 <= data) && i + 1 <= 0) && #NULL == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && "sll2n_remove_all.c" == 0) && 0 <= "0") && 0 <= temp) && 2 <= \old(len)) && data <= 1) && #NULL == 0) && 1 <= data) && data <= 1) && 1 <= \old(data)) && 0 <= "sll2n_remove_all.c") && s == 0) && malloc(sizeof(struct node)) <= 0) && head <= 0) && 1 <= \old(data)) && len <= 2) && temp <= 0) && #memory_$Pointer$[s][s] == 0) && #memory_$Pointer$[s][s] == 0) && 0 <= malloc(sizeof(struct node))) && 0 <= head) && \old(len) <= 2) && \old(data) <= 1) && "0" == 0) && \old(data) <= 1) - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 572]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 585]: Loop Invariant [2020-12-09 04:40:44,844 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,844 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,844 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,844 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,844 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,845 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,845 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,845 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,845 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,845 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,847 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,847 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,847 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,847 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,847 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,847 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,847 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,847 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,848 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,848 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: ((((((((((((((((((((((((((((((((0 <= s && #memory_$Pointer$[#memory_$Pointer$[head][4]][4] == 0) && 1 <= data) && data <= 1) && 1 <= data) && len <= 0) && #NULL == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && "sll2n_remove_all.c" == 0) && 0 <= "0") && 0 <= temp) && 2 <= \old(len)) && data <= 1) && #NULL == 0) && 1 <= data) && !(#memory_$Pointer$[head][4] == s)) && data <= 1) && 1 <= \old(data)) && 0 <= "sll2n_remove_all.c") && s == 0) && malloc(sizeof(struct node)) <= 0) && head <= 0) && 1 <= \old(data)) && (((((((((((\result == new_head && \result == new_head) && 0 <= #memory_$Pointer$[new_head][new_head + 4]) && \result == temp) && len <= 1) && !(temp == 0)) && #memory_$Pointer$[new_head][new_head + 4] <= 0) && unknown-#memory_int-unknown[temp][temp] == data) && \result == temp) && 2 == len) && head == new_head) || (((((((((((((((len == \old(len) && \old(len) == len) && 19 == unknown-#length-unknown["sll2n_remove_all.c"]) && unknown-#memory_int-unknown["0"]["0"] == 48) && unknown-#memory_int-unknown["0"]["0" + 1] == 0) && \valid[0] == 0) && 2 == unknown-#length-unknown["0"]) && unknown-#StackHeapBarrier-unknown < s) && \valid[s] == 1) && 4 == unknown-#length-unknown[s]) && head == 0) && unknown-#StackHeapBarrier-unknown < "0") && \valid["0"] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && unknown-#StackHeapBarrier-unknown < "sll2n_remove_all.c") && \valid["sll2n_remove_all.c"] == 1))) && temp <= 0) && 0 <= malloc(sizeof(struct node))) && 0 <= head) && \old(len) <= 2) && \old(data) <= 1) && #memory_$Pointer$[#memory_$Pointer$[head][4]][4] == 0) && "0" == 0) && \old(data) <= 1) || (((((((((((((((((((((((((((((((1 <= len && 0 <= s) && 1 <= data) && data <= 1) && 1 <= data) && #NULL == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && "sll2n_remove_all.c" == 0) && 0 <= "0") && #memory_$Pointer$[head][4] == 0) && 0 <= temp) && 2 <= \old(len)) && data <= 1) && #NULL == 0) && 1 <= data) && \valid[head] == 1) && data <= 1) && 1 <= \old(data)) && 0 <= "sll2n_remove_all.c") && s == 0) && malloc(sizeof(struct node)) <= 0) && head <= 0) && 1 <= \old(data)) && (((((((((((\result == new_head && \result == new_head) && 0 <= #memory_$Pointer$[new_head][new_head + 4]) && \result == temp) && len <= 1) && !(temp == 0)) && #memory_$Pointer$[new_head][new_head + 4] <= 0) && unknown-#memory_int-unknown[temp][temp] == data) && \result == temp) && 2 == len) && head == new_head) || (((((((((((((((len == \old(len) && \old(len) == len) && 19 == unknown-#length-unknown["sll2n_remove_all.c"]) && unknown-#memory_int-unknown["0"]["0"] == 48) && unknown-#memory_int-unknown["0"]["0" + 1] == 0) && \valid[0] == 0) && 2 == unknown-#length-unknown["0"]) && unknown-#StackHeapBarrier-unknown < s) && \valid[s] == 1) && 4 == unknown-#length-unknown[s]) && head == 0) && unknown-#StackHeapBarrier-unknown < "0") && \valid["0"] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && unknown-#StackHeapBarrier-unknown < "sll2n_remove_all.c") && \valid["sll2n_remove_all.c"] == 1))) && temp <= 0) && 0 <= malloc(sizeof(struct node))) && 0 <= head) && !