./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-simple/dll2c_update_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/list-simple/dll2c_update_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7 --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 6bfeee33a1b1d098a34bec7a761d4de16bc595043f21d77f5851cba758b79f34 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:21:22,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:21:22,993 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:21:23,052 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:21:23,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:21:23,056 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:21:23,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:21:23,068 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:21:23,072 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:21:23,082 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:21:23,083 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:21:23,086 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:21:23,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:21:23,090 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:21:23,094 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:21:23,102 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:21:23,103 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:21:23,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:21:23,107 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:21:23,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:21:23,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:21:23,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:21:23,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:21:23,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:21:23,140 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:21:23,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:21:23,141 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:21:23,143 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:21:23,145 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:21:23,146 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:21:23,148 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:21:23,149 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:21:23,151 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:21:23,153 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:21:23,155 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:21:23,155 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:21:23,156 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:21:23,157 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:21:23,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:21:23,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:21:23,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:21:23,160 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 18:21:23,220 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:21:23,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:21:23,223 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:21:23,223 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:21:23,232 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:21:23,233 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:21:23,233 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:21:23,233 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:21:23,234 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:21:23,234 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:21:23,236 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:21:23,236 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:21:23,236 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:21:23,236 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:21:23,237 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:21:23,237 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:21:23,237 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:21:23,238 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:21:23,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:21:23,239 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 18:21:23,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:21:23,240 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 18:21:23,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:21:23,241 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:21:23,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:21:23,241 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:21:23,244 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 18:21:23,244 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:21:23,245 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:21:23,245 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:21:23,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:21:23,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:21:23,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:21:23,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:21:23,247 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:21:23,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:21:23,247 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:21:23,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:21:23,248 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:21:23,248 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:21:23,248 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:21:23,248 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bfeee33a1b1d098a34bec7a761d4de16bc595043f21d77f5851cba758b79f34 [2021-11-25 18:21:23,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:21:23,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:21:23,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:21:23,761 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:21:23,762 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:21:23,764 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/list-simple/dll2c_update_all.i [2021-11-25 18:21:23,867 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/data/00e6bef02/c0c962d0cc3545019560a9eba34e2b5f/FLAGb2e648f70 [2021-11-25 18:21:24,457 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:21:24,462 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/sv-benchmarks/c/list-simple/dll2c_update_all.i [2021-11-25 18:21:24,499 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/data/00e6bef02/c0c962d0cc3545019560a9eba34e2b5f/FLAGb2e648f70 [2021-11-25 18:21:24,733 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/data/00e6bef02/c0c962d0cc3545019560a9eba34e2b5f [2021-11-25 18:21:24,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:21:24,738 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:21:24,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:21:24,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:21:24,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:21:24,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:21:24" (1/1) ... [2021-11-25 18:21:24,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14a6c57e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:24, skipping insertion in model container [2021-11-25 18:21:24,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:21:24" (1/1) ... [2021-11-25 18:21:24,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:21:24,837 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:21:25,200 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/sv-benchmarks/c/list-simple/dll2c_update_all.i[24538,24551] [2021-11-25 18:21:25,204 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:21:25,213 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:21:25,269 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/sv-benchmarks/c/list-simple/dll2c_update_all.i[24538,24551] [2021-11-25 18:21:25,270 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:21:25,307 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:21:25,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:25 WrapperNode [2021-11-25 18:21:25,308 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:21:25,310 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:21:25,310 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:21:25,310 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:21:25,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:25" (1/1) ... [2021-11-25 18:21:25,341 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:25" (1/1) ... [2021-11-25 18:21:25,384 INFO L137 Inliner]: procedures = 126, calls = 29, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 131 [2021-11-25 18:21:25,385 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:21:25,386 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:21:25,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:21:25,387 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:21:25,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:25" (1/1) ... [2021-11-25 18:21:25,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:25" (1/1) ... [2021-11-25 18:21:25,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:25" (1/1) ... [2021-11-25 18:21:25,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:25" (1/1) ... [2021-11-25 18:21:25,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:25" (1/1) ... [2021-11-25 18:21:25,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:25" (1/1) ... [2021-11-25 18:21:25,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:25" (1/1) ... [2021-11-25 18:21:25,452 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:21:25,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:21:25,457 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:21:25,457 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:21:25,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:25" (1/1) ... [2021-11-25 18:21:25,471 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:21:25,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:21:25,498 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:21:25,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:21:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:21:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:21:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2021-11-25 18:21:25,563 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2021-11-25 18:21:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:21:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:21:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:21:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:21:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:21:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:21:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:21:25,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:21:25,764 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:21:25,766 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:21:26,105 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:21:26,191 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:21:26,191 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-25 18:21:26,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:21:26 BoogieIcfgContainer [2021-11-25 18:21:26,195 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:21:26,199 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:21:26,199 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:21:26,203 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:21:26,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:21:24" (1/3) ... [2021-11-25 18:21:26,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18841982 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:21:26, skipping insertion in model container [2021-11-25 18:21:26,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:25" (2/3) ... [2021-11-25 18:21:26,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18841982 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:21:26, skipping insertion in model container [2021-11-25 18:21:26,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:21:26" (3/3) ... [2021-11-25 18:21:26,206 INFO L111 eAbstractionObserver]: Analyzing ICFG dll2c_update_all.i [2021-11-25 18:21:26,214 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:21:26,215 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 18:21:26,278 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:21:26,288 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 18:21:26,288 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 18:21:26,317 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 17 states have (on average 1.588235294117647) internal successors, (27), 18 states have internal predecessors, (27), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 18:21:26,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 18:21:26,325 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:21:26,326 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:21:26,326 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:21:26,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:21:26,332 INFO L85 PathProgramCache]: Analyzing trace with hash 165599205, now seen corresponding path program 1 times [2021-11-25 18:21:26,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:21:26,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166803698] [2021-11-25 18:21:26,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:21:26,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:21:26,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:21:26,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:21:26,652 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:21:26,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166803698] [2021-11-25 18:21:26,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166803698] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:21:26,654 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:21:26,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:21:26,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179196484] [2021-11-25 18:21:26,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:21:26,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:21:26,661 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:21:26,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:21:26,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:21:26,698 INFO L87 Difference]: Start difference. First operand has 22 states, 17 states have (on average 1.588235294117647) internal successors, (27), 18 states have internal predecessors, (27), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 18:21:26,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:21:26,758 INFO L93 Difference]: Finished difference Result 37 states and 54 transitions. [2021-11-25 18:21:26,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:21:26,760 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2021-11-25 18:21:26,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:21:26,767 INFO L225 Difference]: With dead ends: 37 [2021-11-25 18:21:26,767 INFO L226 Difference]: Without dead ends: 19 [2021-11-25 18:21:26,770 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:21:26,774 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 1 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:21:26,775 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 35 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 18:21:26,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-11-25 18:21:26,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 17. [2021-11-25 18:21:26,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 18:21:26,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2021-11-25 18:21:26,811 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 22 transitions. Word has length 12 [2021-11-25 18:21:26,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:21:26,812 INFO L470 AbstractCegarLoop]: Abstraction has 17 states and 22 transitions. [2021-11-25 18:21:26,812 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 18:21:26,812 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2021-11-25 18:21:26,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:21:26,814 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:21:26,814 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:21:26,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:21:26,815 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:21:26,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:21:26,816 INFO L85 PathProgramCache]: Analyzing trace with hash 523554530, now seen corresponding path program 1 times [2021-11-25 18:21:26,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:21:26,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596829789] [2021-11-25 18:21:26,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:21:26,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:21:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:21:27,033 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 18:21:27,033 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:21:27,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596829789] [2021-11-25 18:21:27,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596829789] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:21:27,035 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:21:27,035 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:21:27,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980824943] [2021-11-25 18:21:27,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:21:27,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:21:27,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:21:27,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:21:27,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:21:27,039 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:21:27,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:21:27,105 INFO L93 Difference]: Finished difference Result 29 states and 38 transitions. [2021-11-25 18:21:27,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:21:27,106 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2021-11-25 18:21:27,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:21:27,109 INFO L225 Difference]: With dead ends: 29 [2021-11-25 18:21:27,109 INFO L226 Difference]: Without dead ends: 24 [2021-11-25 18:21:27,120 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:21:27,122 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 25 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:21:27,122 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 20 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 18:21:27,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2021-11-25 18:21:27,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 18. [2021-11-25 18:21:27,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 18:21:27,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions. [2021-11-25 18:21:27,135 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 23 transitions. Word has length 18 [2021-11-25 18:21:27,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:21:27,140 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 23 transitions. [2021-11-25 18:21:27,140 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:21:27,141 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2021-11-25 18:21:27,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 18:21:27,141 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:21:27,142 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:21:27,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 18:21:27,142 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:21:27,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:21:27,143 INFO L85 PathProgramCache]: Analyzing trace with hash 517856597, now seen corresponding path program 1 times [2021-11-25 18:21:27,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:21:27,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774145473] [2021-11-25 18:21:27,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:21:27,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:21:27,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:21:27,250 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 18:21:27,251 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:21:27,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774145473] [2021-11-25 18:21:27,251 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774145473] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:21:27,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132888246] [2021-11-25 18:21:27,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:21:27,252 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:21:27,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:21:27,254 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:21:27,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 18:21:27,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:21:27,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 18:21:27,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:21:27,550 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 18:21:27,550 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:21:27,631 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 18:21:27,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1132888246] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:21:27,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1497887791] [2021-11-25 18:21:27,656 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2021-11-25 18:21:27,656 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:21:27,661 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:21:27,666 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:21:27,667 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:21:27,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-25 18:21:27,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 18:21:27,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:27,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:27,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:27,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-11-25 18:21:27,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:27,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:27,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:27,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-11-25 18:21:27,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:27,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:27,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:27,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2021-11-25 18:21:28,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-11-25 18:21:28,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:21:28,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:21:28,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:28,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2021-11-25 18:21:28,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:28,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2021-11-25 18:21:28,787 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:21:28,791 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:21:28,796 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:21:29,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:21:29,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:21:29,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:21:29,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-25 18:21:29,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:21:29,313 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:21:29,318 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:21:29,331 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:21:29,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:29,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:29,401 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:21:29,413 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-25 18:21:29,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 30 [2021-11-25 18:21:29,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:29,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:29,437 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:21:29,456 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 18:21:29,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 34 [2021-11-25 18:21:29,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:29,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:29,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:29,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 18 [2021-11-25 18:21:29,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-11-25 18:21:29,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:29,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2021-11-25 18:21:29,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:21:29,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:29,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2021-11-25 18:21:29,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:21:29,803 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:21:29,808 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:21:29,813 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:21:30,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-25 18:21:30,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:21:30,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:21:30,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:21:30,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:21:30,233 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:21:30,238 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:21:30,241 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:21:30,244 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:21:30,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:30,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:30,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 18 [2021-11-25 18:21:30,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:30,390 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-25 18:21:30,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 28 [2021-11-25 18:21:30,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:30,421 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 18:21:30,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 32 [2021-11-25 18:21:30,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:30,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-25 18:21:30,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:30,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 7 [2021-11-25 18:21:30,530 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:21:30,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:30,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-25 18:21:30,576 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:21:30,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:30,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:30,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:30,584 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:21:30,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 23 [2021-11-25 18:21:30,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-25 18:21:30,608 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:21:30,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:30,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:30,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:30,616 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:21:30,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 23 [2021-11-25 18:21:30,724 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:21:30,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 138 [2021-11-25 18:21:30,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:30,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:30,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:30,745 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:21:30,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 148 treesize of output 125 [2021-11-25 18:21:30,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:30,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:30,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:30,766 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:21:30,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 148 treesize of output 125 [2021-11-25 18:21:31,103 INFO L197 IcfgInterpreter]: Interpreting procedure node_create with input of size 80 for LOIs [2021-11-25 18:21:31,353 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:21:42,412 WARN L227 SmtUtils]: Spent 10.15s on a formula simplification. DAG size of input: 120 DAG size of output: 113 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 18:21:44,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1497887791] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:21:44,361 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-25 18:21:44,361 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5, 5, 5] total 20 [2021-11-25 18:21:44,362 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586926632] [2021-11-25 18:21:44,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:21:44,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:21:44,363 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:21:44,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:21:44,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=300, Unknown=0, NotChecked=0, Total=380 [2021-11-25 18:21:44,365 INFO L87 Difference]: Start difference. First operand 18 states and 23 transitions. Second operand has 12 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 18:21:44,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:21:44,597 INFO L93 Difference]: Finished difference Result 25 states and 33 transitions. [2021-11-25 18:21:44,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-25 18:21:44,598 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 20 [2021-11-25 18:21:44,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:21:44,599 INFO L225 Difference]: With dead ends: 25 [2021-11-25 18:21:44,599 INFO L226 Difference]: Without dead ends: 20 [2021-11-25 18:21:44,600 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 13.1s TimeCoverageRelationStatistics Valid=80, Invalid=300, Unknown=0, NotChecked=0, Total=380 [2021-11-25 18:21:44,601 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 13 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 53 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:21:44,601 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 24 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 91 Invalid, 0 Unknown, 53 Unchecked, 0.2s Time] [2021-11-25 18:21:44,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-11-25 18:21:44,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2021-11-25 18:21:44,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 18:21:44,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 25 transitions. [2021-11-25 18:21:44,613 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 25 transitions. Word has length 20 [2021-11-25 18:21:44,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:21:44,613 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 25 transitions. [2021-11-25 18:21:44,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 18:21:44,614 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2021-11-25 18:21:44,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 18:21:44,615 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:21:44,615 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:21:44,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-25 18:21:44,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:21:44,831 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:21:44,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:21:44,831 INFO L85 PathProgramCache]: Analyzing trace with hash 250342324, now seen corresponding path program 1 times [2021-11-25 18:21:44,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:21:44,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582324514] [2021-11-25 18:21:44,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:21:44,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:21:44,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:21:44,942 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 18:21:44,942 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:21:44,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582324514] [2021-11-25 18:21:44,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582324514] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:21:44,943 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:21:44,943 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:21:44,943 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440058099] [2021-11-25 18:21:44,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:21:44,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:21:44,944 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:21:44,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:21:44,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:21:44,945 INFO L87 Difference]: Start difference. First operand 19 states and 25 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:21:45,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:21:45,019 INFO L93 Difference]: Finished difference Result 34 states and 45 transitions. [2021-11-25 18:21:45,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 18:21:45,020 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2021-11-25 18:21:45,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:21:45,022 INFO L225 Difference]: With dead ends: 34 [2021-11-25 18:21:45,022 INFO L226 Difference]: Without dead ends: 27 [2021-11-25 18:21:45,023 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:21:45,026 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 6 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:21:45,027 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 33 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 18:21:45,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-11-25 18:21:45,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 21. [2021-11-25 18:21:45,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 17 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 18:21:45,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 27 transitions. [2021-11-25 18:21:45,043 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 27 transitions. Word has length 21 [2021-11-25 18:21:45,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:21:45,044 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 27 transitions. [2021-11-25 18:21:45,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:21:45,044 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2021-11-25 18:21:45,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 18:21:45,046 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:21:45,046 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:21:45,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 18:21:45,047 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:21:45,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:21:45,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1993055135, now seen corresponding path program 2 times [2021-11-25 18:21:45,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:21:45,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168327725] [2021-11-25 18:21:45,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:21:45,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:21:45,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:21:45,847 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:21:45,848 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:21:45,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168327725] [2021-11-25 18:21:45,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168327725] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:21:45,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1125049454] [2021-11-25 18:21:45,848 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-25 18:21:45,848 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:21:45,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:21:45,850 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:21:45,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 18:21:46,315 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-25 18:21:46,316 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-25 18:21:46,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 104 conjunts are in the unsatisfiable core [2021-11-25 18:21:46,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:21:46,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 18:21:46,588 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-25 18:21:46,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-25 18:21:46,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2021-11-25 18:21:46,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-11-25 18:21:46,788 INFO L354 Elim1Store]: treesize reduction 38, result has 22.4 percent of original size [2021-11-25 18:21:46,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 77 treesize of output 68 [2021-11-25 18:21:46,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 54 [2021-11-25 18:21:46,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 18:21:46,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2021-11-25 18:21:46,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2021-11-25 18:21:46,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:46,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:46,970 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:21:46,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 35 [2021-11-25 18:21:46,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-25 18:21:47,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 15 [2021-11-25 18:21:47,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-11-25 18:21:47,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-11-25 18:21:47,387 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:21:47,387 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:21:47,565 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_501 (Array Int Int))) (<= |c_ULTIMATE.start_main_~len~0#1| (select (select (store |c_#memory_int| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| v_ArrVal_501) |c_ULTIMATE.start_main_~s~0#1.base|) (+ |c_ULTIMATE.start_main_~s~0#1.offset| 8)))) (forall ((v_ArrVal_501 (Array Int Int))) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| v_ArrVal_501) |c_ULTIMATE.start_main_~s~0#1.base|) (+ |c_ULTIMATE.start_main_~s~0#1.offset| 8)) (+ |c_ULTIMATE.start_main_~len~0#1| 1)))) is different from false [2021-11-25 18:21:47,581 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_501 (Array Int Int))) (< (select (select (store |c_#memory_int| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base|) |c_ULTIMATE.start_dll_circular_update_at_~head#1.offset|) v_ArrVal_501) |c_ULTIMATE.start_main_~s~0#1.base|) (+ |c_ULTIMATE.start_main_~s~0#1.offset| 8)) (+ |c_ULTIMATE.start_main_~len~0#1| 1))) (forall ((v_ArrVal_501 (Array Int Int))) (<= |c_ULTIMATE.start_main_~len~0#1| (select (select (store |c_#memory_int| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base|) |c_ULTIMATE.start_dll_circular_update_at_~head#1.offset|) v_ArrVal_501) |c_ULTIMATE.start_main_~s~0#1.base|) (+ |c_ULTIMATE.start_main_~s~0#1.offset| 8))))) is different from false [2021-11-25 18:21:47,594 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_501 (Array Int Int))) (< (select (select (store |c_#memory_int| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) v_ArrVal_501) |c_ULTIMATE.start_main_~s~0#1.base|) (+ |c_ULTIMATE.start_main_~s~0#1.offset| 8)) (+ |c_ULTIMATE.start_main_~len~0#1| 1))) (forall ((v_ArrVal_501 (Array Int Int))) (<= |c_ULTIMATE.start_main_~len~0#1| (select (select (store |c_#memory_int| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) v_ArrVal_501) |c_ULTIMATE.start_main_~s~0#1.base|) (+ |c_ULTIMATE.start_main_~s~0#1.offset| 8))))) is different from false [2021-11-25 18:21:47,604 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:21:47,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 37 [2021-11-25 18:21:47,618 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:21:47,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 67 [2021-11-25 18:21:47,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2021-11-25 18:21:47,689 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:21:47,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 39 [2021-11-25 18:21:47,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:47,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 56 [2021-11-25 18:21:47,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2021-11-25 18:21:47,847 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_497 Int) (v_ArrVal_493 (Array Int Int))) (not (= (select (store (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_493) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4) |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) (+ |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset| 8) v_ArrVal_497) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|))) is different from false [2021-11-25 18:21:47,913 INFO L354 Elim1Store]: treesize reduction 10, result has 70.6 percent of original size [2021-11-25 18:21:47,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 83 [2021-11-25 18:21:47,928 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:21:47,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 59 treesize of output 64 [2021-11-25 18:21:47,952 INFO L354 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2021-11-25 18:21:47,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 58 treesize of output 70 [2021-11-25 18:21:47,974 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:21:47,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 18 [2021-11-25 18:21:48,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 18:21:48,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42 [2021-11-25 18:21:48,073 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:21:48,074 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:21:48,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 18:21:48,083 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:21:48,083 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:21:48,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 18:21:48,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 58 [2021-11-25 18:21:48,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 98 [2021-11-25 18:21:48,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 130 [2021-11-25 18:21:48,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1125049454] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:21:48,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [182735319] [2021-11-25 18:21:48,346 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2021-11-25 18:21:48,346 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:21:48,346 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:21:48,347 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:21:48,347 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:21:48,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 18:21:48,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-25 18:21:48,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:48,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:48,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:48,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-11-25 18:21:48,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:48,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:48,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:48,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2021-11-25 18:21:48,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:48,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:48,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:48,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-11-25 18:21:48,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-11-25 18:21:48,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:21:48,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:48,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2021-11-25 18:21:48,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:48,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2021-11-25 18:21:48,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:21:48,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:48,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2021-11-25 18:21:48,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-11-25 18:21:48,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:21:48,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:48,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2021-11-25 18:21:48,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:21:48,862 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:21:48,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:48,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 225 treesize of output 209 [2021-11-25 18:21:48,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:48,884 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:21:48,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:48,886 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:21:48,887 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:21:48,888 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:21:48,911 INFO L354 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2021-11-25 18:21:48,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 332 treesize of output 321 [2021-11-25 18:21:48,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:48,930 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:21:48,932 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:21:48,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:48,935 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:21:48,955 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-11-25 18:21:48,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 328 treesize of output 218 [2021-11-25 18:21:48,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:48,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2021-11-25 18:21:49,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:49,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 13 [2021-11-25 18:21:49,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:49,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 41 [2021-11-25 18:21:49,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:49,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2021-11-25 18:21:49,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:21:49,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-11-25 18:21:49,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:21:49,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:49,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2021-11-25 18:21:49,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:49,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2021-11-25 18:21:49,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:21:49,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:49,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2021-11-25 18:21:49,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:21:49,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-11-25 18:21:49,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:49,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:49,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 18 [2021-11-25 18:21:49,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:49,346 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-25 18:21:49,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 28 [2021-11-25 18:21:49,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:49,369 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 18:21:49,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 32 [2021-11-25 18:21:49,423 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:21:49,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:49,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-25 18:21:49,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:49,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-25 18:21:49,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:49,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 7 [2021-11-25 18:21:49,536 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:21:49,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:49,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:49,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:49,544 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:21:49,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 23 [2021-11-25 18:21:49,562 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:21:49,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:49,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:49,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:49,571 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:21:49,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 23 [2021-11-25 18:21:49,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-25 18:21:49,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 18:21:49,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 18:21:49,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-25 18:21:49,940 INFO L197 IcfgInterpreter]: Interpreting procedure node_create with input of size 80 for LOIs [2021-11-25 18:21:50,182 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:22:00,219 WARN L227 SmtUtils]: Spent 8.78s on a formula simplification. DAG size of input: 120 DAG size of output: 114 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 18:22:02,378 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '648#(and (<= |ULTIMATE.start_dll_circular_get_data_at_#res#1| 2147483647) (<= 0 |ULTIMATE.start_main_~s~0#1.offset|) (<= |ULTIMATE.start_main_~data~0#1| 1) (<= 0 |#NULL.base|) (<= 2 |ULTIMATE.start_main_~len~0#1|) (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_dll_circular_get_data_at_#in~index#1| |ULTIMATE.start_dll_circular_get_data_at_~index#1|) (<= 2 |ULTIMATE.start_dll_circular_create_#in~len#1|) (<= 0 (+ 2147483648 |ULTIMATE.start_dll_circular_get_data_at_#res#1|)) (<= 1 |ULTIMATE.start_dll_circular_create_~len#1|) (<= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (<= |ULTIMATE.start_dll_circular_create_#in~data#1| 1) (<= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= (+ |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~expected~0#1|) (<= |#NULL.offset| 0) (<= |ULTIMATE.start_main_~len~0#1| 2) (= |ULTIMATE.start_main_~s~0#1.base| |ULTIMATE.start_dll_circular_get_data_at_#in~head#1.base|) (= |ULTIMATE.start_dll_circular_get_data_at_#in~head#1.offset| |ULTIMATE.start_main_~s~0#1.offset|) (= |ULTIMATE.start_dll_circular_get_data_at_#in~index#1| |ULTIMATE.start_main_~i~0#1|) (<= 1 |ULTIMATE.start_dll_circular_create_#in~data#1|) (not (= |ULTIMATE.start_main_~expected~0#1| |ULTIMATE.start_dll_circular_get_data_at_#res#1|)) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_dll_circular_create_#res#1.offset|) (<= 1 |ULTIMATE.start_dll_circular_create_~data#1|) (<= |ULTIMATE.start_dll_circular_create_#res#1.offset| 0) (= |ULTIMATE.start_dll_circular_get_data_at_#in~head#1.offset| |ULTIMATE.start_dll_circular_get_data_at_~head#1.offset|) (<= |ULTIMATE.start_dll_circular_create_#in~len#1| 2) (<= 0 |#NULL.offset|) (<= 1 |ULTIMATE.start_main_~data~0#1|) (<= |ULTIMATE.start_dll_circular_create_~len#1| 1) (= |ULTIMATE.start_dll_circular_get_data_at_~head#1.base| |ULTIMATE.start_dll_circular_get_data_at_#in~head#1.base|) (<= |ULTIMATE.start_dll_circular_create_~data#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~s~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_dll_circular_get_data_at_~head#1.base|) (+ 8 |ULTIMATE.start_dll_circular_get_data_at_~head#1.offset|)) |ULTIMATE.start_dll_circular_get_data_at_#res#1|))' at error location [2021-11-25 18:22:02,381 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 18:22:02,381 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-25 18:22:02,381 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 21] total 35 [2021-11-25 18:22:02,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545667303] [2021-11-25 18:22:02,382 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-25 18:22:02,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2021-11-25 18:22:02,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:22:02,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-11-25 18:22:02,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=222, Invalid=2870, Unknown=4, NotChecked=444, Total=3540 [2021-11-25 18:22:02,387 INFO L87 Difference]: Start difference. First operand 21 states and 27 transitions. Second operand has 35 states, 32 states have (on average 1.09375) internal successors, (35), 30 states have internal predecessors, (35), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-25 18:22:03,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:22:03,592 INFO L93 Difference]: Finished difference Result 53 states and 74 transitions. [2021-11-25 18:22:03,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-25 18:22:03,593 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 32 states have (on average 1.09375) internal successors, (35), 30 states have internal predecessors, (35), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 23 [2021-11-25 18:22:03,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:22:03,596 INFO L225 Difference]: With dead ends: 53 [2021-11-25 18:22:03,596 INFO L226 Difference]: Without dead ends: 51 [2021-11-25 18:22:03,600 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 71 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 1053 ImplicationChecksByTransitivity, 14.1s TimeCoverageRelationStatistics Valid=399, Invalid=4305, Unknown=4, NotChecked=548, Total=5256 [2021-11-25 18:22:03,601 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 85 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:22:03,601 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [87 Valid, 161 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-25 18:22:03,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-11-25 18:22:03,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 34. [2021-11-25 18:22:03,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 29 states have (on average 1.4137931034482758) internal successors, (41), 29 states have internal predecessors, (41), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 18:22:03,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 47 transitions. [2021-11-25 18:22:03,638 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 47 transitions. Word has length 23 [2021-11-25 18:22:03,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:22:03,639 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 47 transitions. [2021-11-25 18:22:03,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 32 states have (on average 1.09375) internal successors, (35), 30 states have internal predecessors, (35), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-25 18:22:03,642 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 