(head == s)) && \old(len) <= 2) && \old(data) <= 1) && "0" == 0) && \old(data) <= 1)) || (((((((((((((((((((((((((((head == 0 && \old(len) == len) && unknown-#memory_int-unknown["0"]["0"] == 48) && \valid[0] == 0) && 1 <= data) && 2 == len) && data == \old(data)) && head == 0) && unknown-#StackHeapBarrier-unknown < "0") && unknown-#StackHeapBarrier-unknown < "sll2n_remove_all.c") && #NULL == 0) && \valid["sll2n_remove_all.c"] == 1) && "sll2n_remove_all.c" == 0) && #NULL == 0) && 19 == unknown-#length-unknown["sll2n_remove_all.c"]) && unknown-#memory_int-unknown["0"]["0" + 1] == 0) && data <= 1) && 2 == unknown-#length-unknown["0"]) && 1 <= \old(data)) && unknown-#StackHeapBarrier-unknown < s) && s == 0) && \valid[s] == 1) && len == len) && 4 == unknown-#length-unknown[s]) && \valid["0"] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && \old(data) <= 1) && "0" == 0) - InvariantResult [Line: 576]: Loop Invariant [2020-12-09 04:40:44,849 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,849 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-09 04:40:44,850 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-09 04:40:44,850 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: (((((((((((((((((((((((((((((((0 <= s && 1 <= data) && data <= 1) && \valid[temp] == 1) && 1 <= data) && head == 0) && !(s == temp)) && #NULL == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && "sll2n_remove_all.c" == 0) && 0 <= "0") && 2 <= \old(len)) && data <= 1) && #NULL == 0) && 1 <= data) && 2 == len) && data <= 1) && 1 <= \old(data)) && 0 <= "sll2n_remove_all.c") && s == 0) && \valid[s] == 1) && len == len) && malloc(sizeof(struct node)) <= 0) && head <= 0) && 1 <= \old(data)) && temp == 0) && 0 <= malloc(sizeof(struct node))) && 0 <= head) && \old(len) <= 2) && \old(data) <= 1) && "0" == 0) && \old(data) <= 1) || (((((((((((((((((((((((((((((((((1 <= len && 0 <= s) && 1 <= data) && 2 == len) && data <= 1) && 1 <= data) && #NULL == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && "sll2n_remove_all.c" == 0) && 0 <= "0") && #memory_$Pointer$[head][4] == 0) && !(head == temp)) && 2 <= \old(len)) && data <= 1) && #NULL == 0) && 1 <= data) && \valid[head] == 1) && len <= 1) && data <= 1) && 1 <= \old(data)) && 0 <= "sll2n_remove_all.c") && s == 0) && malloc(sizeof(struct node)) <= 0) && head <= 0) && 1 <= \old(data)) && temp == 0) && 0 <= malloc(sizeof(struct node))) && #memory_$Pointer$[head][4] == 0) && 0 <= head) && !(head == s)) && \old(len) <= 2) && \old(data) <= 1) && "0" == 0) && \old(data) <= 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 97.4s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 33 SDtfs, 32 SDslu, 48 SDs, 0 SdLazy, 161 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 114 SyntacticMatches, 3 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 51.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 16 NumberOfFragments, 1244 HoareAnnotationTreeSize, 6 FomulaSimplifications, 17 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 552 FormulaSimplificationTreeSizeReductionInter, 3.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 116 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 149 ConstructedInterpolants, 0 QuantifiedInterpolants, 5679 SizeOfPredicates, 8 NumberOfNonLiveVariables, 762 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 17 InterpolantComputations, 5 PerfectInterpolantSequences, 72/97 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: OVERALL_TIME[ms]: 1043, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 6, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 9, TOOLS_POST_TIME[ms]: 855, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME[ms]: 0, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 9, TOOLS_QUANTIFIERELIM_TIME[ms]: 850, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 242, FLUID_QUERY_TIME[ms]: 2, FLUID_QUERIES: 19, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 2, DOMAIN_JOIN_TIME[ms]: 91, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 51, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 5, DOMAIN_ISBOTTOM_APPLICATIONS: 6, DOMAIN_ISBOTTOM_TIME[ms]: 13, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 569, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 569, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 1, PATH_EXPR_TIME[ms]: 2, REGEX_TO_DAG_TIME[ms]: 2, DAG_COMPRESSION_TIME[ms]: 5, DAG_COMPRESSION_PROCESSED_NODES: 63, DAG_COMPRESSION_RETAINED_NODES: 22, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...