47 transitions. [2021-11-25 18:22:03,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 18:22:03,645 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:22:03,646 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:22:03,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 18:22:03,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:22:03,871 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:22:03,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:22:03,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1657540567, now seen corresponding path program 1 times [2021-11-25 18:22:03,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:22:03,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698166796] [2021-11-25 18:22:03,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:22:03,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:22:03,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:22:03,962 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-25 18:22:03,962 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:22:03,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698166796] [2021-11-25 18:22:03,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698166796] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:22:03,963 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:22:03,963 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:22:03,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442486621] [2021-11-25 18:22:03,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:22:03,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:22:03,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:22:03,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:22:03,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:22:03,965 INFO L87 Difference]: Start difference. First operand 34 states and 47 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:22:04,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:22:04,010 INFO L93 Difference]: Finished difference Result 45 states and 60 transitions. [2021-11-25 18:22:04,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 18:22:04,011 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2021-11-25 18:22:04,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:22:04,012 INFO L225 Difference]: With dead ends: 45 [2021-11-25 18:22:04,012 INFO L226 Difference]: Without dead ends: 40 [2021-11-25 18:22:04,013 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:22:04,013 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 8 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:22:04,014 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 33 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 18:22:04,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-11-25 18:22:04,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 36. [2021-11-25 18:22:04,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 31 states have internal predecessors, (42), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 18:22:04,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 48 transitions. [2021-11-25 18:22:04,024 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 48 transitions. Word has length 24 [2021-11-25 18:22:04,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:22:04,025 INFO L470 AbstractCegarLoop]: Abstraction has 36 states and 48 transitions. [2021-11-25 18:22:04,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:22:04,025 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 48 transitions. [2021-11-25 18:22:04,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 18:22:04,025 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:22:04,025 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:22:04,026 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 18:22:04,026 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:22:04,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:22:04,026 INFO L85 PathProgramCache]: Analyzing trace with hash -278510040, now seen corresponding path program 3 times [2021-11-25 18:22:04,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:22:04,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088579920] [2021-11-25 18:22:04,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:22:04,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:22:04,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:22:04,085 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 18:22:04,086 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:22:04,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088579920] [2021-11-25 18:22:04,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088579920] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:22:04,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1914925158] [2021-11-25 18:22:04,087 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-25 18:22:04,087 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:22:04,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:22:04,093 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:22:04,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 18:22:04,256 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-25 18:22:04,256 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-25 18:22:04,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 18:22:04,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:22:04,302 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 18:22:04,302 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:22:04,344 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 18:22:04,344 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1914925158] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:22:04,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [669657511] [2021-11-25 18:22:04,350 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2021-11-25 18:22:04,350 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:22:04,351 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:22:04,351 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:22:04,351 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:22:04,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 18:22:04,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-25 18:22:04,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:04,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:04,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:04,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-11-25 18:22:04,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:04,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:04,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:04,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-11-25 18:22:04,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:04,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:04,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:04,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2021-11-25 18:22:04,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:22:04,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:22:04,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-25 18:22:04,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:22:04,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:22:04,853 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:04,856 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:04,858 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:04,860 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:05,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:22:05,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:22:05,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-25 18:22:05,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:22:05,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:22:05,126 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:05,128 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:05,130 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:05,222 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:05,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:05,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 225 treesize of output 209 [2021-11-25 18:22:05,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:05,245 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:05,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:05,247 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:05,249 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:05,278 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-11-25 18:22:05,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 332 treesize of output 325 [2021-11-25 18:22:05,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:05,300 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:05,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:05,302 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:05,303 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:05,304 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:05,317 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-25 18:22:05,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 344 treesize of output 222 [2021-11-25 18:22:05,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:05,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 13 [2021-11-25 18:22:05,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:05,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 28 [2021-11-25 18:22:05,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:05,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 43 [2021-11-25 18:22:05,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:22:05,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-25 18:22:05,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:22:05,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:22:05,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:22:05,660 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:05,662 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:05,665 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:05,667 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:05,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:22:05,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-11-25 18:22:05,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:05,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2021-11-25 18:22:05,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:22:05,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:05,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2021-11-25 18:22:05,908 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:05,911 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:05,914 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:05,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:05,978 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-25 18:22:05,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 28 [2021-11-25 18:22:05,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:06,002 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 18:22:06,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 32 [2021-11-25 18:22:06,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:06,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:06,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 18 [2021-11-25 18:22:06,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:06,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 7 [2021-11-25 18:22:06,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:06,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-25 18:22:06,081 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:06,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:06,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-25 18:22:06,128 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:06,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:06,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:06,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:06,135 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:22:06,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 23 [2021-11-25 18:22:06,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-25 18:22:06,158 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:06,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:06,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:06,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:06,165 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:22:06,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 23 [2021-11-25 18:22:06,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 18:22:06,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-25 18:22:06,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 18:22:06,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-25 18:22:06,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 18:22:06,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 18:22:06,683 INFO L197 IcfgInterpreter]: Interpreting procedure node_create with input of size 80 for LOIs [2021-11-25 18:22:06,922 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:22:16,051 WARN L227 SmtUtils]: Spent 8.30s on a formula simplification. DAG size of input: 120 DAG size of output: 115 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 18:22:17,457 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1130#(and (<= |ULTIMATE.start_dll_circular_get_data_at_#res#1| 2147483647) (<= 0 |ULTIMATE.start_main_~s~0#1.offset|) (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_dll_circular_get_data_at_#in~index#1| |ULTIMATE.start_dll_circular_get_data_at_~index#1|) (<= 2 |ULTIMATE.start_dll_circular_create_#in~len#1|) (<= 0 (+ 2147483648 |ULTIMATE.start_dll_circular_get_data_at_#res#1|)) (<= 1 |ULTIMATE.start_dll_circular_create_~len#1|) (<= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (<= |ULTIMATE.start_dll_circular_create_#in~data#1| 1) (<= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= (+ |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~expected~0#1|) (= |ULTIMATE.start_main_~s~0#1.base| |ULTIMATE.start_dll_circular_get_data_at_#in~head#1.base|) (= |ULTIMATE.start_dll_circular_get_data_at_#in~head#1.offset| |ULTIMATE.start_main_~s~0#1.offset|) (= |ULTIMATE.start_dll_circular_get_data_at_#in~index#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_~data~0#1| 1) (<= 1 |ULTIMATE.start_dll_circular_create_#in~data#1|) (not (= |ULTIMATE.start_main_~expected~0#1| |ULTIMATE.start_dll_circular_get_data_at_#res#1|)) (= |ULTIMATE.start_main_~len~0#1| 2) (<= 0 |ULTIMATE.start_dll_circular_create_#res#1.offset|) (= |#NULL.offset| 0) (<= 1 |ULTIMATE.start_dll_circular_create_~data#1|) (<= |ULTIMATE.start_dll_circular_create_#res#1.offset| 0) (= |ULTIMATE.start_dll_circular_get_data_at_#in~head#1.offset| |ULTIMATE.start_dll_circular_get_data_at_~head#1.offset|) (<= |ULTIMATE.start_dll_circular_create_#in~len#1| 2) (<= |ULTIMATE.start_dll_circular_create_~len#1| 1) (= |ULTIMATE.start_dll_circular_get_data_at_~head#1.base| |ULTIMATE.start_dll_circular_get_data_at_#in~head#1.base|) (<= |ULTIMATE.start_dll_circular_create_~data#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~s~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (= |#NULL.base| 0) (= (select (select |#memory_int| |ULTIMATE.start_dll_circular_get_data_at_~head#1.base|) (+ 8 |ULTIMATE.start_dll_circular_get_data_at_~head#1.offset|)) |ULTIMATE.start_dll_circular_get_data_at_#res#1|))' at error location [2021-11-25 18:22:17,457 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 18:22:17,457 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-25 18:22:17,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 7 [2021-11-25 18:22:17,457 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215327859] [2021-11-25 18:22:17,457 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-25 18:22:17,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-25 18:22:17,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:22:17,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-25 18:22:17,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=347, Unknown=0, NotChecked=0, Total=420 [2021-11-25 18:22:17,459 INFO L87 Difference]: Start difference. First operand 36 states and 48 transitions. Second operand has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:22:17,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:22:17,612 INFO L93 Difference]: Finished difference Result 57 states and 76 transitions. [2021-11-25 18:22:17,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 18:22:17,613 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2021-11-25 18:22:17,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:22:17,614 INFO L225 Difference]: With dead ends: 57 [2021-11-25 18:22:17,615 INFO L226 Difference]: Without dead ends: 48 [2021-11-25 18:22:17,615 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 10.6s TimeCoverageRelationStatistics Valid=92, Invalid=460, Unknown=0, NotChecked=0, Total=552 [2021-11-25 18:22:17,616 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 46 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:22:17,617 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 38 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 18:22:17,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2021-11-25 18:22:17,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 40. [2021-11-25 18:22:17,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 35 states have internal predecessors, (47), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 18:22:17,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 53 transitions. [2021-11-25 18:22:17,635 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 53 transitions. Word has length 24 [2021-11-25 18:22:17,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:22:17,635 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 53 transitions. [2021-11-25 18:22:17,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:22:17,636 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 53 transitions. [2021-11-25 18:22:17,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 18:22:17,637 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:22:17,637 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:22:17,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-25 18:22:17,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:22:17,859 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:22:17,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:22:17,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1824430642, now seen corresponding path program 4 times [2021-11-25 18:22:17,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:22:17,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799103261] [2021-11-25 18:22:17,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:22:17,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:22:17,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:22:18,000 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 18:22:18,003 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:22:18,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799103261] [2021-11-25 18:22:18,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799103261] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:22:18,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [591353628] [2021-11-25 18:22:18,004 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-25 18:22:18,004 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:22:18,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:22:18,007 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:22:18,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 18:22:18,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:22:18,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 18:22:18,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:22:18,234 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 18:22:18,234 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:22:18,272 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 18:22:18,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [591353628] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:22:18,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1229906703] [2021-11-25 18:22:18,275 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2021-11-25 18:22:18,275 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:22:18,275 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:22:18,276 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:22:18,276 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:22:18,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-25 18:22:18,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 18:22:18,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-11-25 18:22:18,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2021-11-25 18:22:18,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-11-25 18:22:18,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2021-11-25 18:22:18,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:22:18,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:22:18,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2021-11-25 18:22:18,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-11-25 18:22:18,752 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:18,755 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:18,758 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:18,761 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:18,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:22:18,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:22:18,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:22:18,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:22:18,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-25 18:22:18,954 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:18,956 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:18,959 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:18,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,009 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 18:22:19,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 32 [2021-11-25 18:22:19,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,028 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-25 18:22:19,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 28 [2021-11-25 18:22:19,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 18 [2021-11-25 18:22:19,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:22:19,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:22:19,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:22:19,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-25 18:22:19,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:22:19,274 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:19,276 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:19,278 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:19,280 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:19,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-25 18:22:19,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:22:19,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:22:19,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:22:19,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:22:19,501 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:19,503 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:19,505 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:19,506 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:19,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,563 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-25 18:22:19,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 28 [2021-11-25 18:22:19,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 18 [2021-11-25 18:22:19,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,602 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 18:22:19,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 32 [2021-11-25 18:22:19,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 7 [2021-11-25 18:22:19,660 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:19,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-25 18:22:19,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-25 18:22:19,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-25 18:22:19,724 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:19,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,732 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:22:19,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 23 [2021-11-25 18:22:19,743 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:19,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,750 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:22:19,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 23 [2021-11-25 18:22:19,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 18:22:19,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 18:22:19,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-25 18:22:20,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 18:22:20,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-25 18:22:20,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 18:22:20,301 INFO L197 IcfgInterpreter]: Interpreting procedure node_create with input of size 80 for LOIs [2021-11-25 18:22:20,516 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:22:30,647 WARN L227 SmtUtils]: Spent 9.22s on a formula simplification. DAG size of input: 120 DAG size of output: 113 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 18:22:31,909 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1470#(and (<= |ULTIMATE.start_dll_circular_get_data_at_#res#1| 2147483647) (<= 0 |ULTIMATE.start_main_~s~0#1.offset|) (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_dll_circular_get_data_at_#in~index#1| |ULTIMATE.start_dll_circular_get_data_at_~index#1|) (<= 2 |ULTIMATE.start_dll_circular_create_#in~len#1|) (<= 0 (+ 2147483648 |ULTIMATE.start_dll_circular_get_data_at_#res#1|)) (<= 1 |ULTIMATE.start_dll_circular_create_~len#1|) (<= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (<= |ULTIMATE.start_dll_circular_create_#in~data#1| 1) (<= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= (+ |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~expected~0#1|) (= |ULTIMATE.start_main_~s~0#1.base| |ULTIMATE.start_dll_circular_get_data_at_#in~head#1.base|) (= |ULTIMATE.start_dll_circular_get_data_at_#in~head#1.offset| |ULTIMATE.start_main_~s~0#1.offset|) (= |ULTIMATE.start_dll_circular_get_data_at_#in~index#1| |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_~data~0#1| 1) (<= 1 |ULTIMATE.start_dll_circular_create_#in~data#1|) (not (= |ULTIMATE.start_main_~expected~0#1| |ULTIMATE.start_dll_circular_get_data_at_#res#1|)) (= |ULTIMATE.start_main_~len~0#1| 2) (<= 0 |ULTIMATE.start_dll_circular_create_#res#1.offset|) (= |#NULL.offset| 0) (<= 1 |ULTIMATE.start_dll_circular_create_~data#1|) (<= |ULTIMATE.start_dll_circular_create_#res#1.offset| 0) (= |ULTIMATE.start_dll_circular_get_data_at_#in~head#1.offset| |ULTIMATE.start_dll_circular_get_data_at_~head#1.offset|) (<= |ULTIMATE.start_dll_circular_create_#in~len#1| 2) (<= |ULTIMATE.start_dll_circular_create_~len#1| 1) (= |ULTIMATE.start_dll_circular_get_data_at_~head#1.base| |ULTIMATE.start_dll_circular_get_data_at_#in~head#1.base|) (<= |ULTIMATE.start_dll_circular_create_~data#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~s~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (= |#NULL.base| 0) (= (select (select |#memory_int| |ULTIMATE.start_dll_circular_get_data_at_~head#1.base|) (+ 8 |ULTIMATE.start_dll_circular_get_data_at_~head#1.offset|)) |ULTIMATE.start_dll_circular_get_data_at_#res#1|))' at error location [2021-11-25 18:22:31,909 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 18:22:31,909 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-25 18:22:31,910 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2021-11-25 18:22:31,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569047053] [2021-11-25 18:22:31,910 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-25 18:22:31,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 18:22:31,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:22:31,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 18:22:31,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2021-11-25 18:22:31,912 INFO L87 Difference]: Start difference. First operand 40 states and 53 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:22:31,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:22:31,991 INFO L93 Difference]: Finished difference Result 53 states and 70 transitions. [2021-11-25 18:22:31,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 18:22:31,992 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2021-11-25 18:22:31,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:22:31,993 INFO L225 Difference]: With dead ends: 53 [2021-11-25 18:22:31,993 INFO L226 Difference]: Without dead ends: 42 [2021-11-25 18:22:31,993 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 11.4s TimeCoverageRelationStatistics Valid=72, Invalid=348, Unknown=0, NotChecked=0, Total=420 [2021-11-25 18:22:31,994 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 11 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:22:31,995 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 50 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 18:22:31,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2021-11-25 18:22:32,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 39. [2021-11-25 18:22:32,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 34 states have internal predecessors, (42), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 18:22:32,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 48 transitions. [2021-11-25 18:22:32,007 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 48 transitions. Word has length 25 [2021-11-25 18:22:32,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:22:32,008 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 48 transitions. [2021-11-25 18:22:32,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:22:32,008 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2021-11-25 18:22:32,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 18:22:32,009 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:22:32,009 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:22:32,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-25 18:22:32,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:22:32,215 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:22:32,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:22:32,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1431804676, now seen corresponding path program 1 times [2021-11-25 18:22:32,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:22:32,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179400164] [2021-11-25 18:22:32,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:22:32,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:22:32,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:22:32,290 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-25 18:22:32,290 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:22:32,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179400164] [2021-11-25 18:22:32,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179400164] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:22:32,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1988637399] [2021-11-25 18:22:32,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:22:32,291 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:22:32,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:22:32,292 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:22:32,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-25 18:22:32,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:22:32,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 18:22:32,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:22:32,491 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-25 18:22:32,491 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:22:32,530 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-25 18:22:32,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1988637399] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:22:32,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [729242918] [2021-11-25 18:22:32,533 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2021-11-25 18:22:32,533 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:22:32,534 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:22:32,534 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:22:32,534 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:22:32,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-25 18:22:32,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 18:22:32,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:32,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:32,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:32,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2021-11-25 18:22:32,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:32,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:32,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:32,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-11-25 18:22:32,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:32,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:32,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:32,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-11-25 18:22:32,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:22:32,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-25 18:22:32,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:22:32,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:22:32,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:22:32,919 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:32,922 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:32,925 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:33,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-25 18:22:33,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:22:33,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:22:33,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:22:33,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:22:33,282 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:33,295 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:33,298 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:33,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:33,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:33,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:33,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 18 [2021-11-25 18:22:33,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:33,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:33,364 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:33,376 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 18:22:33,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 34 [2021-11-25 18:22:33,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:33,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:33,397 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:33,407 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-25 18:22:33,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 30 [2021-11-25 18:22:33,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:22:33,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:22:33,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:22:33,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:22:33,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-25 18:22:33,720 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:33,722 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:33,725 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:33,727 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:33,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:22:33,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:33,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2021-11-25 18:22:34,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:34,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2021-11-25 18:22:34,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:22:34,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-11-25 18:22:34,041 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:34,044 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:34,061 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:22:34,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:34,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:34,137 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:34,147 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-25 18:22:34,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 30 [2021-11-25 18:22:34,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:34,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:34,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:34,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 18 [2021-11-25 18:22:34,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:34,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:34,184 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:34,199 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 18:22:34,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 34 [2021-11-25 18:22:34,247 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:34,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:34,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-25 18:22:34,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:34,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-25 18:22:34,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:34,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 7 [2021-11-25 18:22:34,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-25 18:22:34,357 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:34,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:34,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:34,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:34,367 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:22:34,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 23 [2021-11-25 18:22:34,383 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:34,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:34,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:34,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:34,392 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:22:34,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 23 [2021-11-25 18:22:34,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-25 18:22:34,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 18:22:34,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 18:22:34,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 18:22:34,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 18:22:34,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-25 18:22:35,326 INFO L197 IcfgInterpreter]: Interpreting procedure node_create with input of size 80 for LOIs [2021-11-25 18:22:35,587 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:22:45,495 WARN L227 SmtUtils]: Spent 9.04s on a formula simplification. DAG size of input: 120 DAG size of output: 115 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 18:22:47,355 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1804#(and (<= |ULTIMATE.start_dll_circular_get_data_at_#res#1| 2147483647) (<= |ULTIMATE.start_main_~data~0#1| 1) (<= 0 |#NULL.base|) (= |ULTIMATE.start_dll_circular_get_data_at_#in~index#1| |ULTIMATE.start_dll_circular_get_data_at_~index#1|) (<= 2 |ULTIMATE.start_dll_circular_create_#in~len#1|) (<= 0 (+ 2147483648 |ULTIMATE.start_dll_circular_get_data_at_#res#1|)) (<= 1 |ULTIMATE.start_dll_circular_create_~len#1|) (<= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (<= |ULTIMATE.start_dll_circular_create_#in~data#1| 1) (<= 0 |ULTIMATE.start_dll_circular_get_data_at_~head#1.offset|) (<= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (<= |ULTIMATE.start_dll_circular_get_data_at_~head#1.offset| 0) (<= |ULTIMATE.start_dll_circular_get_data_at_~index#1| 0) (= (+ |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~expected~0#1|) (<= |#NULL.offset| 0) (<= |ULTIMATE.start_main_~len~0#1| 2) (= |ULTIMATE.start_main_~s~0#1.base| |ULTIMATE.start_dll_circular_get_data_at_#in~head#1.base|) (= |ULTIMATE.start_dll_circular_get_data_at_#in~head#1.offset| |ULTIMATE.start_main_~s~0#1.offset|) (= |ULTIMATE.start_dll_circular_get_data_at_#in~index#1| |ULTIMATE.start_main_~i~0#1|) (<= 1 |ULTIMATE.start_dll_circular_create_#in~data#1|) (not (= |ULTIMATE.start_main_~expected~0#1| |ULTIMATE.start_dll_circular_get_data_at_#res#1|)) (<= |#NULL.base| 0) (<= 0 |ULTIMATE.start_dll_circular_create_#res#1.offset|) (<= 1 |ULTIMATE.start_dll_circular_create_~data#1|) (<= |ULTIMATE.start_dll_circular_create_#res#1.offset| 0) (<= |ULTIMATE.start_dll_circular_create_#in~len#1| 2) (<= 2 |ULTIMATE.start_main_~expected~0#1|) (<= 0 |#NULL.offset|) (<= 1 |ULTIMATE.start_main_~data~0#1|) (<= |ULTIMATE.start_dll_circular_create_~len#1| 1) (= |ULTIMATE.start_dll_circular_get_data_at_~head#1.base| |ULTIMATE.start_dll_circular_get_data_at_#in~head#1.base|) (<= 0 |ULTIMATE.start_dll_circular_get_data_at_#in~head#1.offset|) (<= |ULTIMATE.start_dll_circular_create_~data#1| 1) (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_dll_circular_get_data_at_~head#1.base|) (+ 8 |ULTIMATE.start_dll_circular_get_data_at_~head#1.offset|)) |ULTIMATE.start_dll_circular_get_data_at_#res#1|) (<= |ULTIMATE.start_dll_circular_get_data_at_#in~head#1.offset| 0))' at error location [2021-11-25 18:22:47,355 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 18:22:47,355 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-25 18:22:47,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2021-11-25 18:22:47,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100183491] [2021-11-25 18:22:47,355 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-25 18:22:47,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 18:22:47,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:22:47,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 18:22:47,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2021-11-25 18:22:47,357 INFO L87 Difference]: Start difference. First operand 39 states and 48 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:22:47,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:22:47,428 INFO L93 Difference]: Finished difference Result 48 states and 59 transitions. [2021-11-25 18:22:47,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 18:22:47,428 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2021-11-25 18:22:47,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:22:47,429 INFO L225 Difference]: With dead ends: 48 [2021-11-25 18:22:47,429 INFO L226 Difference]: Without dead ends: 43 [2021-11-25 18:22:47,430 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 62 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 11.8s TimeCoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2021-11-25 18:22:47,431 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 13 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:22:47,431 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 43 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 18:22:47,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-11-25 18:22:47,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 40. [2021-11-25 18:22:47,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 35 states have (on average 1.2285714285714286) internal successors, (43), 35 states have internal predecessors, (43), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 18:22:47,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 49 transitions. [2021-11-25 18:22:47,445 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 49 transitions. Word has length 26 [2021-11-25 18:22:47,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:22:47,446 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 49 transitions. [2021-11-25 18:22:47,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:22:47,446 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2021-11-25 18:22:47,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 18:22:47,447 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:22:47,448 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:22:47,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-25 18:22:47,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-11-25 18:22:47,655 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:22:47,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:22:47,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1379244236, now seen corresponding path program 5 times [2021-11-25 18:22:47,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:22:47,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118965077] [2021-11-25 18:22:47,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:22:47,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:22:47,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:22:47,793 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-25 18:22:47,793 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:22:47,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118965077] [2021-11-25 18:22:47,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118965077] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:22:47,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1904764535] [2021-11-25 18:22:47,794 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-25 18:22:47,794 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:22:47,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:22:47,796 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:22:47,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-25 18:22:49,122 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-11-25 18:22:49,122 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-25 18:22:49,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 18:22:49,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:22:49,238 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-25 18:22:49,238 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:22:49,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1904764535] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:22:49,238 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 18:22:49,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2021-11-25 18:22:49,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181485133] [2021-11-25 18:22:49,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:22:49,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 18:22:49,239 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:22:49,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 18:22:49,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2021-11-25 18:22:49,240 INFO L87 Difference]: Start difference. First operand 40 states and 49 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:22:49,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:22:49,319 INFO L93 Difference]: Finished difference Result 57 states and 69 transitions. [2021-11-25 18:22:49,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 18:22:49,321 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2021-11-25 18:22:49,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:22:49,321 INFO L225 Difference]: With dead ends: 57 [2021-11-25 18:22:49,322 INFO L226 Difference]: Without dead ends: 39 [2021-11-25 18:22:49,322 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2021-11-25 18:22:49,323 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 15 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:22:49,324 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 25 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 18:22:49,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-11-25 18:22:49,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2021-11-25 18:22:49,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 32 states have (on average 1.125) internal successors, (36), 32 states have internal predecessors, (36), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 18:22:49,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 42 transitions. [2021-11-25 18:22:49,338 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 42 transitions. Word has length 27 [2021-11-25 18:22:49,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:22:49,338 INFO L470 AbstractCegarLoop]: Abstraction has 37 states and 42 transitions. [2021-11-25 18:22:49,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 18:22:49,338 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2021-11-25 18:22:49,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 18:22:49,339 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:22:49,340 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:22:49,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-25 18:22:49,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:22:49,567 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:22:49,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:22:49,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1438645522, now seen corresponding path program 1 times [2021-11-25 18:22:49,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:22:49,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810915197] [2021-11-25 18:22:49,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:22:49,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:22:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:22:50,268 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:22:50,269 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:22:50,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810915197] [2021-11-25 18:22:50,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810915197] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:22:50,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712911622] [2021-11-25 18:22:50,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:22:50,269 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:22:50,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:22:50,270 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:22:50,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-25 18:22:50,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:22:50,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 109 conjunts are in the unsatisfiable core [2021-11-25 18:22:50,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:22:50,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 18:22:50,600 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-25 18:22:50,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-25 18:22:50,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2021-11-25 18:22:50,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-11-25 18:22:50,722 INFO L354 Elim1Store]: treesize reduction 38, result has 22.4 percent of original size [2021-11-25 18:22:50,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 77 treesize of output 68 [2021-11-25 18:22:50,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 54 [2021-11-25 18:22:50,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-25 18:22:50,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2021-11-25 18:22:50,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2021-11-25 18:22:50,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:50,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:50,886 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:22:50,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 35 [2021-11-25 18:22:51,107 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-25 18:22:51,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 66 [2021-11-25 18:22:51,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2021-11-25 18:22:51,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:51,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-11-25 18:22:51,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-11-25 18:22:51,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-11-25 18:22:51,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-11-25 18:22:51,496 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:22:51,496 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:22:51,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 64 [2021-11-25 18:22:51,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 64 [2021-11-25 18:22:51,879 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ |c_ULTIMATE.start_main_~len~0#1| 1) |c_ULTIMATE.start_dll_circular_update_at_~data#1|) (< |c_ULTIMATE.start_dll_circular_update_at_~data#1| (+ |c_ULTIMATE.start_main_~len~0#1| 2)) (forall ((v_ArrVal_1423 (Array Int Int))) (= |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| v_ArrVal_1423) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|))) (forall ((v_ArrVal_1422 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| v_ArrVal_1422) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) |c_ULTIMATE.start_dll_circular_update_at_~head#1.offset|))) is different from false [2021-11-25 18:22:51,895 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:22:51,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 37 [2021-11-25 18:22:51,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2021-11-25 18:22:54,160 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_59| Int)) (or (and (< |c_ULTIMATE.start_main_~i~0#1| 1) (forall ((v_ArrVal_1420 Int)) (not (= |c_ULTIMATE.start_main_~s~0#1.base| (select (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~s~0#1.base|) (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_59| 8) v_ArrVal_1420) |c_ULTIMATE.start_main_~s~0#1.offset|)))) (<= 0 |c_ULTIMATE.start_main_~i~0#1|)) (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_59| |c_ULTIMATE.start_main_~s~0#1.offset|))) is different from false [2021-11-25 18:22:54,176 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_59| Int) (v_ArrVal_1418 (Array Int Int))) (or (< |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_59| |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (forall ((v_ArrVal_1420 Int)) (not (= (select (store (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_1418) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4) |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) (+ |v_ULTIMATE.start_dll_circular_update_at_~head#1.offset_59| 8) v_ArrVal_1420) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|))))) is different from false [2021-11-25 18:22:54,223 INFO L354 Elim1Store]: treesize reduction 10, result has 70.6 percent of original size [2021-11-25 18:22:54,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 83 [2021-11-25 18:22:54,237 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:22:54,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 59 treesize of output 64 [2021-11-25 18:22:54,278 INFO L354 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2021-11-25 18:22:54,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 58 treesize of output 70 [2021-11-25 18:22:54,292 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:22:54,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 18 [2021-11-25 18:22:54,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42 [2021-11-25 18:22:54,341 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:54,341 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:54,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 18:22:54,349 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:54,350 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:54,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 18:22:54,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2021-11-25 18:22:54,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 58 [2021-11-25 18:22:54,399 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:54,400 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:54,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 44 [2021-11-25 18:22:54,403 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:54,404 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:54,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 22 [2021-11-25 18:22:54,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [712911622] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:22:54,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [103400772] [2021-11-25 18:22:54,595 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2021-11-25 18:22:54,595 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:22:54,596 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:22:54,596 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:22:54,596 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:22:54,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-25 18:22:54,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 18:22:54,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:54,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:54,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:54,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-11-25 18:22:54,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:54,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:54,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:54,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-11-25 18:22:54,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:54,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:54,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:54,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2021-11-25 18:22:54,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:22:54,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:22:54,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-25 18:22:54,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:22:54,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:22:54,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:22:54,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:22:54,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:22:54,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-25 18:22:54,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:22:54,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:54,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:54,926 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:54,937 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 18:22:54,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 34 [2021-11-25 18:22:54,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:54,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:54,947 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:54,954 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-25 18:22:54,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 30 [2021-11-25 18:22:54,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:54,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:54,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:54,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 18 [2021-11-25 18:22:55,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:22:55,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:22:55,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:22:55,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:22:55,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-25 18:22:55,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:22:55,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-25 18:22:55,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:22:55,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:22:55,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:22:55,197 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:55,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:55,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 225 treesize of output 209 [2021-11-25 18:22:55,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:55,211 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:55,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:55,212 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:55,213 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:55,213 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:55,226 INFO L354 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2021-11-25 18:22:55,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 332 treesize of output 321 [2021-11-25 18:22:55,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:55,237 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:55,238 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:55,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:55,239 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:55,251 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-11-25 18:22:55,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 328 treesize of output 218 [2021-11-25 18:22:55,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:55,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2021-11-25 18:22:55,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:55,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2021-11-25 18:22:55,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:55,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 81 [2021-11-25 18:22:55,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:55,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 139 [2021-11-25 18:22:55,452 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:55,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:55,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-25 18:22:55,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:55,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 7 [2021-11-25 18:22:55,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:55,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-25 18:22:55,521 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:55,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:55,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:55,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:55,527 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:22:55,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 23 [2021-11-25 18:22:55,539 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:55,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:55,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:55,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:55,551 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:22:55,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 23 [2021-11-25 18:22:55,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-25 18:22:55,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-25 18:22:55,732 INFO L354 Elim1Store]: treesize reduction 25, result has 40.5 percent of original size [2021-11-25 18:22:55,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 136 treesize of output 130 [2021-11-25 18:22:55,755 INFO L354 Elim1Store]: treesize reduction 25, result has 40.5 percent of original size [2021-11-25 18:22:55,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 132 treesize of output 126 [2021-11-25 18:22:56,110 INFO L197 IcfgInterpreter]: Interpreting procedure node_create with input of size 80 for LOIs [2021-11-25 18:22:56,328 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:23:06,307 WARN L227 SmtUtils]: Spent 8.86s on a formula simplification. DAG size of input: 120 DAG size of output: 114 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 18:23:08,244 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2406#(and (<= |ULTIMATE.start_dll_circular_get_data_at_#res#1| 2147483647) (<= 0 |ULTIMATE.start_main_~s~0#1.offset|) (<= 2 |ULTIMATE.start_dll_circular_create_#in~len#1|) (<= 0 (+ 2147483648 |ULTIMATE.start_dll_circular_get_data_at_#res#1|)) (<= 0 |ULTIMATE.start_dll_circular_get_data_at_#in~index#1|) (<= 1 |ULTIMATE.start_dll_circular_create_~len#1|) (<= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (<= |ULTIMATE.start_dll_circular_create_#in~data#1| 1) (<= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (<= |ULTIMATE.start_dll_circular_get_data_at_~index#1| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_~data~0#1| 1) (<= 1 |ULTIMATE.start_dll_circular_create_#in~data#1|) (not (= |ULTIMATE.start_main_~expected~0#1| |ULTIMATE.start_dll_circular_get_data_at_#res#1|)) (= |ULTIMATE.start_main_~len~0#1| 2) (<= 0 |ULTIMATE.start_dll_circular_create_#res#1.offset|) (= |#NULL.offset| 0) (<= 1 |ULTIMATE.start_dll_circular_create_~data#1|) (<= |ULTIMATE.start_dll_circular_create_#res#1.offset| 0) (<= |ULTIMATE.start_dll_circular_create_#in~len#1| 2) (<= 2 |ULTIMATE.start_main_~expected~0#1|) (<= |ULTIMATE.start_dll_circular_create_~len#1| 1) (<= 0 |ULTIMATE.start_dll_circular_get_data_at_#in~head#1.offset|) (<= |ULTIMATE.start_dll_circular_create_~data#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~s~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (= |#NULL.base| 0) (= (select (select |#memory_int| |ULTIMATE.start_dll_circular_get_data_at_~head#1.base|) (+ 8 |ULTIMATE.start_dll_circular_get_data_at_~head#1.offset|)) |ULTIMATE.start_dll_circular_get_data_at_#res#1|) (<= |ULTIMATE.start_dll_circular_get_data_at_#in~head#1.offset| 0))' at error location [2021-11-25 18:23:08,245 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 18:23:08,245 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-25 18:23:08,245 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 38 [2021-11-25 18:23:08,245 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704215117] [2021-11-25 18:23:08,245 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-25 18:23:08,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2021-11-25 18:23:08,246 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:23:08,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-11-25 18:23:08,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=3478, Unknown=3, NotChecked=360, Total=4032 [2021-11-25 18:23:08,248 INFO L87 Difference]: Start difference. First operand 37 states and 42 transitions. Second operand has 38 states, 35 states have (on average 1.1714285714285715) internal successors, (41), 33 states have internal predecessors, (41), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-25 18:23:09,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:23:09,986 INFO L93 Difference]: Finished difference Result 48 states and 54 transitions. [2021-11-25 18:23:09,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-25 18:23:09,986 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 35 states have (on average 1.1714285714285715) internal successors, (41), 33 states have internal predecessors, (41), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 27 [2021-11-25 18:23:09,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:23:09,987 INFO L225 Difference]: With dead ends: 48 [2021-11-25 18:23:09,987 INFO L226 Difference]: Without dead ends: 45 [2021-11-25 18:23:09,989 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 28 SyntacticMatches, 2 SemanticMatches, 76 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 890 ImplicationChecksByTransitivity, 16.7s TimeCoverageRelationStatistics Valid=377, Invalid=5182, Unknown=3, NotChecked=444, Total=6006 [2021-11-25 18:23:09,990 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 76 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:23:09,990 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [76 Valid, 273 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 683 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-25 18:23:09,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-11-25 18:23:10,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 39. [2021-11-25 18:23:10,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 34 states have (on average 1.1176470588235294) internal successors, (38), 34 states have internal predecessors, (38), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 18:23:10,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2021-11-25 18:23:10,003 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 27 [2021-11-25 18:23:10,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:23:10,004 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions. [2021-11-25 18:23:10,004 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 35 states have (on average 1.1714285714285715) internal successors, (41), 33 states have internal predecessors, (41), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-25 18:23:10,004 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2021-11-25 18:23:10,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 18:23:10,005 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:23:10,005 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:23:10,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-25 18:23:10,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:23:10,211 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:23:10,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:23:10,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1650711748, now seen corresponding path program 2 times [2021-11-25 18:23:10,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:23:10,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784324921] [2021-11-25 18:23:10,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:23:10,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:23:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:23:10,279 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-25 18:23:10,280 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:23:10,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784324921] [2021-11-25 18:23:10,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784324921] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:23:10,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [362762911] [2021-11-25 18:23:10,280 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-25 18:23:10,281 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:23:10,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:23:10,282 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:23:10,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-25 18:23:10,500 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-25 18:23:10,500 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-25 18:23:10,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 18:23:10,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:23:10,553 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 18:23:10,553 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:23:10,630 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 18:23:10,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [362762911] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:23:10,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1958238144] [2021-11-25 18:23:10,642 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2021-11-25 18:23:10,642 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:23:10,643 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:23:10,643 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:23:10,643 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:23:10,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 18:23:10,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-25 18:23:10,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:10,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:10,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:10,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2021-11-25 18:23:10,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:10,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:10,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:10,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-11-25 18:23:10,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:10,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:10,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:10,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 17 [2021-11-25 18:23:10,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:23:10,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:23:10,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:23:10,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:23:10,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-25 18:23:10,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:23:10,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-25 18:23:10,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:23:10,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:23:10,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:23:10,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:10,941 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-25 18:23:10,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 28 [2021-11-25 18:23:10,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:10,957 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 18:23:10,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 32 [2021-11-25 18:23:10,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:10,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:10,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 18 [2021-11-25 18:23:11,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:23:11,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-25 18:23:11,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:23:11,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:23:11,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:23:11,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-25 18:23:11,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:23:11,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:23:11,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 18:23:11,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 18:23:11,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:11,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:11,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:11,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 18 [2021-11-25 18:23:11,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:11,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:11,168 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:23:11,177 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 18:23:11,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 34 [2021-11-25 18:23:11,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:11,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:11,201 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:23:11,211 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-25 18:23:11,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 30 [2021-11-25 18:23:11,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:11,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-25 18:23:11,259 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:23:11,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:11,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-11-25 18:23:11,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:11,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 7 [2021-11-25 18:23:11,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-25 18:23:11,364 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:23:11,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:11,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:11,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:11,370 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:23:11,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 23 [2021-11-25 18:23:11,380 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:23:11,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:11,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:11,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:11,385 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:23:11,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 23 [2021-11-25 18:23:11,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-25 18:23:11,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 18:23:11,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-25 18:23:11,768 INFO L197 IcfgInterpreter]: Interpreting procedure node_create with input of size 80 for LOIs [2021-11-25 18:23:11,960 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:23:20,930 WARN L227 SmtUtils]: Spent 8.34s on a formula simplification. DAG size of input: 120 DAG size of output: 115 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 18:23:21,864 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2766#(and (<= |ULTIMATE.start_dll_circular_get_data_at_#res#1| 2147483647) (<= 0 |ULTIMATE.start_main_~s~0#1.offset|) (<= 2 |ULTIMATE.start_dll_circular_create_#in~len#1|) (<= 0 (+ 2147483648 |ULTIMATE.start_dll_circular_get_data_at_#res#1|)) (<= 0 |ULTIMATE.start_dll_circular_get_data_at_#in~index#1|) (<= 1 |ULTIMATE.start_dll_circular_create_~len#1|) (<= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (<= |ULTIMATE.start_dll_circular_create_#in~data#1| 1) (<= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (<= |ULTIMATE.start_dll_circular_get_data_at_~index#1| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_~data~0#1| 1) (<= 1 |ULTIMATE.start_dll_circular_create_#in~data#1|) (not (= |ULTIMATE.start_main_~expected~0#1| |ULTIMATE.start_dll_circular_get_data_at_#res#1|)) (= |ULTIMATE.start_main_~len~0#1| 2) (<= 0 |ULTIMATE.start_dll_circular_create_#res#1.offset|) (= |#NULL.offset| 0) (<= 1 |ULTIMATE.start_dll_circular_create_~data#1|) (<= |ULTIMATE.start_dll_circular_create_#res#1.offset| 0) (<= |ULTIMATE.start_dll_circular_create_#in~len#1| 2) (<= 2 |ULTIMATE.start_main_~expected~0#1|) (<= |ULTIMATE.start_dll_circular_create_~len#1| 1) (<= 0 |ULTIMATE.start_dll_circular_get_data_at_#in~head#1.offset|) (<= |ULTIMATE.start_dll_circular_create_~data#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~s~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (= |#NULL.base| 0) (= (select (select |#memory_int| |ULTIMATE.start_dll_circular_get_data_at_~head#1.base|) (+ 8 |ULTIMATE.start_dll_circular_get_data_at_~head#1.offset|)) |ULTIMATE.start_dll_circular_get_data_at_#res#1|) (<= |ULTIMATE.start_dll_circular_get_data_at_#in~head#1.offset| 0))' at error location [2021-11-25 18:23:21,864 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 18:23:21,864 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-25 18:23:21,864 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 7 [2021-11-25 18:23:21,864 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569559381] [2021-11-25 18:23:21,864 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-25 18:23:21,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-25 18:23:21,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:23:21,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-25 18:23:21,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2021-11-25 18:23:21,866 INFO L87 Difference]: Start difference. First operand 39 states and 44 transitions. Second operand has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 18:23:21,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:23:21,997 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2021-11-25 18:23:21,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-25 18:23:21,997 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 28 [2021-11-25 18:23:21,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:23:21,998 INFO L225 Difference]: With dead ends: 46 [2021-11-25 18:23:21,998 INFO L226 Difference]: Without dead ends: 30 [2021-11-25 18:23:21,999 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 70 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=101, Invalid=499, Unknown=0, NotChecked=0, Total=600 [2021-11-25 18:23:21,999 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 26 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:23:22,000 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 38 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 18:23:22,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-11-25 18:23:22,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28. [2021-11-25 18:23:22,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 23 states have (on average 1.0869565217391304) internal successors, (25), 23 states have internal predecessors, (25), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 18:23:22,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2021-11-25 18:23:22,008 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 28 [2021-11-25 18:23:22,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:23:22,009 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2021-11-25 18:23:22,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 18:23:22,009 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2021-11-25 18:23:22,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-25 18:23:22,010 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:23:22,010 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:23:22,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-25 18:23:22,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:23:22,211 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:23:22,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:23:22,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1942414012, now seen corresponding path program 6 times [2021-11-25 18:23:22,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:23:22,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215246287] [2021-11-25 18:23:22,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:23:22,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:23:22,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:23:22,280 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-25 18:23:22,281 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:23:22,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215246287] [2021-11-25 18:23:22,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215246287] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:23:22,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1218515642] [2021-11-25 18:23:22,281 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-25 18:23:22,282 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:23:22,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:23:22,291 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:23:22,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-25 18:23:23,151 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-25 18:23:23,151 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-25 18:23:23,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 18:23:23,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:23:23,198 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 18:23:23,198 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:23:23,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1218515642] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:23:23,198 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 18:23:23,198 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2021-11-25 18:23:23,198 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084654941] [2021-11-25 18:23:23,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:23:23,199 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:23:23,199 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:23:23,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:23:23,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:23:23,200 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-25 18:23:23,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:23:23,214 INFO L93 Difference]: Finished difference Result 31 states and 33 transitions. [2021-11-25 18:23:23,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:23:23,215 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 29 [2021-11-25 18:23:23,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:23:23,215 INFO L225 Difference]: With dead ends: 31 [2021-11-25 18:23:23,215 INFO L226 Difference]: Without dead ends: 0 [2021-11-25 18:23:23,216 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:23:23,216 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:23:23,217 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 18:23:23,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-25 18:23:23,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-25 18:23:23,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:23:23,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-25 18:23:23,218 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2021-11-25 18:23:23,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:23:23,218 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-25 18:23:23,218 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-25 18:23:23,218 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-25 18:23:23,218 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 18:23:23,235 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-25 18:23:23,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-25 18:23:23,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-11-25 18:23:23,437 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-25 18:23:26,153 INFO L854 garLoopResultBuilder]: At program point L638(lines 626 645) the Hoare annotation is: false [2021-11-25 18:23:26,153 INFO L854 garLoopResultBuilder]: At program point L589(line 589) the Hoare annotation is: (let ((.cse0 (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (.cse1 (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|))) (and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= (select .cse0 0) 0) (= |ULTIMATE.start_dll_circular_create_~data#1| |ULTIMATE.start_dll_circular_create_#in~data#1|) (= |ULTIMATE.start_dll_circular_create_#in~len#1| |ULTIMATE.start_main_~len~0#1|) (<= |#NULL.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 8) |ULTIMATE.start_dll_circular_create_~data#1|) (< |ULTIMATE.start_dll_circular_create_~head~0#1.base| |#StackHeapBarrier|) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (= (select .cse0 4) 0) (= |ULTIMATE.start_dll_circular_create_#in~len#1| |ULTIMATE.start_dll_circular_create_~len#1|) (= |ULTIMATE.start_main_~data~0#1| 1) (= (select .cse1 4) 0) (= |ULTIMATE.start_main_~len~0#1| 2) (<= 1 |ULTIMATE.start_dll_circular_create_~data#1|) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| 0)) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (<= 0 |#NULL.offset|) (= (select .cse1 0) 0) (<= |ULTIMATE.start_dll_circular_create_~data#1| 1) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2021-11-25 18:23:26,153 INFO L858 garLoopResultBuilder]: For program point L589-1(line 589) no Hoare annotation was computed. [2021-11-25 18:23:26,153 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-25 18:23:26,154 INFO L854 garLoopResultBuilder]: At program point L631-3(lines 631 634) the Hoare annotation is: (let ((.cse32 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) |ULTIMATE.start_main_~s~0#1.offset|)) (.cse26 (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (.cse35 (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|))) (let ((.cse0 (select .cse35 4)) (.cse8 (<= 2 |ULTIMATE.start_dll_circular_create_#in~len#1|)) (.cse9 (<= 1 |ULTIMATE.start_dll_circular_create_~len#1|)) (.cse10 (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)) (.cse11 (<= |ULTIMATE.start_dll_circular_create_#in~data#1| 1)) (.cse28 (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (.cse12 (<= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)) (.cse1 (= |ULTIMATE.start_dll_circular_create_~last~0#1.base| (select .cse26 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) (.cse2 (= .cse32 0)) (.cse16 (= |ULTIMATE.start_main_~data~0#1| 1)) (.cse17 (<= 1 |ULTIMATE.start_dll_circular_create_#in~data#1|)) (.cse3 (= |ULTIMATE.start_main_~len~0#1| 2)) (.cse19 (= |#NULL.offset| 0)) (.cse20 (<= 1 |ULTIMATE.start_dll_circular_create_~data#1|)) (.cse22 (<= |ULTIMATE.start_dll_circular_create_#in~len#1| 2)) (.cse4 (<= |ULTIMATE.start_dll_circular_create_~data#1| 1)) (.cse5 (<= 0 |#StackHeapBarrier|)) (.cse29 (= |ULTIMATE.start_main_~s~0#1.offset| 0)) (.cse25 (= |#NULL.base| 0)) (.cse30 (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))) (or (and (not (= 0 .cse0)) .cse1 .cse2 .cse3 .cse4 .cse5 (let ((.cse27 (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))) (let ((.cse6 (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) |ULTIMATE.start_dll_circular_create_~last~0#1.offset|))) (.cse7 (= (select .cse28 .cse27) |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)) (.cse13 (= |ULTIMATE.start_dll_circular_create_#res#1.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)) (.cse14 (= (select .cse26 .cse27) |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (.cse15 (= |ULTIMATE.start_dll_circular_create_#res#1.base| |ULTIMATE.start_main_~s~0#1.base|)) (.cse18 (= |ULTIMATE.start_dll_circular_create_#res#1.offset| |ULTIMATE.start_main_~s~0#1.offset|)) (.cse21 (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (.cse23 (<= |ULTIMATE.start_dll_circular_create_~len#1| 1)) (.cse24 (= |ULTIMATE.start_dll_circular_create_#res#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|))) (or (and .cse6 .cse7 (= |ULTIMATE.start_main_~i~0#1| 0) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25) (and (= |ULTIMATE.start_dll_circular_update_at_#in~data#1| |ULTIMATE.start_dll_circular_update_at_~data#1|) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (= |ULTIMATE.start_main_~i~0#1| 1) (= (select (select |#memory_int| |ULTIMATE.start_dll_circular_update_at_~head#1.base|) (+ 8 |ULTIMATE.start_dll_circular_update_at_~head#1.offset|)) |ULTIMATE.start_dll_circular_update_at_~data#1|) .cse14 .cse15 (= |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_main_~new_data~0#1|) .cse16 .cse17 .cse18 (= |ULTIMATE.start_dll_circular_update_at_#in~index#1| |ULTIMATE.start_dll_circular_update_at_~index#1|) (= |ULTIMATE.start_dll_circular_update_at_~head#1.base| |ULTIMATE.start_dll_circular_update_at_#in~head#1.base|) (= |ULTIMATE.start_dll_circular_update_at_#in~index#1| 0) (= |ULTIMATE.start_dll_circular_update_at_#in~head#1.offset| |ULTIMATE.start_dll_circular_update_at_~head#1.offset|) (= |ULTIMATE.start_dll_circular_update_at_#in~head#1.base| |ULTIMATE.start_main_~s~0#1.base|) .cse19 .cse20 (= |ULTIMATE.start_main_~s~0#1.offset| |ULTIMATE.start_dll_circular_update_at_#in~head#1.offset|) .cse21 .cse22 .cse23 .cse24 (= |ULTIMATE.start_dll_circular_update_at_#in~data#1| |ULTIMATE.start_main_~new_data~0#1|) .cse25)))) .cse29 .cse30) (let ((.cse31 (select .cse35 0)) (.cse33 (select .cse35 |ULTIMATE.start_main_~s~0#1.offset|)) (.cse34 (+ |ULTIMATE.start_main_~len~0#1| 1))) (and (= .cse31 .cse0) (not (= |ULTIMATE.start_dll_circular_create_~last~0#1.base| 0)) (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) .cse8 (<= |ULTIMATE.start_dll_circular_create_~len#1| 2) .cse9 (= .cse32 |ULTIMATE.start_dll_circular_update_at_~head#1.offset|) .cse10 .cse11 (= (select .cse28 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) 0) .cse12 .cse1 .cse2 (= .cse33 |ULTIMATE.start_dll_circular_update_at_~head#1.base|) (not (= .cse31 0)) (<= |ULTIMATE.start_dll_circular_update_at_~index#1| 0) (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse16 .cse17 .cse3 .cse19 .cse20 (= |ULTIMATE.start_dll_circular_update_at_~data#1| .cse34) .cse22 (= (select (select |#memory_int| .cse33) (+ .cse32 8)) .cse34) .cse4 .cse5 (= |ULTIMATE.start_main_~len~0#1| (select (select |#memory_int| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 8))) .cse29 .cse25 .cse30))))) [2021-11-25 18:23:26,155 INFO L858 garLoopResultBuilder]: For program point L601(lines 601 611) no Hoare annotation was computed. [2021-11-25 18:23:26,155 INFO L858 garLoopResultBuilder]: For program point L602(lines 602 610) no Hoare annotation was computed. [2021-11-25 18:23:26,155 INFO L854 garLoopResultBuilder]: At program point L635-3(lines 635 640) the Hoare annotation is: (let ((.cse34 (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|))) (let ((.cse32 (+ |ULTIMATE.start_main_~len~0#1| 1)) (.cse30 (select .cse34 |ULTIMATE.start_main_~s~0#1.offset|)) (.cse31 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) |ULTIMATE.start_main_~s~0#1.offset|)) (.cse33 (select .cse34 0))) (let ((.cse0 (= .cse33 (select .cse34 4))) (.cse1 (not (= |ULTIMATE.start_dll_circular_create_~last~0#1.base| 0))) (.cse5 (= .cse31 |ULTIMATE.start_dll_circular_update_at_~head#1.offset|)) (.cse9 (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) 0)) (.cse11 (= |ULTIMATE.start_dll_circular_create_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) (.cse12 (= .cse31 0)) (.cse13 (= .cse30 |ULTIMATE.start_dll_circular_update_at_~head#1.base|)) (.cse14 (not (= .cse33 0))) (.cse21 (= |ULTIMATE.start_dll_circular_update_at_~data#1| .cse32)) (.cse23 (= (select (select |#memory_int| .cse30) (+ .cse31 8)) .cse32)) (.cse27 (= |ULTIMATE.start_main_~s~0#1.offset| 0)) (.cse29 (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))) (.cse2 (<= 2 |ULTIMATE.start_dll_circular_create_#in~len#1|)) (.cse3 (<= |ULTIMATE.start_dll_circular_create_~len#1| 2)) (.cse4 (<= 1 |ULTIMATE.start_dll_circular_create_~len#1|)) (.cse6 (<= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0)) (.cse7 (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)) (.cse8 (<= |ULTIMATE.start_dll_circular_create_#in~data#1| 1)) (.cse10 (<= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)) (.cse15 (<= |ULTIMATE.start_dll_circular_update_at_~index#1| 0)) (.cse16 (= |ULTIMATE.start_main_~data~0#1| 1)) (.cse17 (<= 1 |ULTIMATE.start_dll_circular_create_#in~data#1|)) (.cse18 (= |ULTIMATE.start_main_~len~0#1| 2)) (.cse19 (= |#NULL.offset| 0)) (.cse20 (<= 1 |ULTIMATE.start_dll_circular_create_~data#1|)) (.cse22 (<= |ULTIMATE.start_dll_circular_create_#in~len#1| 2)) (.cse24 (<= |ULTIMATE.start_dll_circular_create_~data#1| 1)) (.cse25 (<= 0 |#StackHeapBarrier|)) (.cse26 (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)) (.cse28 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= |ULTIMATE.start_dll_circular_get_data_at_~index#1| 0) .cse12 .cse13 .cse14 (not (= |ULTIMATE.start_dll_circular_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|)) .cse15 .cse16 .cse17 (= (+ |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_dll_circular_update_at_~data#1|) .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29) (and .cse0 .cse1 (= |ULTIMATE.start_main_~i~0#1| 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 (= |ULTIMATE.start_main_~len~0#1| (select (select |#memory_int| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 8))) .cse26 .cse27 .cse28 .cse29) (and .cse2 .cse3 .cse4 .cse6 .cse7 .cse8 .cse10 .cse15 (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse16 .cse17 .cse18 .cse19 .cse20 .cse22 .cse24 .cse25 .cse26 .cse28))))) [2021-11-25 18:23:26,155 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 643) no Hoare annotation was computed. [2021-11-25 18:23:26,156 INFO L854 garLoopResultBuilder]: At program point L586(line 586) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_circular_create_#in~data#1|) (= 2 (select |#length| 1)) (= |ULTIMATE.start_dll_circular_create_~data#1| |ULTIMATE.start_dll_circular_create_#in~data#1|) (= 2 |ULTIMATE.start_dll_circular_create_~len#1|) (= |ULTIMATE.start_dll_circular_create_#in~len#1| |ULTIMATE.start_dll_circular_create_~len#1|) (= (select |#valid| 1) 1) (= 19 (select |#length| 2)) (= |ULTIMATE.start_main_~data~0#1| 1) (= (select |#valid| 0) 0) (= |ULTIMATE.start_main_~len~0#1| 2) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (= (select .cse0 1) 0) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2021-11-25 18:23:26,156 INFO L858 garLoopResultBuilder]: For program point L586-1(line 586) no Hoare annotation was computed. [2021-11-25 18:23:26,156 INFO L861 garLoopResultBuilder]: At program point L644(lines 626 645) the Hoare annotation is: true [2021-11-25 18:23:26,156 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-25 18:23:26,156 INFO L854 garLoopResultBuilder]: At program point L620-2(lines 620 623) the Hoare annotation is: (let ((.cse30 (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|))) (let ((.cse28 (select .cse30 0)) (.cse34 (= |ULTIMATE.start_main_~len~0#1| (select (select |#memory_int| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 8)))) (.cse31 (= |ULTIMATE.start_main_~data~0#1| 1)) (.cse32 (= |ULTIMATE.start_main_~len~0#1| 2)) (.cse33 (= |#NULL.offset| 0)) (.cse35 (= |#NULL.base| 0)) (.cse37 (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (.cse38 (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (.cse36 (+ |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_main_~i~0#1|))) (let ((.cse8 (= |ULTIMATE.start_dll_circular_update_at_#in~index#1| |ULTIMATE.start_main_~i~0#1|)) (.cse10 (= |ULTIMATE.start_dll_circular_update_at_#in~index#1| |ULTIMATE.start_dll_circular_update_at_~index#1|)) (.cse11 (= .cse36 |ULTIMATE.start_main_~new_data~0#1|)) (.cse12 (= |ULTIMATE.start_dll_circular_update_at_#in~head#1.offset| |ULTIMATE.start_dll_circular_update_at_~head#1.offset|)) (.cse13 (= |ULTIMATE.start_dll_circular_update_at_#in~head#1.base| |ULTIMATE.start_main_~s~0#1.base|)) (.cse15 (let ((.cse47 (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))) (let ((.cse39 (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) |ULTIMATE.start_dll_circular_create_~last~0#1.offset|))) (.cse40 (= (select .cse38 .cse47) |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)) (.cse41 (= |ULTIMATE.start_dll_circular_create_#res#1.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)) (.cse42 (= (select .cse37 .cse47) |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (.cse43 (= |ULTIMATE.start_dll_circular_create_#res#1.base| |ULTIMATE.start_main_~s~0#1.base|)) (.cse44 (= |ULTIMATE.start_dll_circular_create_#res#1.offset| |ULTIMATE.start_main_~s~0#1.offset|)) (.cse45 (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (.cse46 (= |ULTIMATE.start_dll_circular_create_#res#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|))) (or (and .cse39 .cse40 .cse41 .cse42 .cse43 .cse31 .cse44 .cse32 .cse33 .cse45 .cse34 .cse46 .cse35) (and .cse39 .cse40 (= |ULTIMATE.start_main_~i~0#1| 0) .cse41 .cse42 .cse43 .cse31 .cse44 .cse32 .cse33 .cse45 .cse46 .cse35))))) (.cse16 (= |ULTIMATE.start_main_~s~0#1.offset| |ULTIMATE.start_dll_circular_update_at_#in~head#1.offset|)) (.cse19 (<= |ULTIMATE.start_dll_circular_create_~len#1| 1)) (.cse22 (= |ULTIMATE.start_dll_circular_update_at_#in~data#1| |ULTIMATE.start_main_~new_data~0#1|)) (.cse0 (select .cse30 4)) (.cse1 (<= 2 |ULTIMATE.start_dll_circular_create_#in~len#1|)) (.cse2 (<= 1 |ULTIMATE.start_dll_circular_create_~len#1|)) (.cse3 (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)) (.cse4 (<= |ULTIMATE.start_dll_circular_create_#in~data#1| 1)) (.cse25 (= (select .cse38 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) 0)) (.cse5 (<= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)) (.cse6 (= |ULTIMATE.start_dll_circular_create_~last~0#1.base| (select .cse37 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) (.cse26 (not (= .cse28 0))) (.cse17 (= |ULTIMATE.start_dll_circular_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|)) (.cse7 (<= 1 |ULTIMATE.start_dll_circular_create_#in~data#1|)) (.cse9 (= .cse36 |ULTIMATE.start_dll_circular_update_at_~data#1|)) (.cse14 (<= 1 |ULTIMATE.start_dll_circular_create_~data#1|)) (.cse27 (= |ULTIMATE.start_dll_circular_update_at_~data#1| (+ |ULTIMATE.start_main_~len~0#1| 1))) (.cse18 (<= |ULTIMATE.start_dll_circular_create_#in~len#1| 2)) (.cse20 (<= |ULTIMATE.start_dll_circular_create_~data#1| 1)) (.cse21 (<= 0 |#StackHeapBarrier|)) (.cse23 (= |ULTIMATE.start_main_~s~0#1.offset| 0)) (.cse24 (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))) (or (and (not (= 0 .cse0)) .cse1 (= |ULTIMATE.start_dll_circular_update_at_~index#1| 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_update_at_~head#1.base|) |ULTIMATE.start_main_~s~0#1.offset|) 0) .cse24) (and .cse1 .cse2 .cse3 .cse4 .cse25 .cse5 .cse6 .cse26 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse27 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24) (let ((.cse29 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) |ULTIMATE.start_main_~s~0#1.offset|))) (and (= .cse28 .cse0) (not (= |ULTIMATE.start_dll_circular_create_~last~0#1.base| 0)) (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) .cse1 (<= |ULTIMATE.start_dll_circular_create_~len#1| 2) .cse2 (= .cse29 |ULTIMATE.start_dll_circular_update_at_~head#1.offset|) .cse3 .cse4 .cse25 .cse5 .cse6 (= .cse29 0) (= (select .cse30 |ULTIMATE.start_main_~s~0#1.offset|) |ULTIMATE.start_dll_circular_update_at_~head#1.base|) .cse26 (not .cse17) (<= |ULTIMATE.start_dll_circular_update_at_~index#1| 0) .cse31 .cse7 .cse9 .cse32 .cse33 .cse14 .cse27 .cse18 .cse20 .cse21 .cse34 .cse23 .cse35 .cse24)))))) [2021-11-25 18:23:26,157 INFO L858 garLoopResultBuilder]: For program point L637(lines 637 639) no Hoare annotation was computed. [2021-11-25 18:23:26,157 INFO L861 garLoopResultBuilder]: At program point L604-2(lines 604 608) the Hoare annotation is: true [2021-11-25 18:23:26,157 INFO L854 garLoopResultBuilder]: At program point L588-2(lines 588 596) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0)) (.cse1 (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (.cse3 (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (.cse2 (= |ULTIMATE.start_main_~data~0#1| 1)) (.cse4 (= |ULTIMATE.start_main_~len~0#1| 2)) (.cse5 (<= 1 |ULTIMATE.start_dll_circular_create_~data#1|)) (.cse7 (<= |ULTIMATE.start_dll_circular_create_~data#1| 1)) (.cse8 (= |#NULL.base| 0)) (.cse6 (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))) (or (and .cse0 (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= (select .cse1 0) 0) (= |ULTIMATE.start_dll_circular_create_~data#1| |ULTIMATE.start_dll_circular_create_#in~data#1|) (<= |#NULL.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 8) |ULTIMATE.start_dll_circular_create_~data#1|) (< |ULTIMATE.start_dll_circular_create_~head~0#1.base| |#StackHeapBarrier|) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (= (select .cse1 4) 0) (= 2 |ULTIMATE.start_dll_circular_create_~len#1|) (= |ULTIMATE.start_dll_circular_create_#in~len#1| |ULTIMATE.start_dll_circular_create_~len#1|) .cse2 (= (select .cse3 4) 0) .cse4 .cse5 (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| 0)) .cse6 (<= 0 |#NULL.offset|) (= (select .cse3 0) 0) .cse7 (< 0 |#StackHeapBarrier|) .cse8) (and (not (= |ULTIMATE.start_dll_circular_create_~last~0#1.base| 0)) .cse0 (<= 2 |ULTIMATE.start_dll_circular_create_#in~len#1|) (<= 1 |ULTIMATE.start_dll_circular_create_~len#1|) (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (<= |ULTIMATE.start_dll_circular_create_#in~data#1| 1) (= (select .cse1 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) 0) (<= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~last~0#1.base| (select .cse3 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)) .cse2 (<= 1 |ULTIMATE.start_dll_circular_create_#in~data#1|) .cse4 (= |#NULL.offset| 0) .cse5 (<= |ULTIMATE.start_dll_circular_create_#in~len#1| 2) (<= |ULTIMATE.start_dll_circular_create_~len#1| 1) .cse7 (<= 0 |#StackHeapBarrier|) .cse8 (not .cse6)))) [2021-11-25 18:23:26,157 INFO L854 garLoopResultBuilder]: At program point L613-2(lines 613 616) the Hoare annotation is: (let ((.cse42 (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|))) (let ((.cse40 (+ |ULTIMATE.start_main_~len~0#1| 1)) (.cse38 (select .cse42 |ULTIMATE.start_main_~s~0#1.offset|)) (.cse39 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) |ULTIMATE.start_main_~s~0#1.offset|)) (.cse41 (select .cse42 0))) (let ((.cse32 (select |#memory_int| |ULTIMATE.start_dll_circular_get_data_at_~head#1.base|)) (.cse0 (= .cse41 (select .cse42 4))) (.cse1 (not (= |ULTIMATE.start_dll_circular_create_~last~0#1.base| 0))) (.cse3 (<= 2 |ULTIMATE.start_dll_circular_create_#in~len#1|)) (.cse4 (<= |ULTIMATE.start_dll_circular_create_~len#1| 2)) (.cse5 (<= 1 |ULTIMATE.start_dll_circular_create_~len#1|)) (.cse6 (= .cse39 |ULTIMATE.start_dll_circular_update_at_~head#1.offset|)) (.cse7 (<= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0)) (.cse8 (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)) (.cse9 (<= |ULTIMATE.start_dll_circular_create_#in~data#1| 1)) (.cse10 (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) 0)) (.cse11 (<= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)) (.cse12 (= |ULTIMATE.start_dll_circular_create_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) (.cse13 (= .cse39 0)) (.cse14 (= .cse38 |ULTIMATE.start_dll_circular_update_at_~head#1.base|)) (.cse15 (not (= .cse41 0))) (.cse33 (not (= |ULTIMATE.start_dll_circular_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|))) (.cse16 (<= |ULTIMATE.start_dll_circular_update_at_~index#1| 0)) (.cse17 (= |ULTIMATE.start_main_~data~0#1| 1)) (.cse18 (<= 1 |ULTIMATE.start_dll_circular_create_#in~data#1|)) (.cse34 (= (+ |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_dll_circular_update_at_~data#1|)) (.cse19 (= |ULTIMATE.start_main_~len~0#1| 2)) (.cse20 (= |ULTIMATE.start_dll_circular_get_data_at_~head#1.offset| 0)) (.cse21 (= |#NULL.offset| 0)) (.cse22 (<= 1 |ULTIMATE.start_dll_circular_create_~data#1|)) (.cse23 (= |ULTIMATE.start_dll_circular_update_at_~data#1| .cse40)) (.cse24 (<= |ULTIMATE.start_dll_circular_create_#in~len#1| 2)) (.cse25 (= (select (select |#memory_int| .cse38) (+ .cse39 8)) .cse40)) (.cse26 (<= |ULTIMATE.start_dll_circular_create_~data#1| 1)) (.cse27 (<= 0 |#StackHeapBarrier|)) (.cse28 (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)) (.cse29 (= |ULTIMATE.start_main_~s~0#1.offset| 0)) (.cse30 (= |#NULL.base| 0)) (.cse31 (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))) (or (let ((.cse2 (select .cse32 8))) (and .cse0 .cse1 (= |ULTIMATE.start_main_~expected~0#1| .cse2) (= |ULTIMATE.start_main_~i~0#1| 0) .cse3 .cse4 (= 2 .cse2) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 (= |ULTIMATE.start_dll_circular_get_data_at_~index#1| 0) .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 (= |ULTIMATE.start_main_~len~0#1| (select (select |#memory_int| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 8))) .cse28 .cse29 .cse30 .cse31)) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 (<= |ULTIMATE.start_dll_circular_get_data_at_~index#1| 0) .cse13 .cse14 .cse15 .cse33 .cse16 .cse17 .cse18 .cse34 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 (= (select .cse32 (+ 8 |ULTIMATE.start_dll_circular_get_data_at_~head#1.offset|)) |ULTIMATE.start_main_~expected~0#1|) .cse26 .cse27 .cse28 .cse29 (not (= |ULTIMATE.start_dll_circular_get_data_at_~head#1.base| 0)) .cse30 .cse31) (let ((.cse37 (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_get_data_at_~head#1.base|))) (let ((.cse35 (select (select |#memory_int| (select .cse37 |ULTIMATE.start_dll_circular_get_data_at_~head#1.offset|)) 8)) (.cse36 (select .cse37 0))) (and (<= 1 |ULTIMATE.start_dll_circular_get_data_at_~index#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~expected~0#1| .cse35) .cse3 .cse4 (<= |ULTIMATE.start_dll_circular_get_data_at_~index#1| 1) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_get_data_at_~head#1.base|) |ULTIMATE.start_dll_circular_get_data_at_~head#1.offset|)) (not (= .cse36 0)) .cse13 .cse14 .cse15 (<= .cse35 |ULTIMATE.start_main_~expected~0#1|) .cse33 .cse16 .cse17 .cse18 .cse34 .cse19 .cse20 .cse21 .cse22 (not (= |ULTIMATE.start_dll_circular_get_data_at_~head#1.base| .cse36)) (= (select .cse37 4) .cse36) .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31))))))) [2021-11-25 18:23:26,157 INFO L858 garLoopResultBuilder]: For program point L577(lines 577 579) no Hoare annotation was computed. [2021-11-25 18:23:26,157 INFO L861 garLoopResultBuilder]: At program point L573(line 573) the Hoare annotation is: true [2021-11-25 18:23:26,157 INFO L854 garLoopResultBuilder]: At program point node_createENTRY(lines 575 584) the Hoare annotation is: (or (let ((.cse0 (not (= |#NULL.offset| 0))) (.cse1 (not (< 0 |#StackHeapBarrier|))) (.cse2 (not (= |#NULL.base| 0))) (.cse3 (not (= |node_create_#in~data#1| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (forall ((|v_ULTIMATE.start_dll_circular_create_~last~0#1.base_BEFORE_CALL_5| Int)) (let ((.cse4 (select |old(#memory_$Pointer$.offset)| |v_ULTIMATE.start_dll_circular_create_~last~0#1.base_BEFORE_CALL_5|)) (.cse5 (select |old(#memory_$Pointer$.base)| |v_ULTIMATE.start_dll_circular_create_~last~0#1.base_BEFORE_CALL_5|))) (or (not (= (select .cse4 0) 0)) (not (= (select .cse4 4) 0)) (not (= (select |old(#length)| |v_ULTIMATE.start_dll_circular_create_~last~0#1.base_BEFORE_CALL_5|) 12)) (not (= (select .cse5 4) 0)) (not (= (select .cse5 0) 0)) (not (< |v_ULTIMATE.start_dll_circular_create_~last~0#1.base_BEFORE_CALL_5| |#StackHeapBarrier|)) (not (= (select (select |old(#memory_int)| |v_ULTIMATE.start_dll_circular_create_~last~0#1.base_BEFORE_CALL_5|) 8) |node_create_#in~data#1|)) (= |v_ULTIMATE.start_dll_circular_create_~last~0#1.base_BEFORE_CALL_5| 0) (not (= (select |old(#valid)| |v_ULTIMATE.start_dll_circular_create_~last~0#1.base_BEFORE_CALL_5|) 1)))))) (let ((.cse6 (select |old(#memory_int)| 1))) (or (not (= (select |old(#valid)| 2) 1)) (not (= (select |old(#valid)| 1) 1)) .cse0 .cse1 .cse2 .cse3 (not (= (select |old(#length)| 1) 2)) (not (= (select .cse6 0) 48)) (not (= (select |old(#valid)| 0) 0)) (not (= (select .cse6 1) 0)) (not (= 19 (select |old(#length)| 2))))))) (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))) [2021-11-25 18:23:26,158 INFO L858 garLoopResultBuilder]: For program point node_createEXIT(lines 575 584) no Hoare annotation was computed. [2021-11-25 18:23:26,161 INFO L732 BasicCegarLoop]: Path program histogram: [6, 2, 1, 1, 1, 1, 1] [2021-11-25 18:23:26,162 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 18:23:26,177 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,178 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,178 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,179 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,179 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,179 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,181 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,181 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,181 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,182 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,186 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,186 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,186 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,187 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,187 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,188 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,188 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,188 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,188 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,189 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,189 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,189 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,190 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,190 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,190 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,191 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,191 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,191 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,192 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,192 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,204 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,205 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,205 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,206 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,206 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,206 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,207 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,207 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,207 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,208 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,208 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,208 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,209 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,209 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,209 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,209 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,210 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,210 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,210 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,212 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,213 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,213 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,213 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,214 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,214 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,214 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,214 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,215 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,215 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,215 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,219 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,220 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,220 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,221 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,221 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,221 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,221 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,222 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,222 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,222 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,223 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,223 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,223 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,224 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,224 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,224 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,225 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,225 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,225 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,225 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,228 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,228 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,229 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,229 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,229 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,230 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,230 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,230 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,231 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,231 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,231 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,231 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,232 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,232 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,232 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,233 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,233 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,233 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,234 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,234 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,237 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,237 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,237 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,237 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,238 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,238 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,238 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,239 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,239 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,239 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,240 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,240 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,240 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,241 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,241 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,241 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,242 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,242 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,242 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,242 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,243 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,245 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,245 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,246 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,246 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,246 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,246 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,247 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,247 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,247 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,248 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,248 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,248 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,249 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,249 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,249 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,250 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,250 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,250 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,250 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,251 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,251 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,253 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,254 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,254 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,254 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,255 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,255 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,256 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,256 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,256 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,257 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,257 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,257 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,259 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,259 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,259 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,260 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,260 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,260 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,261 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,261 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,265 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,265 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,266 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,266 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,266 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,267 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,267 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,267 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,268 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,268 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,268 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,268 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,269 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,274 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,274 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,274 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,275 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,275 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,275 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,276 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,276 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,276 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,277 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,277 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,277 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,278 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,278 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,278 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,278 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,282 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,283 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,284 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,284 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,284 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,285 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,285 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,285 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,285 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,286 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,286 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,286 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,287 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,287 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,287 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,288 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,288 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,288 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,289 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,289 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,289 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,289 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,290 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,291 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,291 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,291 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,292 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,292 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,292 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,293 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,293 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,293 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,293 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,294 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,294 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,294 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,294 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:23:26 BoogieIcfgContainer [2021-11-25 18:23:26,298 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 18:23:26,299 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 18:23:26,299 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 18:23:26,299 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 18:23:26,300 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:21:26" (3/4) ... [2021-11-25 18:23:26,303 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 18:23:26,309 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure node_create [2021-11-25 18:23:26,317 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2021-11-25 18:23:26,318 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-11-25 18:23:26,319 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-25 18:23:26,319 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-25 18:23:26,344 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((head == 0 && unknown-#length-unknown[head] == 12) && head == last) && #memory_$Pointer$[head][0] == 0) && data == \old(data)) && #NULL <= 0) && unknown-#memory_int-unknown[head][8] == data) && head < unknown-#StackHeapBarrier-unknown) && \valid[head] == 1) && #memory_$Pointer$[head][4] == 0) && 2 == len) && \old(len) == len) && data == 1) && #memory_$Pointer$[head][4] == 0) && len == 2) && 1 <= data) && !(head == 0)) && head == last) && 0 <= #NULL) && #memory_$Pointer$[head][0] == 0) && data <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || (((((((((((((((((((!(last == 0) && head == 0) && 2 <= \old(len)) && 1 <= len) && 0 <= last) && \old(data) <= 1) && #memory_$Pointer$[head][head] == 0) && last <= 0) && last == #memory_$Pointer$[head][head]) && data == 1) && 1 <= \old(data)) && len == 2) && #NULL == 0) && 1 <= data) && \old(len) <= 2) && len <= 1) && data <= 1) && 0 <= unknown-#StackHeapBarrier-unknown) && #NULL == 0) && !(head == last)) [2021-11-25 18:23:26,346 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(0 == #memory_$Pointer$[s][4]) && last == #memory_$Pointer$[head][head]) && #memory_$Pointer$[s][s] == 0) && len == 2) && data <= 1) && 0 <= unknown-#StackHeapBarrier-unknown) && (((((((((((((((((((((head == #memory_$Pointer$[last][last] && #memory_$Pointer$[head][head + 4] == last) && i == 0) && 2 <= \old(len)) && 1 <= len) && 0 <= last) && \old(data) <= 1) && last <= 0) && \result == head) && #memory_$Pointer$[head][head + 4] == last) && \result == s) && data == 1) && 1 <= \old(data)) && \result == s) && #NULL == 0) && 1 <= data) && #memory_$Pointer$[last][last] == head) && \old(len) <= 2) && len <= 1) && \result == head) && #NULL == 0) || ((((((((((((((((((((((((((((((\old(data) == data && head == #memory_$Pointer$[last][last]) && #memory_$Pointer$[head][head + 4] == last) && 2 <= \old(len)) && 1 <= len) && 0 <= last) && \old(data) <= 1) && last <= 0) && \result == head) && i == 1) && unknown-#memory_int-unknown[head][8 + head] == data) && #memory_$Pointer$[head][head + 4] == last) && \result == s) && len == new_data) && data == 1) && 1 <= \old(data)) && \result == s) && \old(index) == index) && head == head) && \old(index) == 0) && head == head) && head == s) && #NULL == 0) && 1 <= data) && s == head) && #memory_$Pointer$[last][last] == head) && \old(len) <= 2) && len <= 1) && \result == head) && \old(data) == new_data) && #NULL == 0))) && s == 0) && !(head == last)) || ((((((((((((((((((((((((((((((#memory_$Pointer$[s][0] == #memory_$Pointer$[s][4] && !(last == 0)) && head == 0) && 2 <= \old(len)) && len <= 2) && 1 <= len) && #memory_$Pointer$[s][s] == head) && 0 <= last) && \old(data) <= 1) && #memory_$Pointer$[head][head] == 0) && last <= 0) && last == #memory_$Pointer$[head][head]) && #memory_$Pointer$[s][s] == 0) && #memory_$Pointer$[s][s] == head) && !(#memory_$Pointer$[s][0] == 0)) && index <= 0) && 2 <= i) && data == 1) && 1 <= \old(data)) && len == 2) && #NULL == 0) && 1 <= data) && data == len + 1) && \old(len) <= 2) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 8] == len + 1) && data <= 1) && 0 <= unknown-#StackHeapBarrier-unknown) && len == unknown-#memory_int-unknown[s][s + 8]) && s == 0) && #NULL == 0) && !(head == last)) [2021-11-25 18:23:26,346 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((((((((#memory_$Pointer$[s][0] == #memory_$Pointer$[s][4] && !(last == 0)) && 2 <= \old(len)) && len <= 2) && 1 <= len) && #memory_$Pointer$[s][s] == head) && head <= 0) && 0 <= last) && \old(data) <= 1) && #memory_$Pointer$[head][head] == 0) && last <= 0) && last == #memory_$Pointer$[head][head]) && index <= 0) && #memory_$Pointer$[s][s] == 0) && #memory_$Pointer$[s][s] == head) && !(#memory_$Pointer$[s][0] == 0)) && !(head == s)) && index <= 0) && data == 1) && 1 <= \old(data)) && len + i == data) && len == 2) && #NULL == 0) && 1 <= data) && data == len + 1) && \old(len) <= 2) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 8] == len + 1) && data <= 1) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= head) && s == 0) && #NULL == 0) && !(head == last)) || (((((((((((((((((((((((((((((((#memory_$Pointer$[s][0] == #memory_$Pointer$[s][4] && !(last == 0)) && i == 0) && 2 <= \old(len)) && len <= 2) && 1 <= len) && #memory_$Pointer$[s][s] == head) && head <= 0) && 0 <= last) && \old(data) <= 1) && #memory_$Pointer$[head][head] == 0) && last <= 0) && last == #memory_$Pointer$[head][head]) && #memory_$Pointer$[s][s] == 0) && #memory_$Pointer$[s][s] == head) && !(#memory_$Pointer$[s][0] == 0)) && index <= 0) && data == 1) && 1 <= \old(data)) && len == 2) && #NULL == 0) && 1 <= data) && data == len + 1) && \old(len) <= 2) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 8] == len + 1) && data <= 1) && 0 <= unknown-#StackHeapBarrier-unknown) && len == unknown-#memory_int-unknown[s][s + 8]) && 0 <= head) && s == 0) && #NULL == 0) && !(head == last))) || ((((((((((((((((((2 <= \old(len) && len <= 2) && 1 <= len) && head <= 0) && 0 <= last) && \old(data) <= 1) && last <= 0) && index <= 0) && 2 <= i) && data == 1) && 1 <= \old(data)) && len == 2) && #NULL == 0) && 1 <= data) && \old(len) <= 2) && data <= 1) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= head) && #NULL == 0) [2021-11-25 18:23:26,347 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((!(0 == #memory_$Pointer$[s][4]) && 2 <= \old(len)) && index == 0) && 1 <= len) && 0 <= last) && \old(data) <= 1) && last <= 0) && last == #memory_$Pointer$[head][head]) && 1 <= \old(data)) && \old(index) == i) && len + i == data) && \old(index) == index) && len + i == new_data) && head == head) && head == s) && 1 <= data) && (((((((((((((head == #memory_$Pointer$[last][last] && #memory_$Pointer$[head][head + 4] == last) && \result == head) && #memory_$Pointer$[head][head + 4] == last) && \result == s) && data == 1) && \result == s) && len == 2) && #NULL == 0) && #memory_$Pointer$[last][last] == head) && len == unknown-#memory_int-unknown[s][s + 8]) && \result == head) && #NULL == 0) || ((((((((((((head == #memory_$Pointer$[last][last] && #memory_$Pointer$[head][head + 4] == last) && i == 0) && \result == head) && #memory_$Pointer$[head][head + 4] == last) && \result == s) && data == 1) && \result == s) && len == 2) && #NULL == 0) && #memory_$Pointer$[last][last] == head) && \result == head) && #NULL == 0))) && s == head) && head == s) && \old(len) <= 2) && len <= 1) && data <= 1) && 0 <= unknown-#StackHeapBarrier-unknown) && \old(data) == new_data) && s == 0) && #memory_$Pointer$[head][s] == 0) && !(head == last)) || ((((((((((((((((((((((((((2 <= \old(len) && 1 <= len) && 0 <= last) && \old(data) <= 1) && #memory_$Pointer$[head][head] == 0) && last <= 0) && last == #memory_$Pointer$[head][head]) && !(#memory_$Pointer$[s][0] == 0)) && 1 <= \old(data)) && \old(index) == i) && len + i == data) && \old(index) == index) && len + i == new_data) && head == head) && head == s) && 1 <= data) && (((((((((((((head == #memory_$Pointer$[last][last] && #memory_$Pointer$[head][head + 4] == last) && \result == head) && #memory_$Pointer$[head][head + 4] == last) && \result == s) && data == 1) && \result == s) && len == 2) && #NULL == 0) && #memory_$Pointer$[last][last] == head) && len == unknown-#memory_int-unknown[s][s + 8]) && \result == head) && #NULL == 0) || ((((((((((((head == #memory_$Pointer$[last][last] && #memory_$Pointer$[head][head + 4] == last) && i == 0) && \result == head) && #memory_$Pointer$[head][head + 4] == last) && \result == s) && data == 1) && \result == s) && len == 2) && #NULL == 0) && #memory_$Pointer$[last][last] == head) && \result == head) && #NULL == 0))) && s == head) && head == s) && data == len + 1) && \old(len) <= 2) && len <= 1) && data <= 1) && 0 <= unknown-#StackHeapBarrier-unknown) && \old(data) == new_data) && s == 0) && !(head == last))) || ((((((((((((((((((((((((((((((#memory_$Pointer$[s][0] == #memory_$Pointer$[s][4] && !(last == 0)) && head == 0) && 2 <= \old(len)) && len <= 2) && 1 <= len) && #memory_$Pointer$[s][s] == head) && 0 <= last) && \old(data) <= 1) && #memory_$Pointer$[head][head] == 0) && last <= 0) && last == #memory_$Pointer$[head][head]) && #memory_$Pointer$[s][s] == 0) && #memory_$Pointer$[s][s] == head) && !(#memory_$Pointer$[s][0] == 0)) && !(head == s)) && index <= 0) && data == 1) && 1 <= \old(data)) && len + i == data) && len == 2) && #NULL == 0) && 1 <= data) && data == len + 1) && \old(len) <= 2) && data <= 1) && 0 <= unknown-#StackHeapBarrier-unknown) && len == unknown-#memory_int-unknown[s][s + 8]) && s == 0) && #NULL == 0) && !(head == last)) [2021-11-25 18:23:26,347 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((((((((#memory_$Pointer$[s][0] == #memory_$Pointer$[s][4] && !(last == 0)) && expected == unknown-#memory_int-unknown[head][8]) && i == 0) && 2 <= \old(len)) && len <= 2) && 2 == unknown-#memory_int-unknown[head][8]) && 1 <= len) && #memory_$Pointer$[s][s] == head) && head <= 0) && 0 <= last) && \old(data) <= 1) && #memory_$Pointer$[head][head] == 0) && last <= 0) && last == #memory_$Pointer$[head][head]) && index == 0) && #memory_$Pointer$[s][s] == 0) && #memory_$Pointer$[s][s] == head) && !(#memory_$Pointer$[s][0] == 0)) && index <= 0) && data == 1) && 1 <= \old(data)) && len == 2) && head == 0) && #NULL == 0) && 1 <= data) && data == len + 1) && \old(len) <= 2) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 8] == len + 1) && data <= 1) && 0 <= unknown-#StackHeapBarrier-unknown) && len == unknown-#memory_int-unknown[s][s + 8]) && 0 <= head) && s == 0) && #NULL == 0) && !(head == last)) || (((((((((((((((((((((((((((((((((((#memory_$Pointer$[s][0] == #memory_$Pointer$[s][4] && !(last == 0)) && 2 <= \old(len)) && len <= 2) && 1 <= len) && #memory_$Pointer$[s][s] == head) && head <= 0) && 0 <= last) && \old(data) <= 1) && #memory_$Pointer$[head][head] == 0) && last <= 0) && last == #memory_$Pointer$[head][head]) && index <= 0) && #memory_$Pointer$[s][s] == 0) && #memory_$Pointer$[s][s] == head) && !(#memory_$Pointer$[s][0] == 0)) && !(head == s)) && index <= 0) && data == 1) && 1 <= \old(data)) && len + i == data) && len == 2) && head == 0) && #NULL == 0) && 1 <= data) && data == len + 1) && \old(len) <= 2) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 8] == len + 1) && unknown-#memory_int-unknown[head][8 + head] == expected) && data <= 1) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= head) && s == 0) && !(head == 0)) && #NULL == 0) && !(head == last))) || ((((((((((((((((((((((((((((((((((((((((1 <= index && #memory_$Pointer$[s][0] == #memory_$Pointer$[s][4]) && !(last == 0)) && expected <= unknown-#memory_int-unknown[#memory_$Pointer$[head][head]][8]) && 2 <= \old(len)) && len <= 2) && index <= 1) && 1 <= len) && #memory_$Pointer$[s][s] == head) && head <= 0) && 0 <= last) && \old(data) <= 1) && #memory_$Pointer$[head][head] == 0) && last <= 0) && last == #memory_$Pointer$[head][head]) && 0 == #memory_$Pointer$[head][head]) && !(#memory_$Pointer$[head][0] == 0)) && #memory_$Pointer$[s][s] == 0) && #memory_$Pointer$[s][s] == head) && !(#memory_$Pointer$[s][0] == 0)) && unknown-#memory_int-unknown[#memory_$Pointer$[head][head]][8] <= expected) && !(head == s)) && index <= 0) && data == 1) && 1 <= \old(data)) && len + i == data) && len == 2) && head == 0) && #NULL == 0) && 1 <= data) && !(head == #memory_$Pointer$[head][0])) && #memory_$Pointer$[head][4] == #memory_$Pointer$[head][0]) && data == len + 1) && \old(len) <= 2) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 8] == len + 1) && data <= 1) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= head) && s == 0) && #NULL == 0) && !(head == last)) [2021-11-25 18:23:26,378 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/witness.graphml [2021-11-25 18:23:26,378 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 18:23:26,379 INFO L158 Benchmark]: Toolchain (without parser) took 121641.05ms. Allocated memory was 83.9MB in the beginning and 186.6MB in the end (delta: 102.8MB). Free memory was 46.1MB in the beginning and 50.5MB in the end (delta: -4.4MB). Peak memory consumption was 97.9MB. Max. memory is 16.1GB. [2021-11-25 18:23:26,379 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory was 63.6MB in the beginning and 63.5MB in the end (delta: 45.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 18:23:26,380 INFO L158 Benchmark]: CACSL2BoogieTranslator took 568.46ms. Allocated memory was 83.9MB in the beginning and 125.8MB in the end (delta: 41.9MB). Free memory was 45.9MB in the beginning and 94.1MB in the end (delta: -48.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-25 18:23:26,380 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.43ms. Allocated memory is still 125.8MB. Free memory was 94.1MB in the beginning and 92.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 18:23:26,381 INFO L158 Benchmark]: Boogie Preprocessor took 66.61ms. Allocated memory is still 125.8MB. Free memory was 92.0MB in the beginning and 90.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 18:23:26,381 INFO L158 Benchmark]: RCFGBuilder took 739.32ms. Allocated memory is still 125.8MB. Free memory was 90.4MB in the beginning and 73.2MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-25 18:23:26,381 INFO L158 Benchmark]: TraceAbstraction took 120099.78ms. Allocated memory was 125.8MB in the beginning and 186.6MB in the end (delta: 60.8MB). Free memory was 72.7MB in the beginning and 54.8MB in the end (delta: 18.0MB). Peak memory consumption was 90.0MB. Max. memory is 16.1GB. [2021-11-25 18:23:26,382 INFO L158 Benchmark]: Witness Printer took 79.51ms. Allocated memory is still 186.6MB. Free memory was 54.8MB in the beginning and 50.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-25 18:23:26,395 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory was 63.6MB in the beginning and 63.5MB in the end (delta: 45.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 568.46ms. Allocated memory was 83.9MB in the beginning and 125.8MB in the end (delta: 41.9MB). Free memory was 45.9MB in the beginning and 94.1MB in the end (delta: -48.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.43ms. Allocated memory is still 125.8MB. Free memory was 94.1MB in the beginning and 92.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.61ms. Allocated memory is still 125.8MB. Free memory was 92.0MB in the beginning and 90.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 739.32ms. Allocated memory is still 125.8MB. Free memory was 90.4MB in the beginning and 73.2MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 120099.78ms. Allocated memory was 125.8MB in the beginning and 186.6MB in the end (delta: 60.8MB). Free memory was 72.7MB in the beginning and 54.8MB in the end (delta: 18.0MB). Peak memory consumption was 90.0MB. Max. memory is 16.1GB. * Witness Printer took 79.51ms. Allocated memory is still 186.6MB. Free memory was 54.8MB in the beginning and 50.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 643]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 119.9s, OverallIterations: 13, TraceHistogramMax: 3, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 328 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 325 mSDsluCounter, 783 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 53 IncrementalHoareTripleChecker+Unchecked, 745 mSDsCounter, 149 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1600 IncrementalHoareTripleChecker+Invalid, 1802 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 149 mSolverCounterUnsat, 140 mSDtfsCounter, 1600 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 678 GetRequests, 403 SyntacticMatches, 7 SemanticMatches, 268 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 2378 ImplicationChecksByTransitivity, 87.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=7, InterpolantAutomatonStates: 107, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 60 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 16 PreInvPairs, 33 NumberOfFragments, 2419 HoareAnnotationTreeSize, 16 FomulaSimplifications, 1120 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 12 FomulaSimplificationsInter, 8100 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 8.9s InterpolantComputationTime, 533 NumberOfCodeBlocks, 525 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 629 ConstructedInterpolants, 0 QuantifiedInterpolants, 2793 SizeOfPredicates, 85 NumberOfNonLiveVariables, 3298 ConjunctsInSsa, 249 ConjunctsInUnsatCore, 27 InterpolantComputations, 6 PerfectInterpolantSequences, 278/356 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: 3.7s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 14, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 17, TOOLS_POST_TIME: 1.2s, TOOLS_POST_CALL_APPLICATIONS: 8, TOOLS_POST_CALL_TIME: 1.4s, TOOLS_POST_RETURN_APPLICATIONS: 6, TOOLS_POST_RETURN_TIME: 0.8s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 31, TOOLS_QUANTIFIERELIM_TIME: 3.4s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.4s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 49, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 8, DOMAIN_JOIN_TIME: 0.2s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 14, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME: 1.6s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 1.6s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 6, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME: 0.2s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.2s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 220, DAG_COMPRESSION_RETAINED_NODES: 54, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 620]: Loop Invariant [2021-11-25 18:23:26,432 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,432 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,432 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,432 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,433 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,446 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,446 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,446 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,447 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,447 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,447 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,448 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,448 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,448 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,450 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,450 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,451 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,451 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,451 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,451 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,452 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,452 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,483 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,483 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,484 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,484 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,484 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,485 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,486 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,486 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,489 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,489 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,489 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,490 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,490 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,491 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,491 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,493 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,493 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,493 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,494 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,494 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,494 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,494 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,495 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,495 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,495 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,496 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,496 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,496 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,496 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,497 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,497 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,497 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,498 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,498 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,498 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,501 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,501 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,501 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: (((((((((((((((((((((((((((!(0 == #memory_$Pointer$[s][4]) && 2 <= \old(len)) && index == 0) && 1 <= len) && 0 <= last) && \old(data) <= 1) && last <= 0) && last == #memory_$Pointer$[head][head]) && 1 <= \old(data)) && \old(index) == i) && len + i == data) && \old(index) == index) && len + i == new_data) && head == head) && head == s) && 1 <= data) && (((((((((((((head == #memory_$Pointer$[last][last] && #memory_$Pointer$[head][head + 4] == last) && \result == head) && #memory_$Pointer$[head][head + 4] == last) && \result == s) && data == 1) && \result == s) && len == 2) && #NULL == 0) && #memory_$Pointer$[last][last] == head) && len == unknown-#memory_int-unknown[s][s + 8]) && \result == head) && #NULL == 0) || ((((((((((((head == #memory_$Pointer$[last][last] && #memory_$Pointer$[head][head + 4] == last) && i == 0) && \result == head) && #memory_$Pointer$[head][head + 4] == last) && \result == s) && data == 1) && \result == s) && len == 2) && #NULL == 0) && #memory_$Pointer$[last][last] == head) && \result == head) && #NULL == 0))) && s == head) && head == s) && \old(len) <= 2) && len <= 1) && data <= 1) && 0 <= unknown-#StackHeapBarrier-unknown) && \old(data) == new_data) && s == 0) && #memory_$Pointer$[head][s] == 0) && !(head == last)) || ((((((((((((((((((((((((((2 <= \old(len) && 1 <= len) && 0 <= last) && \old(data) <= 1) && #memory_$Pointer$[head][head] == 0) && last <= 0) && last == #memory_$Pointer$[head][head]) && !(#memory_$Pointer$[s][0] == 0)) && 1 <= \old(data)) && \old(index) == i) && len + i == data) && \old(index) == index) && len + i == new_data) && head == head) && head == s) && 1 <= data) && (((((((((((((head == #memory_$Pointer$[last][last] && #memory_$Pointer$[head][head + 4] == last) && \result == head) && #memory_$Pointer$[head][head + 4] == last) && \result == s) && data == 1) && \result == s) && len == 2) && #NULL == 0) && #memory_$Pointer$[last][last] == head) && len == unknown-#memory_int-unknown[s][s + 8]) && \result == head) && #NULL == 0) || ((((((((((((head == #memory_$Pointer$[last][last] && #memory_$Pointer$[head][head + 4] == last) && i == 0) && \result == head) && #memory_$Pointer$[head][head + 4] == last) && \result == s) && data == 1) && \result == s) && len == 2) && #NULL == 0) && #memory_$Pointer$[last][last] == head) && \result == head) && #NULL == 0))) && s == head) && head == s) && data == len + 1) && \old(len) <= 2) && len <= 1) && data <= 1) && 0 <= unknown-#StackHeapBarrier-unknown) && \old(data) == new_data) && s == 0) && !(head == last))) || ((((((((((((((((((((((((((((((#memory_$Pointer$[s][0] == #memory_$Pointer$[s][4] && !(last == 0)) && head == 0) && 2 <= \old(len)) && len <= 2) && 1 <= len) && #memory_$Pointer$[s][s] == head) && 0 <= last) && \old(data) <= 1) && #memory_$Pointer$[head][head] == 0) && last <= 0) && last == #memory_$Pointer$[head][head]) && #memory_$Pointer$[s][s] == 0) && #memory_$Pointer$[s][s] == head) && !(#memory_$Pointer$[s][0] == 0)) && !(head == s)) && index <= 0) && data == 1) && 1 <= \old(data)) && len + i == data) && len == 2) && #NULL == 0) && 1 <= data) && data == len + 1) && \old(len) <= 2) && data <= 1) && 0 <= unknown-#StackHeapBarrier-unknown) && len == unknown-#memory_int-unknown[s][s + 8]) && s == 0) && #NULL == 0) && !(head == last)) - InvariantResult [Line: 635]: Loop Invariant [2021-11-25 18:23:26,504 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,504 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,504 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,505 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,505 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,505 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,506 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,506 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,506 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,506 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,507 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,507 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,507 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,508 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,508 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,509 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,509 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,509 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,510 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,510 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,511 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,511 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,512 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,512 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,512 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,513 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,513 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,513 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,514 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,515 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,515 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,515 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,515 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,516 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,516 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,516 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,517 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,517 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,517 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,517 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: (((((((((((((((((((((((((((((((((#memory_$Pointer$[s][0] == #memory_$Pointer$[s][4] && !(last == 0)) && 2 <= \old(len)) && len <= 2) && 1 <= len) && #memory_$Pointer$[s][s] == head) && head <= 0) && 0 <= last) && \old(data) <= 1) && #memory_$Pointer$[head][head] == 0) && last <= 0) && last == #memory_$Pointer$[head][head]) && index <= 0) && #memory_$Pointer$[s][s] == 0) && #memory_$Pointer$[s][s] == head) && !(#memory_$Pointer$[s][0] == 0)) && !(head == s)) && index <= 0) && data == 1) && 1 <= \old(data)) && len + i == data) && len == 2) && #NULL == 0) && 1 <= data) && data == len + 1) && \old(len) <= 2) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 8] == len + 1) && data <= 1) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= head) && s == 0) && #NULL == 0) && !(head == last)) || (((((((((((((((((((((((((((((((#memory_$Pointer$[s][0] == #memory_$Pointer$[s][4] && !(last == 0)) && i == 0) && 2 <= \old(len)) && len <= 2) && 1 <= len) && #memory_$Pointer$[s][s] == head) && head <= 0) && 0 <= last) && \old(data) <= 1) && #memory_$Pointer$[head][head] == 0) && last <= 0) && last == #memory_$Pointer$[head][head]) && #memory_$Pointer$[s][s] == 0) && #memory_$Pointer$[s][s] == head) && !(#memory_$Pointer$[s][0] == 0)) && index <= 0) && data == 1) && 1 <= \old(data)) && len == 2) && #NULL == 0) && 1 <= data) && data == len + 1) && \old(len) <= 2) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 8] == len + 1) && data <= 1) && 0 <= unknown-#StackHeapBarrier-unknown) && len == unknown-#memory_int-unknown[s][s + 8]) && 0 <= head) && s == 0) && #NULL == 0) && !(head == last))) || ((((((((((((((((((2 <= \old(len) && len <= 2) && 1 <= len) && head <= 0) && 0 <= last) && \old(data) <= 1) && last <= 0) && index <= 0) && 2 <= i) && data == 1) && 1 <= \old(data)) && len == 2) && #NULL == 0) && 1 <= data) && \old(len) <= 2) && data <= 1) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= head) && #NULL == 0) - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 631]: Loop Invariant [2021-11-25 18:23:26,519 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,519 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,520 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,520 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,520 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,520 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,521 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,521 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,521 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,522 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,522 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,522 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,522 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,523 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,523 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,523 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,524 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,524 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,524 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,524 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,525 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,526 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,526 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,527 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,527 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,527 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,527 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,528 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,528 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,528 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,529 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,529 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,529 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,529 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,530 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,530 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,530 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,531 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,531 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,531 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,532 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,532 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: ((((((((!(0 == #memory_$Pointer$[s][4]) && last == #memory_$Pointer$[head][head]) && #memory_$Pointer$[s][s] == 0) && len == 2) && data <= 1) && 0 <= unknown-#StackHeapBarrier-unknown) && (((((((((((((((((((((head == #memory_$Pointer$[last][last] && #memory_$Pointer$[head][head + 4] == last) && i == 0) && 2 <= \old(len)) && 1 <= len) && 0 <= last) && \old(data) <= 1) && last <= 0) && \result == head) && #memory_$Pointer$[head][head + 4] == last) && \result == s) && data == 1) && 1 <= \old(data)) && \result == s) && #NULL == 0) && 1 <= data) && #memory_$Pointer$[last][last] == head) && \old(len) <= 2) && len <= 1) && \result == head) && #NULL == 0) || ((((((((((((((((((((((((((((((\old(data) == data && head == #memory_$Pointer$[last][last]) && #memory_$Pointer$[head][head + 4] == last) && 2 <= \old(len)) && 1 <= len) && 0 <= last) && \old(data) <= 1) && last <= 0) && \result == head) && i == 1) && unknown-#memory_int-unknown[head][8 + head] == data) && #memory_$Pointer$[head][head + 4] == last) && \result == s) && len == new_data) && data == 1) && 1 <= \old(data)) && \result == s) && \old(index) == index) && head == head) && \old(index) == 0) && head == head) && head == s) && #NULL == 0) && 1 <= data) && s == head) && #memory_$Pointer$[last][last] == head) && \old(len) <= 2) && len <= 1) && \result == head) && \old(data) == new_data) && #NULL == 0))) && s == 0) && !(head == last)) || ((((((((((((((((((((((((((((((#memory_$Pointer$[s][0] == #memory_$Pointer$[s][4] && !(last == 0)) && head == 0) && 2 <= \old(len)) && len <= 2) && 1 <= len) && #memory_$Pointer$[s][s] == head) && 0 <= last) && \old(data) <= 1) && #memory_$Pointer$[head][head] == 0) && last <= 0) && last == #memory_$Pointer$[head][head]) && #memory_$Pointer$[s][s] == 0) && #memory_$Pointer$[s][s] == head) && !(#memory_$Pointer$[s][0] == 0)) && index <= 0) && 2 <= i) && data == 1) && 1 <= \old(data)) && len == 2) && #NULL == 0) && 1 <= data) && data == len + 1) && \old(len) <= 2) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 8] == len + 1) && data <= 1) && 0 <= unknown-#StackHeapBarrier-unknown) && len == unknown-#memory_int-unknown[s][s + 8]) && s == 0) && #NULL == 0) && !(head == last)) - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 588]: Loop Invariant [2021-11-25 18:23:26,534 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,534 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,535 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,535 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,535 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,535 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,536 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,536 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,537 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,537 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,537 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,537 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: ((((((((((((((((((((((head == 0 && unknown-#length-unknown[head] == 12) && head == last) && #memory_$Pointer$[head][0] == 0) && data == \old(data)) && #NULL <= 0) && unknown-#memory_int-unknown[head][8] == data) && head < unknown-#StackHeapBarrier-unknown) && \valid[head] == 1) && #memory_$Pointer$[head][4] == 0) && 2 == len) && \old(len) == len) && data == 1) && #memory_$Pointer$[head][4] == 0) && len == 2) && 1 <= data) && !(head == 0)) && head == last) && 0 <= #NULL) && #memory_$Pointer$[head][0] == 0) && data <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || (((((((((((((((((((!(last == 0) && head == 0) && 2 <= \old(len)) && 1 <= len) && 0 <= last) && \old(data) <= 1) && #memory_$Pointer$[head][head] == 0) && last <= 0) && last == #memory_$Pointer$[head][head]) && data == 1) && 1 <= \old(data)) && len == 2) && #NULL == 0) && 1 <= data) && \old(len) <= 2) && len <= 1) && data <= 1) && 0 <= unknown-#StackHeapBarrier-unknown) && #NULL == 0) && !(head == last)) - InvariantResult [Line: 613]: Loop Invariant [2021-11-25 18:23:26,538 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,539 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,539 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,539 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,540 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,540 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,540 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,541 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,541 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,541 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,541 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,542 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,542 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,542 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,543 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,543 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,543 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,544 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,544 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,544 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,544 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,545 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,545 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,545 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,546 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,546 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,546 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,547 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,547 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,547 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,547 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,548 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,548 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,548 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,548 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,549 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,549 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,551 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,551 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,551 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,552 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,552 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,552 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,552 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,553 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,553 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,553 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,553 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,554 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,554 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,554 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,555 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,555 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,555 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,556 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,556 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,556 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,556 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,557 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,557 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,557 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,558 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,558 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,558 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,558 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,559 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-25 18:23:26,559 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,559 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,560 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,560 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,560 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,560 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,560 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-25 18:23:26,561 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: ((((((((((((((((((((((((((((((((((((#memory_$Pointer$[s][0] == #memory_$Pointer$[s][4] && !(last == 0)) && expected == unknown-#memory_int-unknown[head][8]) && i == 0) && 2 <= \old(len)) && len <= 2) && 2 == unknown-#memory_int-unknown[head][8]) && 1 <= len) && #memory_$Pointer$[s][s] == head) && head <= 0) && 0 <= last) && \old(data) <= 1) && #memory_$Pointer$[head][head] == 0) && last <= 0) && last == #memory_$Pointer$[head][head]) && index == 0) && #memory_$Pointer$[s][s] == 0) && #memory_$Pointer$[s][s] == head) && !(#memory_$Pointer$[s][0] == 0)) && index <= 0) && data == 1) && 1 <= \old(data)) && len == 2) && head == 0) && #NULL == 0) && 1 <= data) && data == len + 1) && \old(len) <= 2) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 8] == len + 1) && data <= 1) && 0 <= unknown-#StackHeapBarrier-unknown) && len == unknown-#memory_int-unknown[s][s + 8]) && 0 <= head) && s == 0) && #NULL == 0) && !(head == last)) || (((((((((((((((((((((((((((((((((((#memory_$Pointer$[s][0] == #memory_$Pointer$[s][4] && !(last == 0)) && 2 <= \old(len)) && len <= 2) && 1 <= len) && #memory_$Pointer$[s][s] == head) && head <= 0) && 0 <= last) && \old(data) <= 1) && #memory_$Pointer$[head][head] == 0) && last <= 0) && last == #memory_$Pointer$[head][head]) && index <= 0) && #memory_$Pointer$[s][s] == 0) && #memory_$Pointer$[s][s] == head) && !(#memory_$Pointer$[s][0] == 0)) && !(head == s)) && index <= 0) && data == 1) && 1 <= \old(data)) && len + i == data) && len == 2) && head == 0) && #NULL == 0) && 1 <= data) && data == len + 1) && \old(len) <= 2) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 8] == len + 1) && unknown-#memory_int-unknown[head][8 + head] == expected) && data <= 1) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= head) && s == 0) && !(head == 0)) && #NULL == 0) && !(head == last))) || ((((((((((((((((((((((((((((((((((((((((1 <= index && #memory_$Pointer$[s][0] == #memory_$Pointer$[s][4]) && !(last == 0)) && expected <= unknown-#memory_int-unknown[#memory_$Pointer$[head][head]][8]) && 2 <= \old(len)) && len <= 2) && index <= 1) && 1 <= len) && #memory_$Pointer$[s][s] == head) && head <= 0) && 0 <= last) && \old(data) <= 1) && #memory_$Pointer$[head][head] == 0) && last <= 0) && last == #memory_$Pointer$[head][head]) && 0 == #memory_$Pointer$[head][head]) && !(#memory_$Pointer$[head][0] == 0)) && #memory_$Pointer$[s][s] == 0) && #memory_$Pointer$[s][s] == head) && !(#memory_$Pointer$[s][0] == 0)) && unknown-#memory_int-unknown[#memory_$Pointer$[head][head]][8] <= expected) && !(head == s)) && index <= 0) && data == 1) && 1 <= \old(data)) && len + i == data) && len == 2) && head == 0) && #NULL == 0) && 1 <= data) && !(head == #memory_$Pointer$[head][0])) && #memory_$Pointer$[head][4] == #memory_$Pointer$[head][0]) && data == len + 1) && \old(len) <= 2) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 8] == len + 1) && data <= 1) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= head) && s == 0) && #NULL == 0) && !(head == last)) - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-25 18:23:26,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221db379-1a50-4ed4-b0bf-f43a9c058795/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE