./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dd9e7bf35989cde866740706d77fd71a632fd664 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 18:07:53,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 18:07:53,312 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 18:07:53,324 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 18:07:53,325 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 18:07:53,326 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 18:07:53,328 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 18:07:53,330 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 18:07:53,332 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 18:07:53,333 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 18:07:53,334 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 18:07:53,336 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 18:07:53,336 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 18:07:53,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 18:07:53,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 18:07:53,344 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 18:07:53,345 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 18:07:53,349 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 18:07:53,352 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 18:07:53,355 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 18:07:53,360 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 18:07:53,364 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 18:07:53,365 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 18:07:53,369 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 18:07:53,374 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 18:07:53,374 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 18:07:53,375 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 18:07:53,376 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 18:07:53,377 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 18:07:53,378 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 18:07:53,379 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 18:07:53,380 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 18:07:53,382 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 18:07:53,383 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 18:07:53,384 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 18:07:53,385 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 18:07:53,386 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 18:07:53,386 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 18:07:53,387 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 18:07:53,388 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 18:07:53,389 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 18:07:53,390 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 18:07:53,422 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 18:07:53,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 18:07:53,425 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 18:07:53,426 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 18:07:53,426 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 18:07:53,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 18:07:53,427 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 18:07:53,427 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 18:07:53,427 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 18:07:53,428 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 18:07:53,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 18:07:53,429 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 18:07:53,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 18:07:53,430 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 18:07:53,430 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 18:07:53,430 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 18:07:53,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 18:07:53,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 18:07:53,431 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 18:07:53,432 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 18:07:53,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 18:07:53,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:07:53,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 18:07:53,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 18:07:53,433 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 18:07:53,433 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 18:07:53,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 18:07:53,434 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 18:07:53,434 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 18:07:53,434 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer 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 -> dd9e7bf35989cde866740706d77fd71a632fd664 [2020-07-28 18:07:53,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 18:07:53,827 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 18:07:53,832 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 18:07:53,833 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 18:07:53,835 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 18:07:53,836 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i [2020-07-28 18:07:53,910 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6c9264ad/baac6f25074146029520340a73ed9492/FLAG0bc2bde5e [2020-07-28 18:07:54,375 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 18:07:54,376 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i [2020-07-28 18:07:54,392 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6c9264ad/baac6f25074146029520340a73ed9492/FLAG0bc2bde5e [2020-07-28 18:07:54,732 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6c9264ad/baac6f25074146029520340a73ed9492 [2020-07-28 18:07:54,736 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 18:07:54,739 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 18:07:54,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 18:07:54,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 18:07:54,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 18:07:54,748 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:07:54" (1/1) ... [2020-07-28 18:07:54,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b00d6d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:07:54, skipping insertion in model container [2020-07-28 18:07:54,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:07:54" (1/1) ... [2020-07-28 18:07:54,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 18:07:54,829 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 18:07:55,303 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:07:55,314 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 18:07:55,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:07:55,446 INFO L208 MainTranslator]: Completed translation [2020-07-28 18:07:55,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:07:55 WrapperNode [2020-07-28 18:07:55,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 18:07:55,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 18:07:55,451 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 18:07:55,451 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 18:07:55,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:07:55" (1/1) ... [2020-07-28 18:07:55,479 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:07:55" (1/1) ... [2020-07-28 18:07:55,512 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 18:07:55,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 18:07:55,513 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 18:07:55,513 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 18:07:55,522 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:07:55" (1/1) ... [2020-07-28 18:07:55,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:07:55" (1/1) ... [2020-07-28 18:07:55,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:07:55" (1/1) ... [2020-07-28 18:07:55,527 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:07:55" (1/1) ... [2020-07-28 18:07:55,539 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:07:55" (1/1) ... [2020-07-28 18:07:55,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:07:55" (1/1) ... [2020-07-28 18:07:55,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:07:55" (1/1) ... [2020-07-28 18:07:55,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 18:07:55,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 18:07:55,560 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 18:07:55,560 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 18:07:55,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:07:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:07:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-28 18:07:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-28 18:07:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-28 18:07:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-28 18:07:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-28 18:07:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 18:07:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 18:07:55,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 18:07:56,174 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 18:07:56,174 INFO L295 CfgBuilder]: Removed 22 assume(true) statements. [2020-07-28 18:07:56,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:07:56 BoogieIcfgContainer [2020-07-28 18:07:56,179 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 18:07:56,180 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 18:07:56,180 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 18:07:56,183 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 18:07:56,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 06:07:54" (1/3) ... [2020-07-28 18:07:56,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5613d349 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:07:56, skipping insertion in model container [2020-07-28 18:07:56,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:07:55" (2/3) ... [2020-07-28 18:07:56,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5613d349 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:07:56, skipping insertion in model container [2020-07-28 18:07:56,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:07:56" (3/3) ... [2020-07-28 18:07:56,188 INFO L109 eAbstractionObserver]: Analyzing ICFG sll2n_update_all_reverse.i [2020-07-28 18:07:56,199 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 18:07:56,207 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 18:07:56,222 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 18:07:56,247 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 18:07:56,247 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 18:07:56,247 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 18:07:56,248 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 18:07:56,248 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 18:07:56,248 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 18:07:56,249 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 18:07:56,249 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 18:07:56,262 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-07-28 18:07:56,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-28 18:07:56,268 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:07:56,269 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:07:56,270 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:07:56,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:07:56,275 INFO L82 PathProgramCache]: Analyzing trace with hash -1121238131, now seen corresponding path program 1 times [2020-07-28 18:07:56,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:07:56,284 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494485009] [2020-07-28 18:07:56,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:07:56,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:07:56,432 INFO L280 TraceCheckUtils]: 0: Hoare triple {32#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {32#true} is VALID [2020-07-28 18:07:56,433 INFO L280 TraceCheckUtils]: 1: Hoare triple {32#true} havoc main_#res;havoc main_#t~ret11.base, main_#t~ret11.offset, main_#t~post12, main_~new_data~0, main_#t~ret14, main_#t~post13, main_~expected~0, main_~len~0, main_~data~0, main_~s~0.base, main_~s~0.offset, main_~i~0;main_~len~0 := 2;main_~data~0 := 1;sll_create_#in~len, sll_create_#in~data := main_~len~0, main_~data~0;havoc sll_create_#res.base, sll_create_#res.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset, sll_create_#t~post3, sll_create_~new_head~0.base, sll_create_~new_head~0.offset, sll_create_~len, sll_create_~data, sll_create_~head~0.base, sll_create_~head~0.offset;sll_create_~len := sll_create_#in~len;sll_create_~data := sll_create_#in~data;sll_create_~head~0.base, sll_create_~head~0.offset := 0, 0; {32#true} is VALID [2020-07-28 18:07:56,434 INFO L280 TraceCheckUtils]: 2: Hoare triple {32#true} assume !true; {33#false} is VALID [2020-07-28 18:07:56,435 INFO L280 TraceCheckUtils]: 3: Hoare triple {33#false} sll_create_#res.base, sll_create_#res.offset := sll_create_~head~0.base, sll_create_~head~0.offset; {33#false} is VALID [2020-07-28 18:07:56,435 INFO L280 TraceCheckUtils]: 4: Hoare triple {33#false} main_#t~ret11.base, main_#t~ret11.offset := sll_create_#res.base, sll_create_#res.offset;main_~s~0.base, main_~s~0.offset := main_#t~ret11.base, main_#t~ret11.offset;havoc main_#t~ret11.base, main_#t~ret11.offset;havoc main_~i~0;main_~i~0 := main_~len~0 - 1; {33#false} is VALID [2020-07-28 18:07:56,436 INFO L280 TraceCheckUtils]: 5: Hoare triple {33#false} assume !(main_~i~0 >= 0); {33#false} is VALID [2020-07-28 18:07:56,436 INFO L280 TraceCheckUtils]: 6: Hoare triple {33#false} main_~i~0 := main_~len~0 - 1; {33#false} is VALID [2020-07-28 18:07:56,436 INFO L280 TraceCheckUtils]: 7: Hoare triple {33#false} assume !!(main_~i~0 >= 0);main_~expected~0 := main_~i~0 + main_~len~0;sll_get_data_at_#in~head.base, sll_get_data_at_#in~head.offset, sll_get_data_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~i~0;havoc sll_get_data_at_#res;havoc sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset, sll_get_data_at_#t~post7, sll_get_data_at_#t~mem8, sll_get_data_at_~head.base, sll_get_data_at_~head.offset, sll_get_data_at_~index;sll_get_data_at_~head.base, sll_get_data_at_~head.offset := sll_get_data_at_#in~head.base, sll_get_data_at_#in~head.offset;sll_get_data_at_~index := sll_get_data_at_#in~index; {33#false} is VALID [2020-07-28 18:07:56,437 INFO L280 TraceCheckUtils]: 8: Hoare triple {33#false} assume !(sll_get_data_at_~index > 0); {33#false} is VALID [2020-07-28 18:07:56,437 INFO L280 TraceCheckUtils]: 9: Hoare triple {33#false} call sll_get_data_at_#t~mem8 := read~int(sll_get_data_at_~head.base, sll_get_data_at_~head.offset, 4);sll_get_data_at_#res := sll_get_data_at_#t~mem8;havoc sll_get_data_at_#t~mem8; {33#false} is VALID [2020-07-28 18:07:56,438 INFO L280 TraceCheckUtils]: 10: Hoare triple {33#false} main_#t~ret14 := sll_get_data_at_#res;assume -2147483648 <= main_#t~ret14 && main_#t~ret14 <= 2147483647; {33#false} is VALID [2020-07-28 18:07:56,438 INFO L280 TraceCheckUtils]: 11: Hoare triple {33#false} assume main_~expected~0 != main_#t~ret14;havoc main_#t~ret14; {33#false} is VALID [2020-07-28 18:07:56,438 INFO L280 TraceCheckUtils]: 12: Hoare triple {33#false} assume !false; {33#false} is VALID [2020-07-28 18:07:56,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:07:56,443 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494485009] [2020-07-28 18:07:56,444 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:07:56,445 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:07:56,446 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678833208] [2020-07-28 18:07:56,452 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2020-07-28 18:07:56,454 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:07:56,458 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 18:07:56,482 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:07:56,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 18:07:56,483 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:07:56,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 18:07:56,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:07:56,496 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 2 states. [2020-07-28 18:07:56,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:07:56,571 INFO L93 Difference]: Finished difference Result 50 states and 73 transitions. [2020-07-28 18:07:56,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 18:07:56,572 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2020-07-28 18:07:56,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:07:56,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:07:56,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 73 transitions. [2020-07-28 18:07:56,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:07:56,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 73 transitions. [2020-07-28 18:07:56,587 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 73 transitions. [2020-07-28 18:07:56,749 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 73 edges. 73 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:07:56,770 INFO L225 Difference]: With dead ends: 50 [2020-07-28 18:07:56,771 INFO L226 Difference]: Without dead ends: 22 [2020-07-28 18:07:56,777 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:07:56,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2020-07-28 18:07:56,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2020-07-28 18:07:56,829 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:07:56,830 INFO L82 GeneralOperation]: Start isEquivalent. First operand 22 states. Second operand 22 states. [2020-07-28 18:07:56,831 INFO L74 IsIncluded]: Start isIncluded. First operand 22 states. Second operand 22 states. [2020-07-28 18:07:56,831 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 22 states. [2020-07-28 18:07:56,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:07:56,836 INFO L93 Difference]: Finished difference Result 22 states and 26 transitions. [2020-07-28 18:07:56,837 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2020-07-28 18:07:56,838 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:07:56,839 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:07:56,839 INFO L74 IsIncluded]: Start isIncluded. First operand 22 states. Second operand 22 states. [2020-07-28 18:07:56,840 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 22 states. [2020-07-28 18:07:56,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:07:56,853 INFO L93 Difference]: Finished difference Result 22 states and 26 transitions. [2020-07-28 18:07:56,853 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2020-07-28 18:07:56,854 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:07:56,854 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:07:56,855 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:07:56,855 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:07:56,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-07-28 18:07:56,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2020-07-28 18:07:56,862 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 13 [2020-07-28 18:07:56,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:07:56,863 INFO L479 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2020-07-28 18:07:56,863 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 18:07:56,863 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2020-07-28 18:07:56,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-28 18:07:56,866 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:07:56,866 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:07:56,867 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 18:07:56,868 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:07:56,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:07:56,869 INFO L82 PathProgramCache]: Analyzing trace with hash 1860179837, now seen corresponding path program 1 times [2020-07-28 18:07:56,870 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:07:56,870 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756333247] [2020-07-28 18:07:56,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:07:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:07:56,984 INFO L280 TraceCheckUtils]: 0: Hoare triple {182#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {182#true} is VALID [2020-07-28 18:07:56,985 INFO L280 TraceCheckUtils]: 1: Hoare triple {182#true} havoc main_#res;havoc main_#t~ret11.base, main_#t~ret11.offset, main_#t~post12, main_~new_data~0, main_#t~ret14, main_#t~post13, main_~expected~0, main_~len~0, main_~data~0, main_~s~0.base, main_~s~0.offset, main_~i~0;main_~len~0 := 2;main_~data~0 := 1;sll_create_#in~len, sll_create_#in~data := main_~len~0, main_~data~0;havoc sll_create_#res.base, sll_create_#res.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset, sll_create_#t~post3, sll_create_~new_head~0.base, sll_create_~new_head~0.offset, sll_create_~len, sll_create_~data, sll_create_~head~0.base, sll_create_~head~0.offset;sll_create_~len := sll_create_#in~len;sll_create_~data := sll_create_#in~data;sll_create_~head~0.base, sll_create_~head~0.offset := 0, 0; {184#(<= 2 ULTIMATE.start_sll_create_~len)} is VALID [2020-07-28 18:07:56,987 INFO L280 TraceCheckUtils]: 2: Hoare triple {184#(<= 2 ULTIMATE.start_sll_create_~len)} assume !(sll_create_~len > 0); {183#false} is VALID [2020-07-28 18:07:56,987 INFO L280 TraceCheckUtils]: 3: Hoare triple {183#false} sll_create_#res.base, sll_create_#res.offset := sll_create_~head~0.base, sll_create_~head~0.offset; {183#false} is VALID [2020-07-28 18:07:56,988 INFO L280 TraceCheckUtils]: 4: Hoare triple {183#false} main_#t~ret11.base, main_#t~ret11.offset := sll_create_#res.base, sll_create_#res.offset;main_~s~0.base, main_~s~0.offset := main_#t~ret11.base, main_#t~ret11.offset;havoc main_#t~ret11.base, main_#t~ret11.offset;havoc main_~i~0;main_~i~0 := main_~len~0 - 1; {183#false} is VALID [2020-07-28 18:07:56,988 INFO L280 TraceCheckUtils]: 5: Hoare triple {183#false} assume !(main_~i~0 >= 0); {183#false} is VALID [2020-07-28 18:07:56,988 INFO L280 TraceCheckUtils]: 6: Hoare triple {183#false} main_~i~0 := main_~len~0 - 1; {183#false} is VALID [2020-07-28 18:07:56,989 INFO L280 TraceCheckUtils]: 7: Hoare triple {183#false} assume !!(main_~i~0 >= 0);main_~expected~0 := main_~i~0 + main_~len~0;sll_get_data_at_#in~head.base, sll_get_data_at_#in~head.offset, sll_get_data_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~i~0;havoc sll_get_data_at_#res;havoc sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset, sll_get_data_at_#t~post7, sll_get_data_at_#t~mem8, sll_get_data_at_~head.base, sll_get_data_at_~head.offset, sll_get_data_at_~index;sll_get_data_at_~head.base, sll_get_data_at_~head.offset := sll_get_data_at_#in~head.base, sll_get_data_at_#in~head.offset;sll_get_data_at_~index := sll_get_data_at_#in~index; {183#false} is VALID [2020-07-28 18:07:56,989 INFO L280 TraceCheckUtils]: 8: Hoare triple {183#false} assume !(sll_get_data_at_~index > 0); {183#false} is VALID [2020-07-28 18:07:56,990 INFO L280 TraceCheckUtils]: 9: Hoare triple {183#false} call sll_get_data_at_#t~mem8 := read~int(sll_get_data_at_~head.base, sll_get_data_at_~head.offset, 4);sll_get_data_at_#res := sll_get_data_at_#t~mem8;havoc sll_get_data_at_#t~mem8; {183#false} is VALID [2020-07-28 18:07:56,990 INFO L280 TraceCheckUtils]: 10: Hoare triple {183#false} main_#t~ret14 := sll_get_data_at_#res;assume -2147483648 <= main_#t~ret14 && main_#t~ret14 <= 2147483647; {183#false} is VALID [2020-07-28 18:07:56,990 INFO L280 TraceCheckUtils]: 11: Hoare triple {183#false} assume main_~expected~0 != main_#t~ret14;havoc main_#t~ret14; {183#false} is VALID [2020-07-28 18:07:56,991 INFO L280 TraceCheckUtils]: 12: Hoare triple {183#false} assume !false; {183#false} is VALID [2020-07-28 18:07:56,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:07:56,992 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756333247] [2020-07-28 18:07:56,992 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:07:56,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:07:56,993 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198244137] [2020-07-28 18:07:56,995 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-07-28 18:07:56,995 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:07:56,995 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:07:57,017 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:07:57,017 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:07:57,018 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:07:57,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:07:57,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:07:57,019 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand 3 states. [2020-07-28 18:07:57,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:07:57,099 INFO L93 Difference]: Finished difference Result 42 states and 50 transitions. [2020-07-28 18:07:57,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:07:57,099 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-07-28 18:07:57,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:07:57,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:07:57,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 50 transitions. [2020-07-28 18:07:57,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:07:57,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 50 transitions. [2020-07-28 18:07:57,104 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 50 transitions. [2020-07-28 18:07:57,177 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:07:57,178 INFO L225 Difference]: With dead ends: 42 [2020-07-28 18:07:57,178 INFO L226 Difference]: Without dead ends: 27 [2020-07-28 18:07:57,180 INFO L675 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 [2020-07-28 18:07:57,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-07-28 18:07:57,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 23. [2020-07-28 18:07:57,189 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:07:57,189 INFO L82 GeneralOperation]: Start isEquivalent. First operand 27 states. Second operand 23 states. [2020-07-28 18:07:57,189 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand 23 states. [2020-07-28 18:07:57,189 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 23 states. [2020-07-28 18:07:57,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:07:57,191 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions. [2020-07-28 18:07:57,192 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2020-07-28 18:07:57,192 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:07:57,192 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:07:57,193 INFO L74 IsIncluded]: Start isIncluded. First operand 23 states. Second operand 27 states. [2020-07-28 18:07:57,193 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 27 states. [2020-07-28 18:07:57,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:07:57,195 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions. [2020-07-28 18:07:57,195 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2020-07-28 18:07:57,196 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:07:57,196 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:07:57,196 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:07:57,197 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:07:57,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-07-28 18:07:57,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2020-07-28 18:07:57,199 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 13 [2020-07-28 18:07:57,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:07:57,199 INFO L479 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2020-07-28 18:07:57,199 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:07:57,199 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2020-07-28 18:07:57,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 18:07:57,200 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:07:57,200 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:07:57,201 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 18:07:57,201 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:07:57,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:07:57,201 INFO L82 PathProgramCache]: Analyzing trace with hash -2027989739, now seen corresponding path program 1 times [2020-07-28 18:07:57,202 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:07:57,202 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314802313] [2020-07-28 18:07:57,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:07:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:07:57,290 INFO L280 TraceCheckUtils]: 0: Hoare triple {334#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {334#true} is VALID [2020-07-28 18:07:57,292 INFO L280 TraceCheckUtils]: 1: Hoare triple {334#true} havoc main_#res;havoc main_#t~ret11.base, main_#t~ret11.offset, main_#t~post12, main_~new_data~0, main_#t~ret14, main_#t~post13, main_~expected~0, main_~len~0, main_~data~0, main_~s~0.base, main_~s~0.offset, main_~i~0;main_~len~0 := 2;main_~data~0 := 1;sll_create_#in~len, sll_create_#in~data := main_~len~0, main_~data~0;havoc sll_create_#res.base, sll_create_#res.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset, sll_create_#t~post3, sll_create_~new_head~0.base, sll_create_~new_head~0.offset, sll_create_~len, sll_create_~data, sll_create_~head~0.base, sll_create_~head~0.offset;sll_create_~len := sll_create_#in~len;sll_create_~data := sll_create_#in~data;sll_create_~head~0.base, sll_create_~head~0.offset := 0, 0; {336#(<= 2 ULTIMATE.start_sll_create_~len)} is VALID [2020-07-28 18:07:57,293 INFO L280 TraceCheckUtils]: 2: Hoare triple {336#(<= 2 ULTIMATE.start_sll_create_~len)} assume !!(sll_create_~len > 0);node_create_#in~data := sll_create_~data;havoc node_create_#res.base, node_create_#res.offset;havoc node_create_#t~malloc2.base, node_create_#t~malloc2.offset, node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset;node_create_~data := node_create_#in~data;call node_create_#t~malloc2.base, node_create_#t~malloc2.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0.base, node_create_~temp~0.offset := node_create_#t~malloc2.base, node_create_#t~malloc2.offset; {336#(<= 2 ULTIMATE.start_sll_create_~len)} is VALID [2020-07-28 18:07:57,294 INFO L280 TraceCheckUtils]: 3: Hoare triple {336#(<= 2 ULTIMATE.start_sll_create_~len)} assume !(0 == node_create_~temp~0.base && 0 == node_create_~temp~0.offset); {336#(<= 2 ULTIMATE.start_sll_create_~len)} is VALID [2020-07-28 18:07:57,295 INFO L280 TraceCheckUtils]: 4: Hoare triple {336#(<= 2 ULTIMATE.start_sll_create_~len)} call write~$Pointer$(0, 0, node_create_~temp~0.base, 4 + node_create_~temp~0.offset, 4);call write~int(node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset, 4);node_create_#res.base, node_create_#res.offset := node_create_~temp~0.base, node_create_~temp~0.offset; {336#(<= 2 ULTIMATE.start_sll_create_~len)} is VALID [2020-07-28 18:07:57,296 INFO L280 TraceCheckUtils]: 5: Hoare triple {336#(<= 2 ULTIMATE.start_sll_create_~len)} sll_create_#t~ret4.base, sll_create_#t~ret4.offset := node_create_#res.base, node_create_#res.offset;sll_create_~new_head~0.base, sll_create_~new_head~0.offset := sll_create_#t~ret4.base, sll_create_#t~ret4.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset;call write~$Pointer$(sll_create_~head~0.base, sll_create_~head~0.offset, sll_create_~new_head~0.base, 4 + sll_create_~new_head~0.offset, 4);sll_create_~head~0.base, sll_create_~head~0.offset := sll_create_~new_head~0.base, sll_create_~new_head~0.offset; {336#(<= 2 ULTIMATE.start_sll_create_~len)} is VALID [2020-07-28 18:07:57,297 INFO L280 TraceCheckUtils]: 6: Hoare triple {336#(<= 2 ULTIMATE.start_sll_create_~len)} sll_create_#t~post3 := sll_create_~len;sll_create_~len := sll_create_#t~post3 - 1;havoc sll_create_#t~post3; {337#(<= 1 ULTIMATE.start_sll_create_~len)} is VALID [2020-07-28 18:07:57,298 INFO L280 TraceCheckUtils]: 7: Hoare triple {337#(<= 1 ULTIMATE.start_sll_create_~len)} assume !(sll_create_~len > 0); {335#false} is VALID [2020-07-28 18:07:57,299 INFO L280 TraceCheckUtils]: 8: Hoare triple {335#false} sll_create_#res.base, sll_create_#res.offset := sll_create_~head~0.base, sll_create_~head~0.offset; {335#false} is VALID [2020-07-28 18:07:57,299 INFO L280 TraceCheckUtils]: 9: Hoare triple {335#false} main_#t~ret11.base, main_#t~ret11.offset := sll_create_#res.base, sll_create_#res.offset;main_~s~0.base, main_~s~0.offset := main_#t~ret11.base, main_#t~ret11.offset;havoc main_#t~ret11.base, main_#t~ret11.offset;havoc main_~i~0;main_~i~0 := main_~len~0 - 1; {335#false} is VALID [2020-07-28 18:07:57,299 INFO L280 TraceCheckUtils]: 10: Hoare triple {335#false} assume !(main_~i~0 >= 0); {335#false} is VALID [2020-07-28 18:07:57,300 INFO L280 TraceCheckUtils]: 11: Hoare triple {335#false} main_~i~0 := main_~len~0 - 1; {335#false} is VALID [2020-07-28 18:07:57,300 INFO L280 TraceCheckUtils]: 12: Hoare triple {335#false} assume !!(main_~i~0 >= 0);main_~expected~0 := main_~i~0 + main_~len~0;sll_get_data_at_#in~head.base, sll_get_data_at_#in~head.offset, sll_get_data_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~i~0;havoc sll_get_data_at_#res;havoc sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset, sll_get_data_at_#t~post7, sll_get_data_at_#t~mem8, sll_get_data_at_~head.base, sll_get_data_at_~head.offset, sll_get_data_at_~index;sll_get_data_at_~head.base, sll_get_data_at_~head.offset := sll_get_data_at_#in~head.base, sll_get_data_at_#in~head.offset;sll_get_data_at_~index := sll_get_data_at_#in~index; {335#false} is VALID [2020-07-28 18:07:57,301 INFO L280 TraceCheckUtils]: 13: Hoare triple {335#false} assume !(sll_get_data_at_~index > 0); {335#false} is VALID [2020-07-28 18:07:57,301 INFO L280 TraceCheckUtils]: 14: Hoare triple {335#false} call sll_get_data_at_#t~mem8 := read~int(sll_get_data_at_~head.base, sll_get_data_at_~head.offset, 4);sll_get_data_at_#res := sll_get_data_at_#t~mem8;havoc sll_get_data_at_#t~mem8; {335#false} is VALID [2020-07-28 18:07:57,301 INFO L280 TraceCheckUtils]: 15: Hoare triple {335#false} main_#t~ret14 := sll_get_data_at_#res;assume -2147483648 <= main_#t~ret14 && main_#t~ret14 <= 2147483647; {335#false} is VALID [2020-07-28 18:07:57,302 INFO L280 TraceCheckUtils]: 16: Hoare triple {335#false} assume main_~expected~0 != main_#t~ret14;havoc main_#t~ret14; {335#false} is VALID [2020-07-28 18:07:57,302 INFO L280 TraceCheckUtils]: 17: Hoare triple {335#false} assume !false; {335#false} is VALID [2020-07-28 18:07:57,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:07:57,304 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314802313] [2020-07-28 18:07:57,305 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616134783] [2020-07-28 18:07:57,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-28 18:07:57,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:07:57,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-28 18:07:57,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:07:57,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 18:07:57,642 INFO L280 TraceCheckUtils]: 0: Hoare triple {334#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {334#true} is VALID [2020-07-28 18:07:57,644 INFO L280 TraceCheckUtils]: 1: Hoare triple {334#true} havoc main_#res;havoc main_#t~ret11.base, main_#t~ret11.offset, main_#t~post12, main_~new_data~0, main_#t~ret14, main_#t~post13, main_~expected~0, main_~len~0, main_~data~0, main_~s~0.base, main_~s~0.offset, main_~i~0;main_~len~0 := 2;main_~data~0 := 1;sll_create_#in~len, sll_create_#in~data := main_~len~0, main_~data~0;havoc sll_create_#res.base, sll_create_#res.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset, sll_create_#t~post3, sll_create_~new_head~0.base, sll_create_~new_head~0.offset, sll_create_~len, sll_create_~data, sll_create_~head~0.base, sll_create_~head~0.offset;sll_create_~len := sll_create_#in~len;sll_create_~data := sll_create_#in~data;sll_create_~head~0.base, sll_create_~head~0.offset := 0, 0; {336#(<= 2 ULTIMATE.start_sll_create_~len)} is VALID [2020-07-28 18:07:57,645 INFO L280 TraceCheckUtils]: 2: Hoare triple {336#(<= 2 ULTIMATE.start_sll_create_~len)} assume !!(sll_create_~len > 0);node_create_#in~data := sll_create_~data;havoc node_create_#res.base, node_create_#res.offset;havoc node_create_#t~malloc2.base, node_create_#t~malloc2.offset, node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset;node_create_~data := node_create_#in~data;call node_create_#t~malloc2.base, node_create_#t~malloc2.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0.base, node_create_~temp~0.offset := node_create_#t~malloc2.base, node_create_#t~malloc2.offset; {336#(<= 2 ULTIMATE.start_sll_create_~len)} is VALID [2020-07-28 18:07:57,647 INFO L280 TraceCheckUtils]: 3: Hoare triple {336#(<= 2 ULTIMATE.start_sll_create_~len)} assume !(0 == node_create_~temp~0.base && 0 == node_create_~temp~0.offset); {336#(<= 2 ULTIMATE.start_sll_create_~len)} is VALID [2020-07-28 18:07:57,648 INFO L280 TraceCheckUtils]: 4: Hoare triple {336#(<= 2 ULTIMATE.start_sll_create_~len)} call write~$Pointer$(0, 0, node_create_~temp~0.base, 4 + node_create_~temp~0.offset, 4);call write~int(node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset, 4);node_create_#res.base, node_create_#res.offset := node_create_~temp~0.base, node_create_~temp~0.offset; {336#(<= 2 ULTIMATE.start_sll_create_~len)} is VALID [2020-07-28 18:07:57,650 INFO L280 TraceCheckUtils]: 5: Hoare triple {336#(<= 2 ULTIMATE.start_sll_create_~len)} sll_create_#t~ret4.base, sll_create_#t~ret4.offset := node_create_#res.base, node_create_#res.offset;sll_create_~new_head~0.base, sll_create_~new_head~0.offset := sll_create_#t~ret4.base, sll_create_#t~ret4.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset;call write~$Pointer$(sll_create_~head~0.base, sll_create_~head~0.offset, sll_create_~new_head~0.base, 4 + sll_create_~new_head~0.offset, 4);sll_create_~head~0.base, sll_create_~head~0.offset := sll_create_~new_head~0.base, sll_create_~new_head~0.offset; {336#(<= 2 ULTIMATE.start_sll_create_~len)} is VALID [2020-07-28 18:07:57,652 INFO L280 TraceCheckUtils]: 6: Hoare triple {336#(<= 2 ULTIMATE.start_sll_create_~len)} sll_create_#t~post3 := sll_create_~len;sll_create_~len := sll_create_#t~post3 - 1;havoc sll_create_#t~post3; {337#(<= 1 ULTIMATE.start_sll_create_~len)} is VALID [2020-07-28 18:07:57,653 INFO L280 TraceCheckUtils]: 7: Hoare triple {337#(<= 1 ULTIMATE.start_sll_create_~len)} assume !(sll_create_~len > 0); {335#false} is VALID [2020-07-28 18:07:57,653 INFO L280 TraceCheckUtils]: 8: Hoare triple {335#false} sll_create_#res.base, sll_create_#res.offset := sll_create_~head~0.base, sll_create_~head~0.offset; {335#false} is VALID [2020-07-28 18:07:57,654 INFO L280 TraceCheckUtils]: 9: Hoare triple {335#false} main_#t~ret11.base, main_#t~ret11.offset := sll_create_#res.base, sll_create_#res.offset;main_~s~0.base, main_~s~0.offset := main_#t~ret11.base, main_#t~ret11.offset;havoc main_#t~ret11.base, main_#t~ret11.offset;havoc main_~i~0;main_~i~0 := main_~len~0 - 1; {335#false} is VALID [2020-07-28 18:07:57,654 INFO L280 TraceCheckUtils]: 10: Hoare triple {335#false} assume !(main_~i~0 >= 0); {335#false} is VALID [2020-07-28 18:07:57,654 INFO L280 TraceCheckUtils]: 11: Hoare triple {335#false} main_~i~0 := main_~len~0 - 1; {335#false} is VALID [2020-07-28 18:07:57,655 INFO L280 TraceCheckUtils]: 12: Hoare triple {335#false} assume !!(main_~i~0 >= 0);main_~expected~0 := main_~i~0 + main_~len~0;sll_get_data_at_#in~head.base, sll_get_data_at_#in~head.offset, sll_get_data_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~i~0;havoc sll_get_data_at_#res;havoc sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset, sll_get_data_at_#t~post7, sll_get_data_at_#t~mem8, sll_get_data_at_~head.base, sll_get_data_at_~head.offset, sll_get_data_at_~index;sll_get_data_at_~head.base, sll_get_data_at_~head.offset := sll_get_data_at_#in~head.base, sll_get_data_at_#in~head.offset;sll_get_data_at_~index := sll_get_data_at_#in~index; {335#false} is VALID [2020-07-28 18:07:57,655 INFO L280 TraceCheckUtils]: 13: Hoare triple {335#false} assume !(sll_get_data_at_~index > 0); {335#false} is VALID [2020-07-28 18:07:57,659 INFO L280 TraceCheckUtils]: 14: Hoare triple {335#false} call sll_get_data_at_#t~mem8 := read~int(sll_get_data_at_~head.base, sll_get_data_at_~head.offset, 4);sll_get_data_at_#res := sll_get_data_at_#t~mem8;havoc sll_get_data_at_#t~mem8; {335#false} is VALID [2020-07-28 18:07:57,659 INFO L280 TraceCheckUtils]: 15: Hoare triple {335#false} main_#t~ret14 := sll_get_data_at_#res;assume -2147483648 <= main_#t~ret14 && main_#t~ret14 <= 2147483647; {335#false} is VALID [2020-07-28 18:07:57,660 INFO L280 TraceCheckUtils]: 16: Hoare triple {335#false} assume main_~expected~0 != main_#t~ret14;havoc main_#t~ret14; {335#false} is VALID [2020-07-28 18:07:57,660 INFO L280 TraceCheckUtils]: 17: Hoare triple {335#false} assume !false; {335#false} is VALID [2020-07-28 18:07:57,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:07:57,662 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-28 18:07:57,662 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-07-28 18:07:57,664 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242152229] [2020-07-28 18:07:57,665 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-07-28 18:07:57,670 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:07:57,671 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 18:07:57,698 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:07:57,699 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 18:07:57,699 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:07:57,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 18:07:57,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-28 18:07:57,700 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand 4 states. [2020-07-28 18:07:57,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:07:57,824 INFO L93 Difference]: Finished difference Result 43 states and 51 transitions. [2020-07-28 18:07:57,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 18:07:57,824 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-07-28 18:07:57,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:07:57,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 18:07:57,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 51 transitions. [2020-07-28 18:07:57,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 18:07:57,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 51 transitions. [2020-07-28 18:07:57,837 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 51 transitions. [2020-07-28 18:07:57,916 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:07:57,917 INFO L225 Difference]: With dead ends: 43 [2020-07-28 18:07:57,917 INFO L226 Difference]: Without dead ends: 28 [2020-07-28 18:07:57,918 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-28 18:07:57,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-07-28 18:07:57,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-07-28 18:07:57,937 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:07:57,937 INFO L82 GeneralOperation]: Start isEquivalent. First operand 28 states. Second operand 28 states. [2020-07-28 18:07:57,937 INFO L74 IsIncluded]: Start isIncluded. First operand 28 states. Second operand 28 states. [2020-07-28 18:07:57,937 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 28 states. [2020-07-28 18:07:57,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:07:57,943 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2020-07-28 18:07:57,944 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-07-28 18:07:57,944 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:07:57,944 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:07:57,945 INFO L74 IsIncluded]: Start isIncluded. First operand 28 states. Second operand 28 states. [2020-07-28 18:07:57,945 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 28 states. [2020-07-28 18:07:57,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:07:57,948 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2020-07-28 18:07:57,949 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-07-28 18:07:57,951 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:07:57,952 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:07:57,952 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:07:57,952 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:07:57,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-07-28 18:07:57,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2020-07-28 18:07:57,956 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 18 [2020-07-28 18:07:57,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:07:57,957 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2020-07-28 18:07:57,957 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 18:07:57,957 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-07-28 18:07:57,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-07-28 18:07:57,959 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:07:57,959 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:07:58,173 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-07-28 18:07:58,174 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:07:58,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:07:58,175 INFO L82 PathProgramCache]: Analyzing trace with hash -650193283, now seen corresponding path program 2 times [2020-07-28 18:07:58,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:07:58,175 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492647154] [2020-07-28 18:07:58,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:07:58,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:07:58,375 INFO L280 TraceCheckUtils]: 0: Hoare triple {549#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {549#true} is VALID [2020-07-28 18:07:58,376 INFO L280 TraceCheckUtils]: 1: Hoare triple {549#true} havoc main_#res;havoc main_#t~ret11.base, main_#t~ret11.offset, main_#t~post12, main_~new_data~0, main_#t~ret14, main_#t~post13, main_~expected~0, main_~len~0, main_~data~0, main_~s~0.base, main_~s~0.offset, main_~i~0;main_~len~0 := 2;main_~data~0 := 1;sll_create_#in~len, sll_create_#in~data := main_~len~0, main_~data~0;havoc sll_create_#res.base, sll_create_#res.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset, sll_create_#t~post3, sll_create_~new_head~0.base, sll_create_~new_head~0.offset, sll_create_~len, sll_create_~data, sll_create_~head~0.base, sll_create_~head~0.offset;sll_create_~len := sll_create_#in~len;sll_create_~data := sll_create_#in~data;sll_create_~head~0.base, sll_create_~head~0.offset := 0, 0; {551#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:58,377 INFO L280 TraceCheckUtils]: 2: Hoare triple {551#(<= 2 ULTIMATE.start_main_~len~0)} assume !!(sll_create_~len > 0);node_create_#in~data := sll_create_~data;havoc node_create_#res.base, node_create_#res.offset;havoc node_create_#t~malloc2.base, node_create_#t~malloc2.offset, node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset;node_create_~data := node_create_#in~data;call node_create_#t~malloc2.base, node_create_#t~malloc2.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0.base, node_create_~temp~0.offset := node_create_#t~malloc2.base, node_create_#t~malloc2.offset; {551#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:58,378 INFO L280 TraceCheckUtils]: 3: Hoare triple {551#(<= 2 ULTIMATE.start_main_~len~0)} assume !(0 == node_create_~temp~0.base && 0 == node_create_~temp~0.offset); {551#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:58,379 INFO L280 TraceCheckUtils]: 4: Hoare triple {551#(<= 2 ULTIMATE.start_main_~len~0)} call write~$Pointer$(0, 0, node_create_~temp~0.base, 4 + node_create_~temp~0.offset, 4);call write~int(node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset, 4);node_create_#res.base, node_create_#res.offset := node_create_~temp~0.base, node_create_~temp~0.offset; {551#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:58,380 INFO L280 TraceCheckUtils]: 5: Hoare triple {551#(<= 2 ULTIMATE.start_main_~len~0)} sll_create_#t~ret4.base, sll_create_#t~ret4.offset := node_create_#res.base, node_create_#res.offset;sll_create_~new_head~0.base, sll_create_~new_head~0.offset := sll_create_#t~ret4.base, sll_create_#t~ret4.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset;call write~$Pointer$(sll_create_~head~0.base, sll_create_~head~0.offset, sll_create_~new_head~0.base, 4 + sll_create_~new_head~0.offset, 4);sll_create_~head~0.base, sll_create_~head~0.offset := sll_create_~new_head~0.base, sll_create_~new_head~0.offset; {551#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:58,381 INFO L280 TraceCheckUtils]: 6: Hoare triple {551#(<= 2 ULTIMATE.start_main_~len~0)} sll_create_#t~post3 := sll_create_~len;sll_create_~len := sll_create_#t~post3 - 1;havoc sll_create_#t~post3; {551#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:58,381 INFO L280 TraceCheckUtils]: 7: Hoare triple {551#(<= 2 ULTIMATE.start_main_~len~0)} assume !!(sll_create_~len > 0);node_create_#in~data := sll_create_~data;havoc node_create_#res.base, node_create_#res.offset;havoc node_create_#t~malloc2.base, node_create_#t~malloc2.offset, node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset;node_create_~data := node_create_#in~data;call node_create_#t~malloc2.base, node_create_#t~malloc2.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0.base, node_create_~temp~0.offset := node_create_#t~malloc2.base, node_create_#t~malloc2.offset; {551#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:58,382 INFO L280 TraceCheckUtils]: 8: Hoare triple {551#(<= 2 ULTIMATE.start_main_~len~0)} assume !(0 == node_create_~temp~0.base && 0 == node_create_~temp~0.offset); {551#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:58,384 INFO L280 TraceCheckUtils]: 9: Hoare triple {551#(<= 2 ULTIMATE.start_main_~len~0)} call write~$Pointer$(0, 0, node_create_~temp~0.base, 4 + node_create_~temp~0.offset, 4);call write~int(node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset, 4);node_create_#res.base, node_create_#res.offset := node_create_~temp~0.base, node_create_~temp~0.offset; {551#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:58,384 INFO L280 TraceCheckUtils]: 10: Hoare triple {551#(<= 2 ULTIMATE.start_main_~len~0)} sll_create_#t~ret4.base, sll_create_#t~ret4.offset := node_create_#res.base, node_create_#res.offset;sll_create_~new_head~0.base, sll_create_~new_head~0.offset := sll_create_#t~ret4.base, sll_create_#t~ret4.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset;call write~$Pointer$(sll_create_~head~0.base, sll_create_~head~0.offset, sll_create_~new_head~0.base, 4 + sll_create_~new_head~0.offset, 4);sll_create_~head~0.base, sll_create_~head~0.offset := sll_create_~new_head~0.base, sll_create_~new_head~0.offset; {551#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:58,385 INFO L280 TraceCheckUtils]: 11: Hoare triple {551#(<= 2 ULTIMATE.start_main_~len~0)} sll_create_#t~post3 := sll_create_~len;sll_create_~len := sll_create_#t~post3 - 1;havoc sll_create_#t~post3; {551#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:58,386 INFO L280 TraceCheckUtils]: 12: Hoare triple {551#(<= 2 ULTIMATE.start_main_~len~0)} assume !(sll_create_~len > 0); {551#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:58,387 INFO L280 TraceCheckUtils]: 13: Hoare triple {551#(<= 2 ULTIMATE.start_main_~len~0)} sll_create_#res.base, sll_create_#res.offset := sll_create_~head~0.base, sll_create_~head~0.offset; {551#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:58,388 INFO L280 TraceCheckUtils]: 14: Hoare triple {551#(<= 2 ULTIMATE.start_main_~len~0)} main_#t~ret11.base, main_#t~ret11.offset := sll_create_#res.base, sll_create_#res.offset;main_~s~0.base, main_~s~0.offset := main_#t~ret11.base, main_#t~ret11.offset;havoc main_#t~ret11.base, main_#t~ret11.offset;havoc main_~i~0;main_~i~0 := main_~len~0 - 1; {552#(<= 1 ULTIMATE.start_main_~i~0)} is VALID [2020-07-28 18:07:58,389 INFO L280 TraceCheckUtils]: 15: Hoare triple {552#(<= 1 ULTIMATE.start_main_~i~0)} assume !(main_~i~0 >= 0); {550#false} is VALID [2020-07-28 18:07:58,389 INFO L280 TraceCheckUtils]: 16: Hoare triple {550#false} main_~i~0 := main_~len~0 - 1; {550#false} is VALID [2020-07-28 18:07:58,390 INFO L280 TraceCheckUtils]: 17: Hoare triple {550#false} assume !!(main_~i~0 >= 0);main_~expected~0 := main_~i~0 + main_~len~0;sll_get_data_at_#in~head.base, sll_get_data_at_#in~head.offset, sll_get_data_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~i~0;havoc sll_get_data_at_#res;havoc sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset, sll_get_data_at_#t~post7, sll_get_data_at_#t~mem8, sll_get_data_at_~head.base, sll_get_data_at_~head.offset, sll_get_data_at_~index;sll_get_data_at_~head.base, sll_get_data_at_~head.offset := sll_get_data_at_#in~head.base, sll_get_data_at_#in~head.offset;sll_get_data_at_~index := sll_get_data_at_#in~index; {550#false} is VALID [2020-07-28 18:07:58,390 INFO L280 TraceCheckUtils]: 18: Hoare triple {550#false} assume !(sll_get_data_at_~index > 0); {550#false} is VALID [2020-07-28 18:07:58,390 INFO L280 TraceCheckUtils]: 19: Hoare triple {550#false} call sll_get_data_at_#t~mem8 := read~int(sll_get_data_at_~head.base, sll_get_data_at_~head.offset, 4);sll_get_data_at_#res := sll_get_data_at_#t~mem8;havoc sll_get_data_at_#t~mem8; {550#false} is VALID [2020-07-28 18:07:58,391 INFO L280 TraceCheckUtils]: 20: Hoare triple {550#false} main_#t~ret14 := sll_get_data_at_#res;assume -2147483648 <= main_#t~ret14 && main_#t~ret14 <= 2147483647; {550#false} is VALID [2020-07-28 18:07:58,391 INFO L280 TraceCheckUtils]: 21: Hoare triple {550#false} assume main_~expected~0 != main_#t~ret14;havoc main_#t~ret14; {550#false} is VALID [2020-07-28 18:07:58,392 INFO L280 TraceCheckUtils]: 22: Hoare triple {550#false} assume !false; {550#false} is VALID [2020-07-28 18:07:58,393 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-28 18:07:58,394 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492647154] [2020-07-28 18:07:58,394 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:07:58,394 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:07:58,395 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131318771] [2020-07-28 18:07:58,395 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2020-07-28 18:07:58,396 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:07:58,396 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 18:07:58,427 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:07:58,427 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 18:07:58,427 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:07:58,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 18:07:58,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 18:07:58,429 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 4 states. [2020-07-28 18:07:58,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:07:58,559 INFO L93 Difference]: Finished difference Result 49 states and 57 transitions. [2020-07-28 18:07:58,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 18:07:58,559 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2020-07-28 18:07:58,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:07:58,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 18:07:58,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 51 transitions. [2020-07-28 18:07:58,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 18:07:58,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 51 transitions. [2020-07-28 18:07:58,563 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 51 transitions. [2020-07-28 18:07:58,638 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:07:58,639 INFO L225 Difference]: With dead ends: 49 [2020-07-28 18:07:58,640 INFO L226 Difference]: Without dead ends: 40 [2020-07-28 18:07:58,643 INFO L675 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 [2020-07-28 18:07:58,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-07-28 18:07:58,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 29. [2020-07-28 18:07:58,672 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:07:58,672 INFO L82 GeneralOperation]: Start isEquivalent. First operand 40 states. Second operand 29 states. [2020-07-28 18:07:58,673 INFO L74 IsIncluded]: Start isIncluded. First operand 40 states. Second operand 29 states. [2020-07-28 18:07:58,673 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 29 states. [2020-07-28 18:07:58,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:07:58,675 INFO L93 Difference]: Finished difference Result 40 states and 46 transitions. [2020-07-28 18:07:58,676 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2020-07-28 18:07:58,676 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:07:58,676 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:07:58,676 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand 40 states. [2020-07-28 18:07:58,677 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 40 states. [2020-07-28 18:07:58,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:07:58,682 INFO L93 Difference]: Finished difference Result 40 states and 46 transitions. [2020-07-28 18:07:58,682 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2020-07-28 18:07:58,683 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:07:58,684 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:07:58,684 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:07:58,685 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:07:58,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-07-28 18:07:58,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2020-07-28 18:07:58,687 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 23 [2020-07-28 18:07:58,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:07:58,688 INFO L479 AbstractCegarLoop]: Abstraction has 29 states and 33 transitions. [2020-07-28 18:07:58,688 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 18:07:58,688 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2020-07-28 18:07:58,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-28 18:07:58,689 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:07:58,689 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:07:58,689 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 18:07:58,690 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:07:58,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:07:58,693 INFO L82 PathProgramCache]: Analyzing trace with hash -1288329753, now seen corresponding path program 1 times [2020-07-28 18:07:58,693 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:07:58,694 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455410427] [2020-07-28 18:07:58,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:07:58,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:07:58,873 INFO L280 TraceCheckUtils]: 0: Hoare triple {750#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {750#true} is VALID [2020-07-28 18:07:58,874 INFO L280 TraceCheckUtils]: 1: Hoare triple {750#true} havoc main_#res;havoc main_#t~ret11.base, main_#t~ret11.offset, main_#t~post12, main_~new_data~0, main_#t~ret14, main_#t~post13, main_~expected~0, main_~len~0, main_~data~0, main_~s~0.base, main_~s~0.offset, main_~i~0;main_~len~0 := 2;main_~data~0 := 1;sll_create_#in~len, sll_create_#in~data := main_~len~0, main_~data~0;havoc sll_create_#res.base, sll_create_#res.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset, sll_create_#t~post3, sll_create_~new_head~0.base, sll_create_~new_head~0.offset, sll_create_~len, sll_create_~data, sll_create_~head~0.base, sll_create_~head~0.offset;sll_create_~len := sll_create_#in~len;sll_create_~data := sll_create_#in~data;sll_create_~head~0.base, sll_create_~head~0.offset := 0, 0; {752#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:58,875 INFO L280 TraceCheckUtils]: 2: Hoare triple {752#(<= 2 ULTIMATE.start_main_~len~0)} assume !!(sll_create_~len > 0);node_create_#in~data := sll_create_~data;havoc node_create_#res.base, node_create_#res.offset;havoc node_create_#t~malloc2.base, node_create_#t~malloc2.offset, node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset;node_create_~data := node_create_#in~data;call node_create_#t~malloc2.base, node_create_#t~malloc2.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0.base, node_create_~temp~0.offset := node_create_#t~malloc2.base, node_create_#t~malloc2.offset; {752#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:58,875 INFO L280 TraceCheckUtils]: 3: Hoare triple {752#(<= 2 ULTIMATE.start_main_~len~0)} assume !(0 == node_create_~temp~0.base && 0 == node_create_~temp~0.offset); {752#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:58,876 INFO L280 TraceCheckUtils]: 4: Hoare triple {752#(<= 2 ULTIMATE.start_main_~len~0)} call write~$Pointer$(0, 0, node_create_~temp~0.base, 4 + node_create_~temp~0.offset, 4);call write~int(node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset, 4);node_create_#res.base, node_create_#res.offset := node_create_~temp~0.base, node_create_~temp~0.offset; {752#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:58,878 INFO L280 TraceCheckUtils]: 5: Hoare triple {752#(<= 2 ULTIMATE.start_main_~len~0)} sll_create_#t~ret4.base, sll_create_#t~ret4.offset := node_create_#res.base, node_create_#res.offset;sll_create_~new_head~0.base, sll_create_~new_head~0.offset := sll_create_#t~ret4.base, sll_create_#t~ret4.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset;call write~$Pointer$(sll_create_~head~0.base, sll_create_~head~0.offset, sll_create_~new_head~0.base, 4 + sll_create_~new_head~0.offset, 4);sll_create_~head~0.base, sll_create_~head~0.offset := sll_create_~new_head~0.base, sll_create_~new_head~0.offset; {752#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:58,878 INFO L280 TraceCheckUtils]: 6: Hoare triple {752#(<= 2 ULTIMATE.start_main_~len~0)} sll_create_#t~post3 := sll_create_~len;sll_create_~len := sll_create_#t~post3 - 1;havoc sll_create_#t~post3; {752#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:58,879 INFO L280 TraceCheckUtils]: 7: Hoare triple {752#(<= 2 ULTIMATE.start_main_~len~0)} assume !!(sll_create_~len > 0);node_create_#in~data := sll_create_~data;havoc node_create_#res.base, node_create_#res.offset;havoc node_create_#t~malloc2.base, node_create_#t~malloc2.offset, node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset;node_create_~data := node_create_#in~data;call node_create_#t~malloc2.base, node_create_#t~malloc2.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0.base, node_create_~temp~0.offset := node_create_#t~malloc2.base, node_create_#t~malloc2.offset; {752#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:58,880 INFO L280 TraceCheckUtils]: 8: Hoare triple {752#(<= 2 ULTIMATE.start_main_~len~0)} assume !(0 == node_create_~temp~0.base && 0 == node_create_~temp~0.offset); {752#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:58,880 INFO L280 TraceCheckUtils]: 9: Hoare triple {752#(<= 2 ULTIMATE.start_main_~len~0)} call write~$Pointer$(0, 0, node_create_~temp~0.base, 4 + node_create_~temp~0.offset, 4);call write~int(node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset, 4);node_create_#res.base, node_create_#res.offset := node_create_~temp~0.base, node_create_~temp~0.offset; {752#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:58,881 INFO L280 TraceCheckUtils]: 10: Hoare triple {752#(<= 2 ULTIMATE.start_main_~len~0)} sll_create_#t~ret4.base, sll_create_#t~ret4.offset := node_create_#res.base, node_create_#res.offset;sll_create_~new_head~0.base, sll_create_~new_head~0.offset := sll_create_#t~ret4.base, sll_create_#t~ret4.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset;call write~$Pointer$(sll_create_~head~0.base, sll_create_~head~0.offset, sll_create_~new_head~0.base, 4 + sll_create_~new_head~0.offset, 4);sll_create_~head~0.base, sll_create_~head~0.offset := sll_create_~new_head~0.base, sll_create_~new_head~0.offset; {752#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:58,887 INFO L280 TraceCheckUtils]: 11: Hoare triple {752#(<= 2 ULTIMATE.start_main_~len~0)} sll_create_#t~post3 := sll_create_~len;sll_create_~len := sll_create_#t~post3 - 1;havoc sll_create_#t~post3; {752#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:58,888 INFO L280 TraceCheckUtils]: 12: Hoare triple {752#(<= 2 ULTIMATE.start_main_~len~0)} assume !(sll_create_~len > 0); {752#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:58,889 INFO L280 TraceCheckUtils]: 13: Hoare triple {752#(<= 2 ULTIMATE.start_main_~len~0)} sll_create_#res.base, sll_create_#res.offset := sll_create_~head~0.base, sll_create_~head~0.offset; {752#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:58,890 INFO L280 TraceCheckUtils]: 14: Hoare triple {752#(<= 2 ULTIMATE.start_main_~len~0)} main_#t~ret11.base, main_#t~ret11.offset := sll_create_#res.base, sll_create_#res.offset;main_~s~0.base, main_~s~0.offset := main_#t~ret11.base, main_#t~ret11.offset;havoc main_#t~ret11.base, main_#t~ret11.offset;havoc main_~i~0;main_~i~0 := main_~len~0 - 1; {753#(<= 1 ULTIMATE.start_main_~i~0)} is VALID [2020-07-28 18:07:58,891 INFO L280 TraceCheckUtils]: 15: Hoare triple {753#(<= 1 ULTIMATE.start_main_~i~0)} assume !!(main_~i~0 >= 0);main_~new_data~0 := main_~i~0 + main_~len~0;sll_update_at_#in~head.base, sll_update_at_#in~head.offset, sll_update_at_#in~data, sll_update_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~new_data~0, main_~i~0;havoc sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset, sll_update_at_#t~post10, sll_update_at_~head.base, sll_update_at_~head.offset, sll_update_at_~data, sll_update_at_~index;sll_update_at_~head.base, sll_update_at_~head.offset := sll_update_at_#in~head.base, sll_update_at_#in~head.offset;sll_update_at_~data := sll_update_at_#in~data;sll_update_at_~index := sll_update_at_#in~index; {754#(<= 1 ULTIMATE.start_sll_update_at_~index)} is VALID [2020-07-28 18:07:58,892 INFO L280 TraceCheckUtils]: 16: Hoare triple {754#(<= 1 ULTIMATE.start_sll_update_at_~index)} assume !(sll_update_at_~index > 0); {751#false} is VALID [2020-07-28 18:07:58,893 INFO L280 TraceCheckUtils]: 17: Hoare triple {751#false} call write~int(sll_update_at_~data, sll_update_at_~head.base, sll_update_at_~head.offset, 4); {751#false} is VALID [2020-07-28 18:07:58,893 INFO L280 TraceCheckUtils]: 18: Hoare triple {751#false} main_#t~post12 := main_~i~0;main_~i~0 := main_#t~post12 - 1;havoc main_#t~post12; {751#false} is VALID [2020-07-28 18:07:58,893 INFO L280 TraceCheckUtils]: 19: Hoare triple {751#false} assume !(main_~i~0 >= 0); {751#false} is VALID [2020-07-28 18:07:58,894 INFO L280 TraceCheckUtils]: 20: Hoare triple {751#false} main_~i~0 := main_~len~0 - 1; {751#false} is VALID [2020-07-28 18:07:58,894 INFO L280 TraceCheckUtils]: 21: Hoare triple {751#false} assume !!(main_~i~0 >= 0);main_~expected~0 := main_~i~0 + main_~len~0;sll_get_data_at_#in~head.base, sll_get_data_at_#in~head.offset, sll_get_data_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~i~0;havoc sll_get_data_at_#res;havoc sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset, sll_get_data_at_#t~post7, sll_get_data_at_#t~mem8, sll_get_data_at_~head.base, sll_get_data_at_~head.offset, sll_get_data_at_~index;sll_get_data_at_~head.base, sll_get_data_at_~head.offset := sll_get_data_at_#in~head.base, sll_get_data_at_#in~head.offset;sll_get_data_at_~index := sll_get_data_at_#in~index; {751#false} is VALID [2020-07-28 18:07:58,894 INFO L280 TraceCheckUtils]: 22: Hoare triple {751#false} assume !(sll_get_data_at_~index > 0); {751#false} is VALID [2020-07-28 18:07:58,894 INFO L280 TraceCheckUtils]: 23: Hoare triple {751#false} call sll_get_data_at_#t~mem8 := read~int(sll_get_data_at_~head.base, sll_get_data_at_~head.offset, 4);sll_get_data_at_#res := sll_get_data_at_#t~mem8;havoc sll_get_data_at_#t~mem8; {751#false} is VALID [2020-07-28 18:07:58,895 INFO L280 TraceCheckUtils]: 24: Hoare triple {751#false} main_#t~ret14 := sll_get_data_at_#res;assume -2147483648 <= main_#t~ret14 && main_#t~ret14 <= 2147483647; {751#false} is VALID [2020-07-28 18:07:58,895 INFO L280 TraceCheckUtils]: 25: Hoare triple {751#false} assume main_~expected~0 != main_#t~ret14;havoc main_#t~ret14; {751#false} is VALID [2020-07-28 18:07:58,896 INFO L280 TraceCheckUtils]: 26: Hoare triple {751#false} assume !false; {751#false} is VALID [2020-07-28 18:07:58,898 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-28 18:07:58,899 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455410427] [2020-07-28 18:07:58,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:07:58,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 18:07:58,900 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540867071] [2020-07-28 18:07:58,900 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-07-28 18:07:58,900 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:07:58,901 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:07:58,935 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:07:58,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:07:58,936 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:07:58,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:07:58,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:07:58,936 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. Second operand 5 states. [2020-07-28 18:07:59,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:07:59,169 INFO L93 Difference]: Finished difference Result 54 states and 64 transitions. [2020-07-28 18:07:59,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 18:07:59,169 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-07-28 18:07:59,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:07:59,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:07:59,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 58 transitions. [2020-07-28 18:07:59,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:07:59,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 58 transitions. [2020-07-28 18:07:59,174 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 58 transitions. [2020-07-28 18:07:59,316 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 58 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:07:59,317 INFO L225 Difference]: With dead ends: 54 [2020-07-28 18:07:59,317 INFO L226 Difference]: Without dead ends: 41 [2020-07-28 18:07:59,318 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 18:07:59,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-07-28 18:07:59,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 30. [2020-07-28 18:07:59,354 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:07:59,354 INFO L82 GeneralOperation]: Start isEquivalent. First operand 41 states. Second operand 30 states. [2020-07-28 18:07:59,354 INFO L74 IsIncluded]: Start isIncluded. First operand 41 states. Second operand 30 states. [2020-07-28 18:07:59,354 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 30 states. [2020-07-28 18:07:59,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:07:59,357 INFO L93 Difference]: Finished difference Result 41 states and 47 transitions. [2020-07-28 18:07:59,357 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2020-07-28 18:07:59,357 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:07:59,357 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:07:59,358 INFO L74 IsIncluded]: Start isIncluded. First operand 30 states. Second operand 41 states. [2020-07-28 18:07:59,358 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 41 states. [2020-07-28 18:07:59,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:07:59,360 INFO L93 Difference]: Finished difference Result 41 states and 47 transitions. [2020-07-28 18:07:59,360 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2020-07-28 18:07:59,361 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:07:59,361 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:07:59,361 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:07:59,361 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:07:59,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-07-28 18:07:59,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2020-07-28 18:07:59,363 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 27 [2020-07-28 18:07:59,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:07:59,363 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2020-07-28 18:07:59,364 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:07:59,364 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2020-07-28 18:07:59,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-07-28 18:07:59,365 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:07:59,365 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:07:59,365 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 18:07:59,365 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:07:59,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:07:59,366 INFO L82 PathProgramCache]: Analyzing trace with hash 883328756, now seen corresponding path program 1 times [2020-07-28 18:07:59,366 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:07:59,367 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763155750] [2020-07-28 18:07:59,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:07:59,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:07:59,445 INFO L280 TraceCheckUtils]: 0: Hoare triple {966#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {966#true} is VALID [2020-07-28 18:07:59,446 INFO L280 TraceCheckUtils]: 1: Hoare triple {966#true} havoc main_#res;havoc main_#t~ret11.base, main_#t~ret11.offset, main_#t~post12, main_~new_data~0, main_#t~ret14, main_#t~post13, main_~expected~0, main_~len~0, main_~data~0, main_~s~0.base, main_~s~0.offset, main_~i~0;main_~len~0 := 2;main_~data~0 := 1;sll_create_#in~len, sll_create_#in~data := main_~len~0, main_~data~0;havoc sll_create_#res.base, sll_create_#res.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset, sll_create_#t~post3, sll_create_~new_head~0.base, sll_create_~new_head~0.offset, sll_create_~len, sll_create_~data, sll_create_~head~0.base, sll_create_~head~0.offset;sll_create_~len := sll_create_#in~len;sll_create_~data := sll_create_#in~data;sll_create_~head~0.base, sll_create_~head~0.offset := 0, 0; {968#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:59,447 INFO L280 TraceCheckUtils]: 2: Hoare triple {968#(<= 2 ULTIMATE.start_main_~len~0)} assume !!(sll_create_~len > 0);node_create_#in~data := sll_create_~data;havoc node_create_#res.base, node_create_#res.offset;havoc node_create_#t~malloc2.base, node_create_#t~malloc2.offset, node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset;node_create_~data := node_create_#in~data;call node_create_#t~malloc2.base, node_create_#t~malloc2.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0.base, node_create_~temp~0.offset := node_create_#t~malloc2.base, node_create_#t~malloc2.offset; {968#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:59,448 INFO L280 TraceCheckUtils]: 3: Hoare triple {968#(<= 2 ULTIMATE.start_main_~len~0)} assume !(0 == node_create_~temp~0.base && 0 == node_create_~temp~0.offset); {968#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:59,448 INFO L280 TraceCheckUtils]: 4: Hoare triple {968#(<= 2 ULTIMATE.start_main_~len~0)} call write~$Pointer$(0, 0, node_create_~temp~0.base, 4 + node_create_~temp~0.offset, 4);call write~int(node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset, 4);node_create_#res.base, node_create_#res.offset := node_create_~temp~0.base, node_create_~temp~0.offset; {968#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:59,449 INFO L280 TraceCheckUtils]: 5: Hoare triple {968#(<= 2 ULTIMATE.start_main_~len~0)} sll_create_#t~ret4.base, sll_create_#t~ret4.offset := node_create_#res.base, node_create_#res.offset;sll_create_~new_head~0.base, sll_create_~new_head~0.offset := sll_create_#t~ret4.base, sll_create_#t~ret4.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset;call write~$Pointer$(sll_create_~head~0.base, sll_create_~head~0.offset, sll_create_~new_head~0.base, 4 + sll_create_~new_head~0.offset, 4);sll_create_~head~0.base, sll_create_~head~0.offset := sll_create_~new_head~0.base, sll_create_~new_head~0.offset; {968#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:59,450 INFO L280 TraceCheckUtils]: 6: Hoare triple {968#(<= 2 ULTIMATE.start_main_~len~0)} sll_create_#t~post3 := sll_create_~len;sll_create_~len := sll_create_#t~post3 - 1;havoc sll_create_#t~post3; {968#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:59,451 INFO L280 TraceCheckUtils]: 7: Hoare triple {968#(<= 2 ULTIMATE.start_main_~len~0)} assume !!(sll_create_~len > 0);node_create_#in~data := sll_create_~data;havoc node_create_#res.base, node_create_#res.offset;havoc node_create_#t~malloc2.base, node_create_#t~malloc2.offset, node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset;node_create_~data := node_create_#in~data;call node_create_#t~malloc2.base, node_create_#t~malloc2.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0.base, node_create_~temp~0.offset := node_create_#t~malloc2.base, node_create_#t~malloc2.offset; {968#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:59,451 INFO L280 TraceCheckUtils]: 8: Hoare triple {968#(<= 2 ULTIMATE.start_main_~len~0)} assume !(0 == node_create_~temp~0.base && 0 == node_create_~temp~0.offset); {968#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:59,452 INFO L280 TraceCheckUtils]: 9: Hoare triple {968#(<= 2 ULTIMATE.start_main_~len~0)} call write~$Pointer$(0, 0, node_create_~temp~0.base, 4 + node_create_~temp~0.offset, 4);call write~int(node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset, 4);node_create_#res.base, node_create_#res.offset := node_create_~temp~0.base, node_create_~temp~0.offset; {968#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:59,453 INFO L280 TraceCheckUtils]: 10: Hoare triple {968#(<= 2 ULTIMATE.start_main_~len~0)} sll_create_#t~ret4.base, sll_create_#t~ret4.offset := node_create_#res.base, node_create_#res.offset;sll_create_~new_head~0.base, sll_create_~new_head~0.offset := sll_create_#t~ret4.base, sll_create_#t~ret4.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset;call write~$Pointer$(sll_create_~head~0.base, sll_create_~head~0.offset, sll_create_~new_head~0.base, 4 + sll_create_~new_head~0.offset, 4);sll_create_~head~0.base, sll_create_~head~0.offset := sll_create_~new_head~0.base, sll_create_~new_head~0.offset; {968#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:59,453 INFO L280 TraceCheckUtils]: 11: Hoare triple {968#(<= 2 ULTIMATE.start_main_~len~0)} sll_create_#t~post3 := sll_create_~len;sll_create_~len := sll_create_#t~post3 - 1;havoc sll_create_#t~post3; {968#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:59,454 INFO L280 TraceCheckUtils]: 12: Hoare triple {968#(<= 2 ULTIMATE.start_main_~len~0)} assume !(sll_create_~len > 0); {968#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:59,455 INFO L280 TraceCheckUtils]: 13: Hoare triple {968#(<= 2 ULTIMATE.start_main_~len~0)} sll_create_#res.base, sll_create_#res.offset := sll_create_~head~0.base, sll_create_~head~0.offset; {968#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:59,456 INFO L280 TraceCheckUtils]: 14: Hoare triple {968#(<= 2 ULTIMATE.start_main_~len~0)} main_#t~ret11.base, main_#t~ret11.offset := sll_create_#res.base, sll_create_#res.offset;main_~s~0.base, main_~s~0.offset := main_#t~ret11.base, main_#t~ret11.offset;havoc main_#t~ret11.base, main_#t~ret11.offset;havoc main_~i~0;main_~i~0 := main_~len~0 - 1; {969#(<= 1 ULTIMATE.start_main_~i~0)} is VALID [2020-07-28 18:07:59,457 INFO L280 TraceCheckUtils]: 15: Hoare triple {969#(<= 1 ULTIMATE.start_main_~i~0)} assume !!(main_~i~0 >= 0);main_~new_data~0 := main_~i~0 + main_~len~0;sll_update_at_#in~head.base, sll_update_at_#in~head.offset, sll_update_at_#in~data, sll_update_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~new_data~0, main_~i~0;havoc sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset, sll_update_at_#t~post10, sll_update_at_~head.base, sll_update_at_~head.offset, sll_update_at_~data, sll_update_at_~index;sll_update_at_~head.base, sll_update_at_~head.offset := sll_update_at_#in~head.base, sll_update_at_#in~head.offset;sll_update_at_~data := sll_update_at_#in~data;sll_update_at_~index := sll_update_at_#in~index; {969#(<= 1 ULTIMATE.start_main_~i~0)} is VALID [2020-07-28 18:07:59,457 INFO L280 TraceCheckUtils]: 16: Hoare triple {969#(<= 1 ULTIMATE.start_main_~i~0)} assume !!(sll_update_at_~index > 0);call sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset := read~$Pointer$(sll_update_at_~head.base, 4 + sll_update_at_~head.offset, 4);sll_update_at_~head.base, sll_update_at_~head.offset := sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset;havoc sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset;sll_update_at_#t~post10 := sll_update_at_~index;sll_update_at_~index := sll_update_at_#t~post10 - 1;havoc sll_update_at_#t~post10; {969#(<= 1 ULTIMATE.start_main_~i~0)} is VALID [2020-07-28 18:07:59,458 INFO L280 TraceCheckUtils]: 17: Hoare triple {969#(<= 1 ULTIMATE.start_main_~i~0)} assume !(sll_update_at_~index > 0); {969#(<= 1 ULTIMATE.start_main_~i~0)} is VALID [2020-07-28 18:07:59,459 INFO L280 TraceCheckUtils]: 18: Hoare triple {969#(<= 1 ULTIMATE.start_main_~i~0)} call write~int(sll_update_at_~data, sll_update_at_~head.base, sll_update_at_~head.offset, 4); {969#(<= 1 ULTIMATE.start_main_~i~0)} is VALID [2020-07-28 18:07:59,460 INFO L280 TraceCheckUtils]: 19: Hoare triple {969#(<= 1 ULTIMATE.start_main_~i~0)} main_#t~post12 := main_~i~0;main_~i~0 := main_#t~post12 - 1;havoc main_#t~post12; {970#(<= 0 ULTIMATE.start_main_~i~0)} is VALID [2020-07-28 18:07:59,461 INFO L280 TraceCheckUtils]: 20: Hoare triple {970#(<= 0 ULTIMATE.start_main_~i~0)} assume !(main_~i~0 >= 0); {967#false} is VALID [2020-07-28 18:07:59,461 INFO L280 TraceCheckUtils]: 21: Hoare triple {967#false} main_~i~0 := main_~len~0 - 1; {967#false} is VALID [2020-07-28 18:07:59,461 INFO L280 TraceCheckUtils]: 22: Hoare triple {967#false} assume !!(main_~i~0 >= 0);main_~expected~0 := main_~i~0 + main_~len~0;sll_get_data_at_#in~head.base, sll_get_data_at_#in~head.offset, sll_get_data_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~i~0;havoc sll_get_data_at_#res;havoc sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset, sll_get_data_at_#t~post7, sll_get_data_at_#t~mem8, sll_get_data_at_~head.base, sll_get_data_at_~head.offset, sll_get_data_at_~index;sll_get_data_at_~head.base, sll_get_data_at_~head.offset := sll_get_data_at_#in~head.base, sll_get_data_at_#in~head.offset;sll_get_data_at_~index := sll_get_data_at_#in~index; {967#false} is VALID [2020-07-28 18:07:59,461 INFO L280 TraceCheckUtils]: 23: Hoare triple {967#false} assume !(sll_get_data_at_~index > 0); {967#false} is VALID [2020-07-28 18:07:59,462 INFO L280 TraceCheckUtils]: 24: Hoare triple {967#false} call sll_get_data_at_#t~mem8 := read~int(sll_get_data_at_~head.base, sll_get_data_at_~head.offset, 4);sll_get_data_at_#res := sll_get_data_at_#t~mem8;havoc sll_get_data_at_#t~mem8; {967#false} is VALID [2020-07-28 18:07:59,462 INFO L280 TraceCheckUtils]: 25: Hoare triple {967#false} main_#t~ret14 := sll_get_data_at_#res;assume -2147483648 <= main_#t~ret14 && main_#t~ret14 <= 2147483647; {967#false} is VALID [2020-07-28 18:07:59,462 INFO L280 TraceCheckUtils]: 26: Hoare triple {967#false} assume main_~expected~0 != main_#t~ret14;havoc main_#t~ret14; {967#false} is VALID [2020-07-28 18:07:59,463 INFO L280 TraceCheckUtils]: 27: Hoare triple {967#false} assume !false; {967#false} is VALID [2020-07-28 18:07:59,464 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-07-28 18:07:59,465 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763155750] [2020-07-28 18:07:59,465 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017891235] [2020-07-28 18:07:59,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-28 18:07:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:07:59,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-28 18:07:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:07:59,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 18:07:59,619 INFO L280 TraceCheckUtils]: 0: Hoare triple {966#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {966#true} is VALID [2020-07-28 18:07:59,620 INFO L280 TraceCheckUtils]: 1: Hoare triple {966#true} havoc main_#res;havoc main_#t~ret11.base, main_#t~ret11.offset, main_#t~post12, main_~new_data~0, main_#t~ret14, main_#t~post13, main_~expected~0, main_~len~0, main_~data~0, main_~s~0.base, main_~s~0.offset, main_~i~0;main_~len~0 := 2;main_~data~0 := 1;sll_create_#in~len, sll_create_#in~data := main_~len~0, main_~data~0;havoc sll_create_#res.base, sll_create_#res.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset, sll_create_#t~post3, sll_create_~new_head~0.base, sll_create_~new_head~0.offset, sll_create_~len, sll_create_~data, sll_create_~head~0.base, sll_create_~head~0.offset;sll_create_~len := sll_create_#in~len;sll_create_~data := sll_create_#in~data;sll_create_~head~0.base, sll_create_~head~0.offset := 0, 0; {968#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:59,620 INFO L280 TraceCheckUtils]: 2: Hoare triple {968#(<= 2 ULTIMATE.start_main_~len~0)} assume !!(sll_create_~len > 0);node_create_#in~data := sll_create_~data;havoc node_create_#res.base, node_create_#res.offset;havoc node_create_#t~malloc2.base, node_create_#t~malloc2.offset, node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset;node_create_~data := node_create_#in~data;call node_create_#t~malloc2.base, node_create_#t~malloc2.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0.base, node_create_~temp~0.offset := node_create_#t~malloc2.base, node_create_#t~malloc2.offset; {968#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:59,621 INFO L280 TraceCheckUtils]: 3: Hoare triple {968#(<= 2 ULTIMATE.start_main_~len~0)} assume !(0 == node_create_~temp~0.base && 0 == node_create_~temp~0.offset); {968#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:59,622 INFO L280 TraceCheckUtils]: 4: Hoare triple {968#(<= 2 ULTIMATE.start_main_~len~0)} call write~$Pointer$(0, 0, node_create_~temp~0.base, 4 + node_create_~temp~0.offset, 4);call write~int(node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset, 4);node_create_#res.base, node_create_#res.offset := node_create_~temp~0.base, node_create_~temp~0.offset; {968#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:59,622 INFO L280 TraceCheckUtils]: 5: Hoare triple {968#(<= 2 ULTIMATE.start_main_~len~0)} sll_create_#t~ret4.base, sll_create_#t~ret4.offset := node_create_#res.base, node_create_#res.offset;sll_create_~new_head~0.base, sll_create_~new_head~0.offset := sll_create_#t~ret4.base, sll_create_#t~ret4.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset;call write~$Pointer$(sll_create_~head~0.base, sll_create_~head~0.offset, sll_create_~new_head~0.base, 4 + sll_create_~new_head~0.offset, 4);sll_create_~head~0.base, sll_create_~head~0.offset := sll_create_~new_head~0.base, sll_create_~new_head~0.offset; {968#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:59,623 INFO L280 TraceCheckUtils]: 6: Hoare triple {968#(<= 2 ULTIMATE.start_main_~len~0)} sll_create_#t~post3 := sll_create_~len;sll_create_~len := sll_create_#t~post3 - 1;havoc sll_create_#t~post3; {968#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:59,623 INFO L280 TraceCheckUtils]: 7: Hoare triple {968#(<= 2 ULTIMATE.start_main_~len~0)} assume !!(sll_create_~len > 0);node_create_#in~data := sll_create_~data;havoc node_create_#res.base, node_create_#res.offset;havoc node_create_#t~malloc2.base, node_create_#t~malloc2.offset, node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset;node_create_~data := node_create_#in~data;call node_create_#t~malloc2.base, node_create_#t~malloc2.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0.base, node_create_~temp~0.offset := node_create_#t~malloc2.base, node_create_#t~malloc2.offset; {968#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:59,624 INFO L280 TraceCheckUtils]: 8: Hoare triple {968#(<= 2 ULTIMATE.start_main_~len~0)} assume !(0 == node_create_~temp~0.base && 0 == node_create_~temp~0.offset); {968#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:59,625 INFO L280 TraceCheckUtils]: 9: Hoare triple {968#(<= 2 ULTIMATE.start_main_~len~0)} call write~$Pointer$(0, 0, node_create_~temp~0.base, 4 + node_create_~temp~0.offset, 4);call write~int(node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset, 4);node_create_#res.base, node_create_#res.offset := node_create_~temp~0.base, node_create_~temp~0.offset; {968#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:59,626 INFO L280 TraceCheckUtils]: 10: Hoare triple {968#(<= 2 ULTIMATE.start_main_~len~0)} sll_create_#t~ret4.base, sll_create_#t~ret4.offset := node_create_#res.base, node_create_#res.offset;sll_create_~new_head~0.base, sll_create_~new_head~0.offset := sll_create_#t~ret4.base, sll_create_#t~ret4.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset;call write~$Pointer$(sll_create_~head~0.base, sll_create_~head~0.offset, sll_create_~new_head~0.base, 4 + sll_create_~new_head~0.offset, 4);sll_create_~head~0.base, sll_create_~head~0.offset := sll_create_~new_head~0.base, sll_create_~new_head~0.offset; {968#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:59,626 INFO L280 TraceCheckUtils]: 11: Hoare triple {968#(<= 2 ULTIMATE.start_main_~len~0)} sll_create_#t~post3 := sll_create_~len;sll_create_~len := sll_create_#t~post3 - 1;havoc sll_create_#t~post3; {968#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:59,627 INFO L280 TraceCheckUtils]: 12: Hoare triple {968#(<= 2 ULTIMATE.start_main_~len~0)} assume !(sll_create_~len > 0); {968#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:59,628 INFO L280 TraceCheckUtils]: 13: Hoare triple {968#(<= 2 ULTIMATE.start_main_~len~0)} sll_create_#res.base, sll_create_#res.offset := sll_create_~head~0.base, sll_create_~head~0.offset; {968#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:07:59,629 INFO L280 TraceCheckUtils]: 14: Hoare triple {968#(<= 2 ULTIMATE.start_main_~len~0)} main_#t~ret11.base, main_#t~ret11.offset := sll_create_#res.base, sll_create_#res.offset;main_~s~0.base, main_~s~0.offset := main_#t~ret11.base, main_#t~ret11.offset;havoc main_#t~ret11.base, main_#t~ret11.offset;havoc main_~i~0;main_~i~0 := main_~len~0 - 1; {969#(<= 1 ULTIMATE.start_main_~i~0)} is VALID [2020-07-28 18:07:59,630 INFO L280 TraceCheckUtils]: 15: Hoare triple {969#(<= 1 ULTIMATE.start_main_~i~0)} assume !!(main_~i~0 >= 0);main_~new_data~0 := main_~i~0 + main_~len~0;sll_update_at_#in~head.base, sll_update_at_#in~head.offset, sll_update_at_#in~data, sll_update_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~new_data~0, main_~i~0;havoc sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset, sll_update_at_#t~post10, sll_update_at_~head.base, sll_update_at_~head.offset, sll_update_at_~data, sll_update_at_~index;sll_update_at_~head.base, sll_update_at_~head.offset := sll_update_at_#in~head.base, sll_update_at_#in~head.offset;sll_update_at_~data := sll_update_at_#in~data;sll_update_at_~index := sll_update_at_#in~index; {969#(<= 1 ULTIMATE.start_main_~i~0)} is VALID [2020-07-28 18:07:59,630 INFO L280 TraceCheckUtils]: 16: Hoare triple {969#(<= 1 ULTIMATE.start_main_~i~0)} assume !!(sll_update_at_~index > 0);call sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset := read~$Pointer$(sll_update_at_~head.base, 4 + sll_update_at_~head.offset, 4);sll_update_at_~head.base, sll_update_at_~head.offset := sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset;havoc sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset;sll_update_at_#t~post10 := sll_update_at_~index;sll_update_at_~index := sll_update_at_#t~post10 - 1;havoc sll_update_at_#t~post10; {969#(<= 1 ULTIMATE.start_main_~i~0)} is VALID [2020-07-28 18:07:59,631 INFO L280 TraceCheckUtils]: 17: Hoare triple {969#(<= 1 ULTIMATE.start_main_~i~0)} assume !(sll_update_at_~index > 0); {969#(<= 1 ULTIMATE.start_main_~i~0)} is VALID [2020-07-28 18:07:59,632 INFO L280 TraceCheckUtils]: 18: Hoare triple {969#(<= 1 ULTIMATE.start_main_~i~0)} call write~int(sll_update_at_~data, sll_update_at_~head.base, sll_update_at_~head.offset, 4); {969#(<= 1 ULTIMATE.start_main_~i~0)} is VALID [2020-07-28 18:07:59,633 INFO L280 TraceCheckUtils]: 19: Hoare triple {969#(<= 1 ULTIMATE.start_main_~i~0)} main_#t~post12 := main_~i~0;main_~i~0 := main_#t~post12 - 1;havoc main_#t~post12; {970#(<= 0 ULTIMATE.start_main_~i~0)} is VALID [2020-07-28 18:07:59,634 INFO L280 TraceCheckUtils]: 20: Hoare triple {970#(<= 0 ULTIMATE.start_main_~i~0)} assume !(main_~i~0 >= 0); {967#false} is VALID [2020-07-28 18:07:59,634 INFO L280 TraceCheckUtils]: 21: Hoare triple {967#false} main_~i~0 := main_~len~0 - 1; {967#false} is VALID [2020-07-28 18:07:59,634 INFO L280 TraceCheckUtils]: 22: Hoare triple {967#false} assume !!(main_~i~0 >= 0);main_~expected~0 := main_~i~0 + main_~len~0;sll_get_data_at_#in~head.base, sll_get_data_at_#in~head.offset, sll_get_data_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~i~0;havoc sll_get_data_at_#res;havoc sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset, sll_get_data_at_#t~post7, sll_get_data_at_#t~mem8, sll_get_data_at_~head.base, sll_get_data_at_~head.offset, sll_get_data_at_~index;sll_get_data_at_~head.base, sll_get_data_at_~head.offset := sll_get_data_at_#in~head.base, sll_get_data_at_#in~head.offset;sll_get_data_at_~index := sll_get_data_at_#in~index; {967#false} is VALID [2020-07-28 18:07:59,634 INFO L280 TraceCheckUtils]: 23: Hoare triple {967#false} assume !(sll_get_data_at_~index > 0); {967#false} is VALID [2020-07-28 18:07:59,635 INFO L280 TraceCheckUtils]: 24: Hoare triple {967#false} call sll_get_data_at_#t~mem8 := read~int(sll_get_data_at_~head.base, sll_get_data_at_~head.offset, 4);sll_get_data_at_#res := sll_get_data_at_#t~mem8;havoc sll_get_data_at_#t~mem8; {967#false} is VALID [2020-07-28 18:07:59,635 INFO L280 TraceCheckUtils]: 25: Hoare triple {967#false} main_#t~ret14 := sll_get_data_at_#res;assume -2147483648 <= main_#t~ret14 && main_#t~ret14 <= 2147483647; {967#false} is VALID [2020-07-28 18:07:59,635 INFO L280 TraceCheckUtils]: 26: Hoare triple {967#false} assume main_~expected~0 != main_#t~ret14;havoc main_#t~ret14; {967#false} is VALID [2020-07-28 18:07:59,636 INFO L280 TraceCheckUtils]: 27: Hoare triple {967#false} assume !false; {967#false} is VALID [2020-07-28 18:07:59,637 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-07-28 18:07:59,637 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-28 18:07:59,637 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2020-07-28 18:07:59,638 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049791837] [2020-07-28 18:07:59,638 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-07-28 18:07:59,639 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:07:59,639 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:07:59,668 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:07:59,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:07:59,669 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:07:59,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:07:59,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:07:59,670 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand 5 states. [2020-07-28 18:07:59,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:07:59,840 INFO L93 Difference]: Finished difference Result 52 states and 60 transitions. [2020-07-28 18:07:59,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 18:07:59,840 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-07-28 18:07:59,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:07:59,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:07:59,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 53 transitions. [2020-07-28 18:07:59,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:07:59,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 53 transitions. [2020-07-28 18:07:59,843 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 53 transitions. [2020-07-28 18:07:59,905 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:07:59,907 INFO L225 Difference]: With dead ends: 52 [2020-07-28 18:07:59,907 INFO L226 Difference]: Without dead ends: 43 [2020-07-28 18:07:59,907 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-28 18:07:59,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-07-28 18:07:59,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 34. [2020-07-28 18:07:59,948 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:07:59,948 INFO L82 GeneralOperation]: Start isEquivalent. First operand 43 states. Second operand 34 states. [2020-07-28 18:07:59,949 INFO L74 IsIncluded]: Start isIncluded. First operand 43 states. Second operand 34 states. [2020-07-28 18:07:59,949 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 34 states. [2020-07-28 18:07:59,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:07:59,951 INFO L93 Difference]: Finished difference Result 43 states and 49 transitions. [2020-07-28 18:07:59,951 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2020-07-28 18:07:59,951 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:07:59,951 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:07:59,952 INFO L74 IsIncluded]: Start isIncluded. First operand 34 states. Second operand 43 states. [2020-07-28 18:07:59,952 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 43 states. [2020-07-28 18:07:59,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:07:59,954 INFO L93 Difference]: Finished difference Result 43 states and 49 transitions. [2020-07-28 18:07:59,954 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2020-07-28 18:07:59,955 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:07:59,955 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:07:59,955 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:07:59,955 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:07:59,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-07-28 18:07:59,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 39 transitions. [2020-07-28 18:07:59,957 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 39 transitions. Word has length 28 [2020-07-28 18:07:59,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:07:59,957 INFO L479 AbstractCegarLoop]: Abstraction has 34 states and 39 transitions. [2020-07-28 18:07:59,958 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:07:59,958 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2020-07-28 18:07:59,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-28 18:07:59,959 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:07:59,959 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:08:00,171 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-28 18:08:00,172 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:08:00,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:08:00,173 INFO L82 PathProgramCache]: Analyzing trace with hash -1177402658, now seen corresponding path program 2 times [2020-07-28 18:08:00,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:08:00,174 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292397133] [2020-07-28 18:08:00,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:08:00,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:08:00,254 INFO L280 TraceCheckUtils]: 0: Hoare triple {1271#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {1271#true} is VALID [2020-07-28 18:08:00,255 INFO L280 TraceCheckUtils]: 1: Hoare triple {1271#true} havoc main_#res;havoc main_#t~ret11.base, main_#t~ret11.offset, main_#t~post12, main_~new_data~0, main_#t~ret14, main_#t~post13, main_~expected~0, main_~len~0, main_~data~0, main_~s~0.base, main_~s~0.offset, main_~i~0;main_~len~0 := 2;main_~data~0 := 1;sll_create_#in~len, sll_create_#in~data := main_~len~0, main_~data~0;havoc sll_create_#res.base, sll_create_#res.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset, sll_create_#t~post3, sll_create_~new_head~0.base, sll_create_~new_head~0.offset, sll_create_~len, sll_create_~data, sll_create_~head~0.base, sll_create_~head~0.offset;sll_create_~len := sll_create_#in~len;sll_create_~data := sll_create_#in~data;sll_create_~head~0.base, sll_create_~head~0.offset := 0, 0; {1273#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:08:00,256 INFO L280 TraceCheckUtils]: 2: Hoare triple {1273#(<= 2 ULTIMATE.start_main_~len~0)} assume !!(sll_create_~len > 0);node_create_#in~data := sll_create_~data;havoc node_create_#res.base, node_create_#res.offset;havoc node_create_#t~malloc2.base, node_create_#t~malloc2.offset, node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset;node_create_~data := node_create_#in~data;call node_create_#t~malloc2.base, node_create_#t~malloc2.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0.base, node_create_~temp~0.offset := node_create_#t~malloc2.base, node_create_#t~malloc2.offset; {1273#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:08:00,257 INFO L280 TraceCheckUtils]: 3: Hoare triple {1273#(<= 2 ULTIMATE.start_main_~len~0)} assume !(0 == node_create_~temp~0.base && 0 == node_create_~temp~0.offset); {1273#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:08:00,258 INFO L280 TraceCheckUtils]: 4: Hoare triple {1273#(<= 2 ULTIMATE.start_main_~len~0)} call write~$Pointer$(0, 0, node_create_~temp~0.base, 4 + node_create_~temp~0.offset, 4);call write~int(node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset, 4);node_create_#res.base, node_create_#res.offset := node_create_~temp~0.base, node_create_~temp~0.offset; {1273#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:08:00,258 INFO L280 TraceCheckUtils]: 5: Hoare triple {1273#(<= 2 ULTIMATE.start_main_~len~0)} sll_create_#t~ret4.base, sll_create_#t~ret4.offset := node_create_#res.base, node_create_#res.offset;sll_create_~new_head~0.base, sll_create_~new_head~0.offset := sll_create_#t~ret4.base, sll_create_#t~ret4.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset;call write~$Pointer$(sll_create_~head~0.base, sll_create_~head~0.offset, sll_create_~new_head~0.base, 4 + sll_create_~new_head~0.offset, 4);sll_create_~head~0.base, sll_create_~head~0.offset := sll_create_~new_head~0.base, sll_create_~new_head~0.offset; {1273#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:08:00,259 INFO L280 TraceCheckUtils]: 6: Hoare triple {1273#(<= 2 ULTIMATE.start_main_~len~0)} sll_create_#t~post3 := sll_create_~len;sll_create_~len := sll_create_#t~post3 - 1;havoc sll_create_#t~post3; {1273#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:08:00,260 INFO L280 TraceCheckUtils]: 7: Hoare triple {1273#(<= 2 ULTIMATE.start_main_~len~0)} assume !!(sll_create_~len > 0);node_create_#in~data := sll_create_~data;havoc node_create_#res.base, node_create_#res.offset;havoc node_create_#t~malloc2.base, node_create_#t~malloc2.offset, node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset;node_create_~data := node_create_#in~data;call node_create_#t~malloc2.base, node_create_#t~malloc2.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0.base, node_create_~temp~0.offset := node_create_#t~malloc2.base, node_create_#t~malloc2.offset; {1273#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:08:00,260 INFO L280 TraceCheckUtils]: 8: Hoare triple {1273#(<= 2 ULTIMATE.start_main_~len~0)} assume !(0 == node_create_~temp~0.base && 0 == node_create_~temp~0.offset); {1273#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:08:00,261 INFO L280 TraceCheckUtils]: 9: Hoare triple {1273#(<= 2 ULTIMATE.start_main_~len~0)} call write~$Pointer$(0, 0, node_create_~temp~0.base, 4 + node_create_~temp~0.offset, 4);call write~int(node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset, 4);node_create_#res.base, node_create_#res.offset := node_create_~temp~0.base, node_create_~temp~0.offset; {1273#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:08:00,262 INFO L280 TraceCheckUtils]: 10: Hoare triple {1273#(<= 2 ULTIMATE.start_main_~len~0)} sll_create_#t~ret4.base, sll_create_#t~ret4.offset := node_create_#res.base, node_create_#res.offset;sll_create_~new_head~0.base, sll_create_~new_head~0.offset := sll_create_#t~ret4.base, sll_create_#t~ret4.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset;call write~$Pointer$(sll_create_~head~0.base, sll_create_~head~0.offset, sll_create_~new_head~0.base, 4 + sll_create_~new_head~0.offset, 4);sll_create_~head~0.base, sll_create_~head~0.offset := sll_create_~new_head~0.base, sll_create_~new_head~0.offset; {1273#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:08:00,262 INFO L280 TraceCheckUtils]: 11: Hoare triple {1273#(<= 2 ULTIMATE.start_main_~len~0)} sll_create_#t~post3 := sll_create_~len;sll_create_~len := sll_create_#t~post3 - 1;havoc sll_create_#t~post3; {1273#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:08:00,263 INFO L280 TraceCheckUtils]: 12: Hoare triple {1273#(<= 2 ULTIMATE.start_main_~len~0)} assume !(sll_create_~len > 0); {1273#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:08:00,264 INFO L280 TraceCheckUtils]: 13: Hoare triple {1273#(<= 2 ULTIMATE.start_main_~len~0)} sll_create_#res.base, sll_create_#res.offset := sll_create_~head~0.base, sll_create_~head~0.offset; {1273#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:08:00,264 INFO L280 TraceCheckUtils]: 14: Hoare triple {1273#(<= 2 ULTIMATE.start_main_~len~0)} main_#t~ret11.base, main_#t~ret11.offset := sll_create_#res.base, sll_create_#res.offset;main_~s~0.base, main_~s~0.offset := main_#t~ret11.base, main_#t~ret11.offset;havoc main_#t~ret11.base, main_#t~ret11.offset;havoc main_~i~0;main_~i~0 := main_~len~0 - 1; {1273#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:08:00,265 INFO L280 TraceCheckUtils]: 15: Hoare triple {1273#(<= 2 ULTIMATE.start_main_~len~0)} assume !!(main_~i~0 >= 0);main_~new_data~0 := main_~i~0 + main_~len~0;sll_update_at_#in~head.base, sll_update_at_#in~head.offset, sll_update_at_#in~data, sll_update_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~new_data~0, main_~i~0;havoc sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset, sll_update_at_#t~post10, sll_update_at_~head.base, sll_update_at_~head.offset, sll_update_at_~data, sll_update_at_~index;sll_update_at_~head.base, sll_update_at_~head.offset := sll_update_at_#in~head.base, sll_update_at_#in~head.offset;sll_update_at_~data := sll_update_at_#in~data;sll_update_at_~index := sll_update_at_#in~index; {1273#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:08:00,265 INFO L280 TraceCheckUtils]: 16: Hoare triple {1273#(<= 2 ULTIMATE.start_main_~len~0)} assume !!(sll_update_at_~index > 0);call sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset := read~$Pointer$(sll_update_at_~head.base, 4 + sll_update_at_~head.offset, 4);sll_update_at_~head.base, sll_update_at_~head.offset := sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset;havoc sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset;sll_update_at_#t~post10 := sll_update_at_~index;sll_update_at_~index := sll_update_at_#t~post10 - 1;havoc sll_update_at_#t~post10; {1273#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:08:00,266 INFO L280 TraceCheckUtils]: 17: Hoare triple {1273#(<= 2 ULTIMATE.start_main_~len~0)} assume !(sll_update_at_~index > 0); {1273#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:08:00,267 INFO L280 TraceCheckUtils]: 18: Hoare triple {1273#(<= 2 ULTIMATE.start_main_~len~0)} call write~int(sll_update_at_~data, sll_update_at_~head.base, sll_update_at_~head.offset, 4); {1273#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:08:00,268 INFO L280 TraceCheckUtils]: 19: Hoare triple {1273#(<= 2 ULTIMATE.start_main_~len~0)} main_#t~post12 := main_~i~0;main_~i~0 := main_#t~post12 - 1;havoc main_#t~post12; {1273#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:08:00,268 INFO L280 TraceCheckUtils]: 20: Hoare triple {1273#(<= 2 ULTIMATE.start_main_~len~0)} assume !!(main_~i~0 >= 0);main_~new_data~0 := main_~i~0 + main_~len~0;sll_update_at_#in~head.base, sll_update_at_#in~head.offset, sll_update_at_#in~data, sll_update_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~new_data~0, main_~i~0;havoc sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset, sll_update_at_#t~post10, sll_update_at_~head.base, sll_update_at_~head.offset, sll_update_at_~data, sll_update_at_~index;sll_update_at_~head.base, sll_update_at_~head.offset := sll_update_at_#in~head.base, sll_update_at_#in~head.offset;sll_update_at_~data := sll_update_at_#in~data;sll_update_at_~index := sll_update_at_#in~index; {1273#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:08:00,269 INFO L280 TraceCheckUtils]: 21: Hoare triple {1273#(<= 2 ULTIMATE.start_main_~len~0)} assume !(sll_update_at_~index > 0); {1273#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:08:00,270 INFO L280 TraceCheckUtils]: 22: Hoare triple {1273#(<= 2 ULTIMATE.start_main_~len~0)} call write~int(sll_update_at_~data, sll_update_at_~head.base, sll_update_at_~head.offset, 4); {1273#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:08:00,270 INFO L280 TraceCheckUtils]: 23: Hoare triple {1273#(<= 2 ULTIMATE.start_main_~len~0)} main_#t~post12 := main_~i~0;main_~i~0 := main_#t~post12 - 1;havoc main_#t~post12; {1273#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:08:00,272 INFO L280 TraceCheckUtils]: 24: Hoare triple {1273#(<= 2 ULTIMATE.start_main_~len~0)} assume !(main_~i~0 >= 0); {1273#(<= 2 ULTIMATE.start_main_~len~0)} is VALID [2020-07-28 18:08:00,277 INFO L280 TraceCheckUtils]: 25: Hoare triple {1273#(<= 2 ULTIMATE.start_main_~len~0)} main_~i~0 := main_~len~0 - 1; {1274#(<= 1 ULTIMATE.start_main_~i~0)} is VALID [2020-07-28 18:08:00,279 INFO L280 TraceCheckUtils]: 26: Hoare triple {1274#(<= 1 ULTIMATE.start_main_~i~0)} assume !!(main_~i~0 >= 0);main_~expected~0 := main_~i~0 + main_~len~0;sll_get_data_at_#in~head.base, sll_get_data_at_#in~head.offset, sll_get_data_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~i~0;havoc sll_get_data_at_#res;havoc sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset, sll_get_data_at_#t~post7, sll_get_data_at_#t~mem8, sll_get_data_at_~head.base, sll_get_data_at_~head.offset, sll_get_data_at_~index;sll_get_data_at_~head.base, sll_get_data_at_~head.offset := sll_get_data_at_#in~head.base, sll_get_data_at_#in~head.offset;sll_get_data_at_~index := sll_get_data_at_#in~index; {1275#(<= 1 ULTIMATE.start_sll_get_data_at_~index)} is VALID [2020-07-28 18:08:00,280 INFO L280 TraceCheckUtils]: 27: Hoare triple {1275#(<= 1 ULTIMATE.start_sll_get_data_at_~index)} assume !(sll_get_data_at_~index > 0); {1272#false} is VALID [2020-07-28 18:08:00,281 INFO L280 TraceCheckUtils]: 28: Hoare triple {1272#false} call sll_get_data_at_#t~mem8 := read~int(sll_get_data_at_~head.base, sll_get_data_at_~head.offset, 4);sll_get_data_at_#res := sll_get_data_at_#t~mem8;havoc sll_get_data_at_#t~mem8; {1272#false} is VALID [2020-07-28 18:08:00,281 INFO L280 TraceCheckUtils]: 29: Hoare triple {1272#false} main_#t~ret14 := sll_get_data_at_#res;assume -2147483648 <= main_#t~ret14 && main_#t~ret14 <= 2147483647; {1272#false} is VALID [2020-07-28 18:08:00,281 INFO L280 TraceCheckUtils]: 30: Hoare triple {1272#false} assume main_~expected~0 != main_#t~ret14;havoc main_#t~ret14; {1272#false} is VALID [2020-07-28 18:08:00,282 INFO L280 TraceCheckUtils]: 31: Hoare triple {1272#false} assume !false; {1272#false} is VALID [2020-07-28 18:08:00,283 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-28 18:08:00,284 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292397133] [2020-07-28 18:08:00,284 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:08:00,284 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 18:08:00,285 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750161988] [2020-07-28 18:08:00,285 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-07-28 18:08:00,285 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:08:00,285 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:08:00,317 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:08:00,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:08:00,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:08:00,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:08:00,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:08:00,318 INFO L87 Difference]: Start difference. First operand 34 states and 39 transitions. Second operand 5 states. [2020-07-28 18:08:00,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:08:00,501 INFO L93 Difference]: Finished difference Result 51 states and 59 transitions. [2020-07-28 18:08:00,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 18:08:00,501 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-07-28 18:08:00,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:08:00,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:08:00,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 51 transitions. [2020-07-28 18:08:00,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:08:00,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 51 transitions. [2020-07-28 18:08:00,505 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 51 transitions. [2020-07-28 18:08:00,567 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:08:00,568 INFO L225 Difference]: With dead ends: 51 [2020-07-28 18:08:00,569 INFO L226 Difference]: Without dead ends: 43 [2020-07-28 18:08:00,569 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 18:08:00,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-07-28 18:08:00,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 36. [2020-07-28 18:08:00,602 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:08:00,602 INFO L82 GeneralOperation]: Start isEquivalent. First operand 43 states. Second operand 36 states. [2020-07-28 18:08:00,602 INFO L74 IsIncluded]: Start isIncluded. First operand 43 states. Second operand 36 states. [2020-07-28 18:08:00,603 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 36 states. [2020-07-28 18:08:00,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:08:00,605 INFO L93 Difference]: Finished difference Result 43 states and 49 transitions. [2020-07-28 18:08:00,605 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2020-07-28 18:08:00,605 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:08:00,605 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:08:00,605 INFO L74 IsIncluded]: Start isIncluded. First operand 36 states. Second operand 43 states. [2020-07-28 18:08:00,606 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 43 states. [2020-07-28 18:08:00,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:08:00,608 INFO L93 Difference]: Finished difference Result 43 states and 49 transitions. [2020-07-28 18:08:00,608 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2020-07-28 18:08:00,608 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:08:00,608 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:08:00,609 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:08:00,609 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:08:00,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-07-28 18:08:00,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 41 transitions. [2020-07-28 18:08:00,611 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 41 transitions. Word has length 32 [2020-07-28 18:08:00,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:08:00,611 INFO L479 AbstractCegarLoop]: Abstraction has 36 states and 41 transitions. [2020-07-28 18:08:00,611 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:08:00,611 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2020-07-28 18:08:00,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-28 18:08:00,612 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:08:00,612 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:08:00,613 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 18:08:00,613 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:08:00,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:08:00,613 INFO L82 PathProgramCache]: Analyzing trace with hash -2088089927, now seen corresponding path program 1 times [2020-07-28 18:08:00,614 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:08:00,614 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317331057] [2020-07-28 18:08:00,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:08:00,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:08:01,546 INFO L280 TraceCheckUtils]: 0: Hoare triple {1498#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {1498#true} is VALID [2020-07-28 18:08:01,546 INFO L280 TraceCheckUtils]: 1: Hoare triple {1498#true} havoc main_#res;havoc main_#t~ret11.base, main_#t~ret11.offset, main_#t~post12, main_~new_data~0, main_#t~ret14, main_#t~post13, main_~expected~0, main_~len~0, main_~data~0, main_~s~0.base, main_~s~0.offset, main_~i~0;main_~len~0 := 2;main_~data~0 := 1;sll_create_#in~len, sll_create_#in~data := main_~len~0, main_~data~0;havoc sll_create_#res.base, sll_create_#res.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset, sll_create_#t~post3, sll_create_~new_head~0.base, sll_create_~new_head~0.offset, sll_create_~len, sll_create_~data, sll_create_~head~0.base, sll_create_~head~0.offset;sll_create_~len := sll_create_#in~len;sll_create_~data := sll_create_#in~data;sll_create_~head~0.base, sll_create_~head~0.offset := 0, 0; {1498#true} is VALID [2020-07-28 18:08:01,549 INFO L280 TraceCheckUtils]: 2: Hoare triple {1498#true} assume !!(sll_create_~len > 0);node_create_#in~data := sll_create_~data;havoc node_create_#res.base, node_create_#res.offset;havoc node_create_#t~malloc2.base, node_create_#t~malloc2.offset, node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset;node_create_~data := node_create_#in~data;call node_create_#t~malloc2.base, node_create_#t~malloc2.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0.base, node_create_~temp~0.offset := node_create_#t~malloc2.base, node_create_#t~malloc2.offset; {1500#(= 1 (select |#valid| ULTIMATE.start_node_create_~temp~0.base))} is VALID [2020-07-28 18:08:01,550 INFO L280 TraceCheckUtils]: 3: Hoare triple {1500#(= 1 (select |#valid| ULTIMATE.start_node_create_~temp~0.base))} assume !(0 == node_create_~temp~0.base && 0 == node_create_~temp~0.offset); {1500#(= 1 (select |#valid| ULTIMATE.start_node_create_~temp~0.base))} is VALID [2020-07-28 18:08:01,552 INFO L280 TraceCheckUtils]: 4: Hoare triple {1500#(= 1 (select |#valid| ULTIMATE.start_node_create_~temp~0.base))} call write~$Pointer$(0, 0, node_create_~temp~0.base, 4 + node_create_~temp~0.offset, 4);call write~int(node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset, 4);node_create_#res.base, node_create_#res.offset := node_create_~temp~0.base, node_create_~temp~0.offset; {1501#(= (select |#valid| |ULTIMATE.start_node_create_#res.base|) 1)} is VALID [2020-07-28 18:08:01,559 INFO L280 TraceCheckUtils]: 5: Hoare triple {1501#(= (select |#valid| |ULTIMATE.start_node_create_#res.base|) 1)} sll_create_#t~ret4.base, sll_create_#t~ret4.offset := node_create_#res.base, node_create_#res.offset;sll_create_~new_head~0.base, sll_create_~new_head~0.offset := sll_create_#t~ret4.base, sll_create_#t~ret4.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset;call write~$Pointer$(sll_create_~head~0.base, sll_create_~head~0.offset, sll_create_~new_head~0.base, 4 + sll_create_~new_head~0.offset, 4);sll_create_~head~0.base, sll_create_~head~0.offset := sll_create_~new_head~0.base, sll_create_~new_head~0.offset; {1502#(= 1 (select |#valid| ULTIMATE.start_sll_create_~head~0.base))} is VALID [2020-07-28 18:08:01,560 INFO L280 TraceCheckUtils]: 6: Hoare triple {1502#(= 1 (select |#valid| ULTIMATE.start_sll_create_~head~0.base))} sll_create_#t~post3 := sll_create_~len;sll_create_~len := sll_create_#t~post3 - 1;havoc sll_create_#t~post3; {1502#(= 1 (select |#valid| ULTIMATE.start_sll_create_~head~0.base))} is VALID [2020-07-28 18:08:01,562 INFO L280 TraceCheckUtils]: 7: Hoare triple {1502#(= 1 (select |#valid| ULTIMATE.start_sll_create_~head~0.base))} assume !!(sll_create_~len > 0);node_create_#in~data := sll_create_~data;havoc node_create_#res.base, node_create_#res.offset;havoc node_create_#t~malloc2.base, node_create_#t~malloc2.offset, node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset;node_create_~data := node_create_#in~data;call node_create_#t~malloc2.base, node_create_#t~malloc2.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0.base, node_create_~temp~0.offset := node_create_#t~malloc2.base, node_create_#t~malloc2.offset; {1503#(and (= 0 ULTIMATE.start_node_create_~temp~0.offset) (not (= ULTIMATE.start_sll_create_~head~0.base ULTIMATE.start_node_create_~temp~0.base)))} is VALID [2020-07-28 18:08:01,563 INFO L280 TraceCheckUtils]: 8: Hoare triple {1503#(and (= 0 ULTIMATE.start_node_create_~temp~0.offset) (not (= ULTIMATE.start_sll_create_~head~0.base ULTIMATE.start_node_create_~temp~0.base)))} assume !(0 == node_create_~temp~0.base && 0 == node_create_~temp~0.offset); {1503#(and (= 0 ULTIMATE.start_node_create_~temp~0.offset) (not (= ULTIMATE.start_sll_create_~head~0.base ULTIMATE.start_node_create_~temp~0.base)))} is VALID [2020-07-28 18:08:01,564 INFO L280 TraceCheckUtils]: 9: Hoare triple {1503#(and (= 0 ULTIMATE.start_node_create_~temp~0.offset) (not (= ULTIMATE.start_sll_create_~head~0.base ULTIMATE.start_node_create_~temp~0.base)))} call write~$Pointer$(0, 0, node_create_~temp~0.base, 4 + node_create_~temp~0.offset, 4);call write~int(node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset, 4);node_create_#res.base, node_create_#res.offset := node_create_~temp~0.base, node_create_~temp~0.offset; {1504#(and (= 0 |ULTIMATE.start_node_create_#res.offset|) (not (= |ULTIMATE.start_node_create_#res.base| ULTIMATE.start_sll_create_~head~0.base)))} is VALID [2020-07-28 18:08:01,566 INFO L280 TraceCheckUtils]: 10: Hoare triple {1504#(and (= 0 |ULTIMATE.start_node_create_#res.offset|) (not (= |ULTIMATE.start_node_create_#res.base| ULTIMATE.start_sll_create_~head~0.base)))} sll_create_#t~ret4.base, sll_create_#t~ret4.offset := node_create_#res.base, node_create_#res.offset;sll_create_~new_head~0.base, sll_create_~new_head~0.offset := sll_create_#t~ret4.base, sll_create_#t~ret4.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset;call write~$Pointer$(sll_create_~head~0.base, sll_create_~head~0.offset, sll_create_~new_head~0.base, 4 + sll_create_~new_head~0.offset, 4);sll_create_~head~0.base, sll_create_~head~0.offset := sll_create_~new_head~0.base, sll_create_~new_head~0.offset; {1505#(and (not (= ULTIMATE.start_sll_create_~head~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_create_~head~0.base) 4))) (= 0 ULTIMATE.start_sll_create_~head~0.offset))} is VALID [2020-07-28 18:08:01,567 INFO L280 TraceCheckUtils]: 11: Hoare triple {1505#(and (not (= ULTIMATE.start_sll_create_~head~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_create_~head~0.base) 4))) (= 0 ULTIMATE.start_sll_create_~head~0.offset))} sll_create_#t~post3 := sll_create_~len;sll_create_~len := sll_create_#t~post3 - 1;havoc sll_create_#t~post3; {1505#(and (not (= ULTIMATE.start_sll_create_~head~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_create_~head~0.base) 4))) (= 0 ULTIMATE.start_sll_create_~head~0.offset))} is VALID [2020-07-28 18:08:01,568 INFO L280 TraceCheckUtils]: 12: Hoare triple {1505#(and (not (= ULTIMATE.start_sll_create_~head~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_create_~head~0.base) 4))) (= 0 ULTIMATE.start_sll_create_~head~0.offset))} assume !(sll_create_~len > 0); {1505#(and (not (= ULTIMATE.start_sll_create_~head~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_create_~head~0.base) 4))) (= 0 ULTIMATE.start_sll_create_~head~0.offset))} is VALID [2020-07-28 18:08:01,569 INFO L280 TraceCheckUtils]: 13: Hoare triple {1505#(and (not (= ULTIMATE.start_sll_create_~head~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_create_~head~0.base) 4))) (= 0 ULTIMATE.start_sll_create_~head~0.offset))} sll_create_#res.base, sll_create_#res.offset := sll_create_~head~0.base, sll_create_~head~0.offset; {1506#(and (= 0 |ULTIMATE.start_sll_create_#res.offset|) (not (= |ULTIMATE.start_sll_create_#res.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res.base|) 4))))} is VALID [2020-07-28 18:08:01,571 INFO L280 TraceCheckUtils]: 14: Hoare triple {1506#(and (= 0 |ULTIMATE.start_sll_create_#res.offset|) (not (= |ULTIMATE.start_sll_create_#res.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res.base|) 4))))} main_#t~ret11.base, main_#t~ret11.offset := sll_create_#res.base, sll_create_#res.offset;main_~s~0.base, main_~s~0.offset := main_#t~ret11.base, main_#t~ret11.offset;havoc main_#t~ret11.base, main_#t~ret11.offset;havoc main_~i~0;main_~i~0 := main_~len~0 - 1; {1507#(and (= 0 ULTIMATE.start_main_~s~0.offset) (<= ULTIMATE.start_main_~len~0 (+ ULTIMATE.start_main_~i~0 1)) (not (= ULTIMATE.start_main_~s~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) 4))) (<= (+ ULTIMATE.start_main_~i~0 1) ULTIMATE.start_main_~len~0))} is VALID [2020-07-28 18:08:01,573 INFO L280 TraceCheckUtils]: 15: Hoare triple {1507#(and (= 0 ULTIMATE.start_main_~s~0.offset) (<= ULTIMATE.start_main_~len~0 (+ ULTIMATE.start_main_~i~0 1)) (not (= ULTIMATE.start_main_~s~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) 4))) (<= (+ ULTIMATE.start_main_~i~0 1) ULTIMATE.start_main_~len~0))} assume !!(main_~i~0 >= 0);main_~new_data~0 := main_~i~0 + main_~len~0;sll_update_at_#in~head.base, sll_update_at_#in~head.offset, sll_update_at_#in~data, sll_update_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~new_data~0, main_~i~0;havoc sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset, sll_update_at_#t~post10, sll_update_at_~head.base, sll_update_at_~head.offset, sll_update_at_~data, sll_update_at_~index;sll_update_at_~head.base, sll_update_at_~head.offset := sll_update_at_#in~head.base, sll_update_at_#in~head.offset;sll_update_at_~data := sll_update_at_#in~data;sll_update_at_~index := sll_update_at_#in~index; {1508#(and (= 0 ULTIMATE.start_main_~s~0.offset) (<= (+ ULTIMATE.start_sll_update_at_~data 1) (* 2 ULTIMATE.start_main_~len~0)) (= (select (select |#memory_$Pointer$.offset| ULTIMATE.start_sll_update_at_~head.base) (+ ULTIMATE.start_sll_update_at_~head.offset 4)) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) 4)) (<= (* 2 ULTIMATE.start_main_~len~0) (+ ULTIMATE.start_sll_update_at_~data 1)) (= 0 ULTIMATE.start_sll_update_at_~head.offset) (= (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_update_at_~head.base) (+ ULTIMATE.start_sll_update_at_~head.offset 4)) (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) 4)) (not (= ULTIMATE.start_main_~s~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_update_at_~head.base) (+ ULTIMATE.start_sll_update_at_~head.offset 4)))))} is VALID [2020-07-28 18:08:01,574 INFO L280 TraceCheckUtils]: 16: Hoare triple {1508#(and (= 0 ULTIMATE.start_main_~s~0.offset) (<= (+ ULTIMATE.start_sll_update_at_~data 1) (* 2 ULTIMATE.start_main_~len~0)) (= (select (select |#memory_$Pointer$.offset| ULTIMATE.start_sll_update_at_~head.base) (+ ULTIMATE.start_sll_update_at_~head.offset 4)) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) 4)) (<= (* 2 ULTIMATE.start_main_~len~0) (+ ULTIMATE.start_sll_update_at_~data 1)) (= 0 ULTIMATE.start_sll_update_at_~head.offset) (= (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_update_at_~head.base) (+ ULTIMATE.start_sll_update_at_~head.offset 4)) (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) 4)) (not (= ULTIMATE.start_main_~s~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_update_at_~head.base) (+ ULTIMATE.start_sll_update_at_~head.offset 4)))))} assume !!(sll_update_at_~index > 0);call sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset := read~$Pointer$(sll_update_at_~head.base, 4 + sll_update_at_~head.offset, 4);sll_update_at_~head.base, sll_update_at_~head.offset := sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset;havoc sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset;sll_update_at_#t~post10 := sll_update_at_~index;sll_update_at_~index := sll_update_at_#t~post10 - 1;havoc sll_update_at_#t~post10; {1509#(and (= 0 ULTIMATE.start_main_~s~0.offset) (<= (+ ULTIMATE.start_sll_update_at_~data 1) (* 2 ULTIMATE.start_main_~len~0)) (<= (* 2 ULTIMATE.start_main_~len~0) (+ ULTIMATE.start_sll_update_at_~data 1)) (= ULTIMATE.start_sll_update_at_~head.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) 4)) (not (= ULTIMATE.start_main_~s~0.base ULTIMATE.start_sll_update_at_~head.base)) (= (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) 4) ULTIMATE.start_sll_update_at_~head.offset))} is VALID [2020-07-28 18:08:01,576 INFO L280 TraceCheckUtils]: 17: Hoare triple {1509#(and (= 0 ULTIMATE.start_main_~s~0.offset) (<= (+ ULTIMATE.start_sll_update_at_~data 1) (* 2 ULTIMATE.start_main_~len~0)) (<= (* 2 ULTIMATE.start_main_~len~0) (+ ULTIMATE.start_sll_update_at_~data 1)) (= ULTIMATE.start_sll_update_at_~head.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) 4)) (not (= ULTIMATE.start_main_~s~0.base ULTIMATE.start_sll_update_at_~head.base)) (= (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) 4) ULTIMATE.start_sll_update_at_~head.offset))} assume !(sll_update_at_~index > 0); {1509#(and (= 0 ULTIMATE.start_main_~s~0.offset) (<= (+ ULTIMATE.start_sll_update_at_~data 1) (* 2 ULTIMATE.start_main_~len~0)) (<= (* 2 ULTIMATE.start_main_~len~0) (+ ULTIMATE.start_sll_update_at_~data 1)) (= ULTIMATE.start_sll_update_at_~head.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) 4)) (not (= ULTIMATE.start_main_~s~0.base ULTIMATE.start_sll_update_at_~head.base)) (= (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) 4) ULTIMATE.start_sll_update_at_~head.offset))} is VALID [2020-07-28 18:08:01,578 INFO L280 TraceCheckUtils]: 18: Hoare triple {1509#(and (= 0 ULTIMATE.start_main_~s~0.offset) (<= (+ ULTIMATE.start_sll_update_at_~data 1) (* 2 ULTIMATE.start_main_~len~0)) (<= (* 2 ULTIMATE.start_main_~len~0) (+ ULTIMATE.start_sll_update_at_~data 1)) (= ULTIMATE.start_sll_update_at_~head.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) 4)) (not (= ULTIMATE.start_main_~s~0.base ULTIMATE.start_sll_update_at_~head.base)) (= (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) 4) ULTIMATE.start_sll_update_at_~head.offset))} call write~int(sll_update_at_~data, sll_update_at_~head.base, sll_update_at_~head.offset, 4); {1510#(and (= 0 ULTIMATE.start_main_~s~0.offset) (not (= ULTIMATE.start_main_~s~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) 4))) (<= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) 4)) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) 4)) 1) (* 2 ULTIMATE.start_main_~len~0)) (<= (* 2 ULTIMATE.start_main_~len~0) (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) 4)) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) 4)) 1)))} is VALID [2020-07-28 18:08:01,579 INFO L280 TraceCheckUtils]: 19: Hoare triple {1510#(and (= 0 ULTIMATE.start_main_~s~0.offset) (not (= ULTIMATE.start_main_~s~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) 4))) (<= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) 4)) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) 4)) 1) (* 2 ULTIMATE.start_main_~len~0)) (<= (* 2 ULTIMATE.start_main_~len~0) (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) 4)) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) 4)) 1)))} main_#t~post12 := main_~i~0;main_~i~0 := main_#t~post12 - 1;havoc main_#t~post12; {1510#(and (= 0 ULTIMATE.start_main_~s~0.offset) (not (= ULTIMATE.start_main_~s~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) 4))) (<= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) 4)) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) 4)) 1) (* 2 ULTIMATE.start_main_~len~0)) (<= (* 2 ULTIMATE.start_main_~len~0) (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) 4)) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) 4)) 1)))} is VALID [2020-07-28 18:08:01,580 INFO L280 TraceCheckUtils]: 20: Hoare triple {1510#(and (= 0 ULTIMATE.start_main_~s~0.offset) (not (= ULTIMATE.start_main_~s~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) 4))) (<= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) 4)) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) 4)) 1) (* 2 ULTIMATE.start_main_~len~0)) (<= (* 2 ULTIMATE.start_main_~len~0) (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) 4)) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) 4)) 1)))} assume !!(main_~i~0 >= 0);main_~new_data~0 := main_~i~0 + main_~len~0;sll_update_at_#in~head.base, sll_update_at_#in~head.offset, sll_update_at_#in~data, sll_update_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~new_data~0, main_~i~0;havoc sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset, sll_update_at_#t~post10, sll_update_at_~head.base, sll_update_at_~head.offset, sll_update_at_~data, sll_update_at_~index;sll_update_at_~head.base, sll_update_at_~head.offset := sll_update_at_#in~head.base, sll_update_at_#in~head.offset;sll_update_at_~data := sll_update_at_#in~data;sll_update_at_~index := sll_update_at_#in~index; {1511#(and (not (= (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_update_at_~head.base) 4) ULTIMATE.start_sll_update_at_~head.base)) (= 0 ULTIMATE.start_main_~s~0.offset) (= ULTIMATE.start_main_~s~0.base ULTIMATE.start_sll_update_at_~head.base) (not (= 4 ULTIMATE.start_sll_update_at_~head.offset)) (<= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_update_at_~head.base) 4)) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_sll_update_at_~head.base) 4)) 1) (* 2 ULTIMATE.start_main_~len~0)) (<= (* 2 ULTIMATE.start_main_~len~0) (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_update_at_~head.base) 4)) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_sll_update_at_~head.base) 4)) 1)))} is VALID [2020-07-28 18:08:01,581 INFO L280 TraceCheckUtils]: 21: Hoare triple {1511#(and (not (= (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_update_at_~head.base) 4) ULTIMATE.start_sll_update_at_~head.base)) (= 0 ULTIMATE.start_main_~s~0.offset) (= ULTIMATE.start_main_~s~0.base ULTIMATE.start_sll_update_at_~head.base) (not (= 4 ULTIMATE.start_sll_update_at_~head.offset)) (<= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_update_at_~head.base) 4)) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_sll_update_at_~head.base) 4)) 1) (* 2 ULTIMATE.start_main_~len~0)) (<= (* 2 ULTIMATE.start_main_~len~0) (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_update_at_~head.base) 4)) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_sll_update_at_~head.base) 4)) 1)))} assume !(sll_update_at_~index > 0); {1511#(and (not (= (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_update_at_~head.base) 4) ULTIMATE.start_sll_update_at_~head.base)) (= 0 ULTIMATE.start_main_~s~0.offset) (= ULTIMATE.start_main_~s~0.base ULTIMATE.start_sll_update_at_~head.base) (not (= 4 ULTIMATE.start_sll_update_at_~head.offset)) (<= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_update_at_~head.base) 4)) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_sll_update_at_~head.base) 4)) 1) (* 2 ULTIMATE.start_main_~len~0)) (<= (* 2 ULTIMATE.start_main_~len~0) (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_update_at_~head.base) 4)) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_sll_update_at_~head.base) 4)) 1)))} is VALID [2020-07-28 18:08:01,584 INFO L280 TraceCheckUtils]: 22: Hoare triple {1511#(and (not (= (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_update_at_~head.base) 4) ULTIMATE.start_sll_update_at_~head.base)) (= 0 ULTIMATE.start_main_~s~0.offset) (= ULTIMATE.start_main_~s~0.base ULTIMATE.start_sll_update_at_~head.base) (not (= 4 ULTIMATE.start_sll_update_at_~head.offset)) (<= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_update_at_~head.base) 4)) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_sll_update_at_~head.base) 4)) 1) (* 2 ULTIMATE.start_main_~len~0)) (<= (* 2 ULTIMATE.start_main_~len~0) (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_update_at_~head.base) 4)) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_sll_update_at_~head.base) 4)) 1)))} call write~int(sll_update_at_~data, sll_update_at_~head.base, sll_update_at_~head.offset, 4); {1512#(and (= 0 ULTIMATE.start_main_~s~0.offset) (<= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) 4)) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) 4)) 1) (* 2 ULTIMATE.start_main_~len~0)) (<= (* 2 ULTIMATE.start_main_~len~0) (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) 4)) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) 4)) 1)))} is VALID [2020-07-28 18:08:01,585 INFO L280 TraceCheckUtils]: 23: Hoare triple {1512#(and (= 0 ULTIMATE.start_main_~s~0.offset) (<= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) 4)) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) 4)) 1) (* 2 ULTIMATE.start_main_~len~0)) (<= (* 2 ULTIMATE.start_main_~len~0) (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) 4)) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) 4)) 1)))} main_#t~post12 := main_~i~0;main_~i~0 := main_#t~post12 - 1;havoc main_#t~post12; {1512#(and (= 0 ULTIMATE.start_main_~s~0.offset) (<= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) 4)) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) 4)) 1) (* 2 ULTIMATE.start_main_~len~0)) (<= (* 2 ULTIMATE.start_main_~len~0) (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) 4)) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) 4)) 1)))} is VALID [2020-07-28 18:08:01,586 INFO L280 TraceCheckUtils]: 24: Hoare triple {1512#(and (= 0 ULTIMATE.start_main_~s~0.offset) (<= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) 4)) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) 4)) 1) (* 2 ULTIMATE.start_main_~len~0)) (<= (* 2 ULTIMATE.start_main_~len~0) (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) 4)) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) 4)) 1)))} assume !(main_~i~0 >= 0); {1512#(and (= 0 ULTIMATE.start_main_~s~0.offset) (<= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) 4)) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) 4)) 1) (* 2 ULTIMATE.start_main_~len~0)) (<= (* 2 ULTIMATE.start_main_~len~0) (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) 4)) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) 4)) 1)))} is VALID [2020-07-28 18:08:01,587 INFO L280 TraceCheckUtils]: 25: Hoare triple {1512#(and (= 0 ULTIMATE.start_main_~s~0.offset) (<= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) 4)) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) 4)) 1) (* 2 ULTIMATE.start_main_~len~0)) (<= (* 2 ULTIMATE.start_main_~len~0) (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) 4)) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) 4)) 1)))} main_~i~0 := main_~len~0 - 1; {1513#(and (= 0 ULTIMATE.start_main_~s~0.offset) (<= (+ ULTIMATE.start_main_~len~0 ULTIMATE.start_main_~i~0) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) 4)) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) 4))) (<= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) 4)) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) 4)) (+ ULTIMATE.start_main_~len~0 ULTIMATE.start_main_~i~0)))} is VALID [2020-07-28 18:08:01,591 INFO L280 TraceCheckUtils]: 26: Hoare triple {1513#(and (= 0 ULTIMATE.start_main_~s~0.offset) (<= (+ ULTIMATE.start_main_~len~0 ULTIMATE.start_main_~i~0) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) 4)) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) 4))) (<= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) 4)) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) 4)) (+ ULTIMATE.start_main_~len~0 ULTIMATE.start_main_~i~0)))} assume !!(main_~i~0 >= 0);main_~expected~0 := main_~i~0 + main_~len~0;sll_get_data_at_#in~head.base, sll_get_data_at_#in~head.offset, sll_get_data_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~i~0;havoc sll_get_data_at_#res;havoc sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset, sll_get_data_at_#t~post7, sll_get_data_at_#t~mem8, sll_get_data_at_~head.base, sll_get_data_at_~head.offset, sll_get_data_at_~index;sll_get_data_at_~head.base, sll_get_data_at_~head.offset := sll_get_data_at_#in~head.base, sll_get_data_at_#in~head.offset;sll_get_data_at_~index := sll_get_data_at_#in~index; {1514#(and (= ULTIMATE.start_sll_get_data_at_~head.offset 0) (<= ULTIMATE.start_main_~expected~0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_get_data_at_~head.base) (+ ULTIMATE.start_sll_get_data_at_~head.offset 4))) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_sll_get_data_at_~head.base) (+ ULTIMATE.start_sll_get_data_at_~head.offset 4)))) (<= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_get_data_at_~head.base) (+ ULTIMATE.start_sll_get_data_at_~head.offset 4))) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_sll_get_data_at_~head.base) (+ ULTIMATE.start_sll_get_data_at_~head.offset 4))) ULTIMATE.start_main_~expected~0))} is VALID [2020-07-28 18:08:01,597 INFO L280 TraceCheckUtils]: 27: Hoare triple {1514#(and (= ULTIMATE.start_sll_get_data_at_~head.offset 0) (<= ULTIMATE.start_main_~expected~0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_get_data_at_~head.base) (+ ULTIMATE.start_sll_get_data_at_~head.offset 4))) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_sll_get_data_at_~head.base) (+ ULTIMATE.start_sll_get_data_at_~head.offset 4)))) (<= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_get_data_at_~head.base) (+ ULTIMATE.start_sll_get_data_at_~head.offset 4))) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_sll_get_data_at_~head.base) (+ ULTIMATE.start_sll_get_data_at_~head.offset 4))) ULTIMATE.start_main_~expected~0))} assume !!(sll_get_data_at_~index > 0);call sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset := read~$Pointer$(sll_get_data_at_~head.base, 4 + sll_get_data_at_~head.offset, 4);sll_get_data_at_~head.base, sll_get_data_at_~head.offset := sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset;havoc sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset;sll_get_data_at_#t~post7 := sll_get_data_at_~index;sll_get_data_at_~index := sll_get_data_at_#t~post7 - 1;havoc sll_get_data_at_#t~post7; {1515#(and (<= ULTIMATE.start_main_~expected~0 (select (select |#memory_int| ULTIMATE.start_sll_get_data_at_~head.base) ULTIMATE.start_sll_get_data_at_~head.offset)) (<= (select (select |#memory_int| ULTIMATE.start_sll_get_data_at_~head.base) ULTIMATE.start_sll_get_data_at_~head.offset) ULTIMATE.start_main_~expected~0))} is VALID [2020-07-28 18:08:01,598 INFO L280 TraceCheckUtils]: 28: Hoare triple {1515#(and (<= ULTIMATE.start_main_~expected~0 (select (select |#memory_int| ULTIMATE.start_sll_get_data_at_~head.base) ULTIMATE.start_sll_get_data_at_~head.offset)) (<= (select (select |#memory_int| ULTIMATE.start_sll_get_data_at_~head.base) ULTIMATE.start_sll_get_data_at_~head.offset) ULTIMATE.start_main_~expected~0))} assume !(sll_get_data_at_~index > 0); {1515#(and (<= ULTIMATE.start_main_~expected~0 (select (select |#memory_int| ULTIMATE.start_sll_get_data_at_~head.base) ULTIMATE.start_sll_get_data_at_~head.offset)) (<= (select (select |#memory_int| ULTIMATE.start_sll_get_data_at_~head.base) ULTIMATE.start_sll_get_data_at_~head.offset) ULTIMATE.start_main_~expected~0))} is VALID [2020-07-28 18:08:01,599 INFO L280 TraceCheckUtils]: 29: Hoare triple {1515#(and (<= ULTIMATE.start_main_~expected~0 (select (select |#memory_int| ULTIMATE.start_sll_get_data_at_~head.base) ULTIMATE.start_sll_get_data_at_~head.offset)) (<= (select (select |#memory_int| ULTIMATE.start_sll_get_data_at_~head.base) ULTIMATE.start_sll_get_data_at_~head.offset) ULTIMATE.start_main_~expected~0))} call sll_get_data_at_#t~mem8 := read~int(sll_get_data_at_~head.base, sll_get_data_at_~head.offset, 4);sll_get_data_at_#res := sll_get_data_at_#t~mem8;havoc sll_get_data_at_#t~mem8; {1516#(and (<= |ULTIMATE.start_sll_get_data_at_#res| ULTIMATE.start_main_~expected~0) (<= ULTIMATE.start_main_~expected~0 |ULTIMATE.start_sll_get_data_at_#res|))} is VALID [2020-07-28 18:08:01,601 INFO L280 TraceCheckUtils]: 30: Hoare triple {1516#(and (<= |ULTIMATE.start_sll_get_data_at_#res| ULTIMATE.start_main_~expected~0) (<= ULTIMATE.start_main_~expected~0 |ULTIMATE.start_sll_get_data_at_#res|))} main_#t~ret14 := sll_get_data_at_#res;assume -2147483648 <= main_#t~ret14 && main_#t~ret14 <= 2147483647; {1517#(and (<= ULTIMATE.start_main_~expected~0 |ULTIMATE.start_main_#t~ret14|) (< |ULTIMATE.start_main_#t~ret14| (+ ULTIMATE.start_main_~expected~0 1)))} is VALID [2020-07-28 18:08:01,602 INFO L280 TraceCheckUtils]: 31: Hoare triple {1517#(and (<= ULTIMATE.start_main_~expected~0 |ULTIMATE.start_main_#t~ret14|) (< |ULTIMATE.start_main_#t~ret14| (+ ULTIMATE.start_main_~expected~0 1)))} assume main_~expected~0 != main_#t~ret14;havoc main_#t~ret14; {1499#false} is VALID [2020-07-28 18:08:01,602 INFO L280 TraceCheckUtils]: 32: Hoare triple {1499#false} assume !false; {1499#false} is VALID [2020-07-28 18:08:01,611 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:08:01,612 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317331057] [2020-07-28 18:08:01,613 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666333467] [2020-07-28 18:08:01,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-28 18:08:01,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:08:01,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 89 conjunts are in the unsatisfiable core [2020-07-28 18:08:01,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:08:01,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 18:08:01,772 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-07-28 18:08:01,773 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-28 18:08:01,779 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-28 18:08:01,780 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-28 18:08:01,780 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-07-28 18:08:01,784 WARN L406 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2020-07-28 18:08:01,784 WARN L407 uantifierElimination]: Input elimination task: ∃ [|v_#valid_7|]. (= (store |v_#valid_7| ULTIMATE.start_node_create_~temp~0.base 1) |#valid|) [2020-07-28 18:08:01,785 WARN L408 uantifierElimination]: ElimStorePlain result: ∃ []. (= 1 (select |#valid| ULTIMATE.start_node_create_~temp~0.base)) [2020-07-28 18:08:01,822 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-28 18:08:01,823 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2020-07-28 18:08:01,824 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-28 18:08:01,826 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-28 18:08:01,827 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-28 18:08:01,827 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:4 [2020-07-28 18:08:01,947 INFO L384 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 13 treesize of output 9 [2020-07-28 18:08:01,947 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-28 18:08:01,954 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-28 18:08:01,955 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-28 18:08:01,955 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:10 [2020-07-28 18:08:01,959 WARN L406 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2020-07-28 18:08:01,959 WARN L407 uantifierElimination]: Input elimination task: ∃ [|v_#memory_$Pointer$.base_11|, v_ULTIMATE.start_sll_create_~head~0.base_6]. (and (= |#memory_$Pointer$.base| (store |v_#memory_$Pointer$.base_11| ULTIMATE.start_sll_create_~head~0.base (store (select |v_#memory_$Pointer$.base_11| ULTIMATE.start_sll_create_~head~0.base) (+ ULTIMATE.start_sll_create_~head~0.offset 4) v_ULTIMATE.start_sll_create_~head~0.base_6))) (not (= v_ULTIMATE.start_sll_create_~head~0.base_6 ULTIMATE.start_sll_create_~head~0.base))) [2020-07-28 18:08:01,959 WARN L408 uantifierElimination]: ElimStorePlain result: ∃ []. (not (= ULTIMATE.start_sll_create_~head~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_create_~head~0.base) (+ ULTIMATE.start_sll_create_~head~0.offset 4)))) [2020-07-28 18:08:02,290 INFO L440 ElimStorePlain]: Different costs {0=[|v_#memory_int_10|], 2=[|v_#memory_$Pointer$.base_12|, |v_#memory_$Pointer$.offset_11|]} [2020-07-28 18:08:02,296 INFO L384 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 33 treesize of output 23 [2020-07-28 18:08:02,297 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-28 18:08:02,311 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-28 18:08:02,350 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-28 18:08:02,350 INFO L384 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 124 treesize of output 136 [2020-07-28 18:08:02,380 INFO L342 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 3, 2, 1] term [2020-07-28 18:08:02,380 INFO L523 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-28 18:08:02,381 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-28 18:08:02,400 INFO L624 ElimStorePlain]: treesize reduction 48, result has 62.2 percent of original size [2020-07-28 18:08:02,410 INFO L384 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 53 [2020-07-28 18:08:02,411 INFO L544 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-07-28 18:08:02,425 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-28 18:08:02,425 INFO L544 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-28 18:08:02,426 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:134, output treesize:34 [2020-07-28 18:08:02,438 WARN L406 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2020-07-28 18:08:02,439 WARN L407 uantifierElimination]: Input elimination task: ∃ [|v_#memory_$Pointer$.base_12|, |v_#memory_int_10|, |v_#memory_$Pointer$.offset_11|]. (let ((.cse2 (+ ULTIMATE.start_main_~s~0.offset 4))) (let ((.cse0 (select (select |v_#memory_$Pointer$.base_12| ULTIMATE.start_main_~s~0.base) .cse2)) (.cse1 (select (select |v_#memory_$Pointer$.offset_11| ULTIMATE.start_main_~s~0.base) .cse2))) (and (not (= .cse0 ULTIMATE.start_main_~s~0.base)) (= (store |v_#memory_$Pointer$.offset_11| .cse0 (store (select |v_#memory_$Pointer$.offset_11| .cse0) .cse1 (select (select |#memory_$Pointer$.offset| .cse0) .cse1))) |#memory_$Pointer$.offset|) (= |#memory_$Pointer$.base| (store |v_#memory_$Pointer$.base_12| .cse0 (store (select |v_#memory_$Pointer$.base_12| .cse0) .cse1 (select (select |#memory_$Pointer$.base| .cse0) .cse1)))) (= |#memory_int| (store |v_#memory_int_10| .cse0 (store (select |v_#memory_int_10| .cse0) .cse1 (+ (* 2 ULTIMATE.start_main_~len~0) (- 1)))))))) [2020-07-28 18:08:02,439 WARN L408 uantifierElimination]: ElimStorePlain result: ∃ []. (let ((.cse1 (+ ULTIMATE.start_main_~s~0.offset 4))) (let ((.cse0 (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) .cse1))) (and (not (= ULTIMATE.start_main_~s~0.base .cse0)) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) .cse1)) (+ (* ULTIMATE.start_main_~len~0 2) (- 1)))))) [2020-07-28 18:08:02,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-28 18:08:02,665 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 31 [2020-07-28 18:08:02,676 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-28 18:08:02,693 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-28 18:08:02,707 INFO L384 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 35 treesize of output 34 [2020-07-28 18:08:02,709 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-28 18:08:02,725 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-28 18:08:02,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-28 18:08:02,734 INFO L384 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 39 treesize of output 27 [2020-07-28 18:08:02,735 INFO L544 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-07-28 18:08:02,749 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-28 18:08:02,757 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-28 18:08:02,758 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:78, output treesize:34 [2020-07-28 18:08:02,767 WARN L406 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2020-07-28 18:08:02,768 WARN L407 uantifierElimination]: Input elimination task: ∃ [|v_#memory_$Pointer$.base_13|, |v_#memory_int_11|, |v_#memory_$Pointer$.offset_12|, ULTIMATE.start_sll_update_at_~head.offset, ULTIMATE.start_sll_update_at_~data]. (let ((.cse0 (select |v_#memory_$Pointer$.base_13| ULTIMATE.start_main_~s~0.base)) (.cse3 (+ ULTIMATE.start_main_~s~0.offset 4))) (let ((.cse1 (select .cse0 .cse3)) (.cse2 (select |v_#memory_$Pointer$.offset_12| ULTIMATE.start_main_~s~0.base))) (and (= |#memory_$Pointer$.base| (store |v_#memory_$Pointer$.base_13| ULTIMATE.start_main_~s~0.base (store .cse0 ULTIMATE.start_sll_update_at_~head.offset (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_sll_update_at_~head.offset)))) (<= ULTIMATE.start_sll_update_at_~head.offset ULTIMATE.start_main_~s~0.offset) (not (= .cse1 ULTIMATE.start_main_~s~0.base)) (= (+ (select (select |v_#memory_int_11| .cse1) (select .cse2 .cse3)) 1) (* 2 ULTIMATE.start_main_~len~0)) (= |#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_12| ULTIMATE.start_main_~s~0.base (store .cse2 ULTIMATE.start_sll_update_at_~head.offset (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_sll_update_at_~head.offset)))) (= (store |v_#memory_int_11| ULTIMATE.start_main_~s~0.base (store (select |v_#memory_int_11| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_sll_update_at_~head.offset ULTIMATE.start_sll_update_at_~data)) |#memory_int|)))) [2020-07-28 18:08:02,768 WARN L408 uantifierElimination]: ElimStorePlain result: ∃ []. (let ((.cse1 (+ ULTIMATE.start_main_~s~0.offset 4))) (let ((.cse0 (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) .cse1))) (and (= (+ (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) .cse1)) 1) (* 2 ULTIMATE.start_main_~len~0)) (not (= ULTIMATE.start_main_~s~0.base .cse0))))) [2020-07-28 18:08:02,992 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2020-07-28 18:08:02,994 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-28 18:08:03,008 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-28 18:08:03,013 INFO L384 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 34 treesize of output 22 [2020-07-28 18:08:03,013 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-28 18:08:03,023 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-28 18:08:03,028 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-28 18:08:03,029 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:66, output treesize:26 [2020-07-28 18:08:03,032 WARN L406 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2020-07-28 18:08:03,033 WARN L407 uantifierElimination]: Input elimination task: ∃ [|#memory_$Pointer$.base|, v_ULTIMATE.start_sll_get_data_at_~head.base_6, v_ULTIMATE.start_sll_get_data_at_~head.offset_6, |#memory_$Pointer$.offset|]. (let ((.cse2 (+ v_ULTIMATE.start_sll_get_data_at_~head.offset_6 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| v_ULTIMATE.start_sll_get_data_at_~head.base_6) .cse2)) (.cse0 (select (select |#memory_$Pointer$.offset| v_ULTIMATE.start_sll_get_data_at_~head.base_6) .cse2))) (and (= ULTIMATE.start_sll_get_data_at_~head.offset .cse0) (not (= .cse1 v_ULTIMATE.start_sll_get_data_at_~head.base_6)) (= ULTIMATE.start_sll_get_data_at_~head.base .cse1) (= (+ (select (select |#memory_int| .cse1) .cse0) (* (div (+ ULTIMATE.start_main_~expected~0 (- 1)) 2) 2) 1) (* 2 ULTIMATE.start_main_~expected~0)) (= 0 (mod (+ ULTIMATE.start_main_~expected~0 1) 2))))) [2020-07-28 18:08:03,033 WARN L408 uantifierElimination]: ElimStorePlain result: ∃ []. (and (= (+ (* (div (+ ULTIMATE.start_main_~expected~0 (- 1)) 2) 2) (select (select |#memory_int| ULTIMATE.start_sll_get_data_at_~head.base) ULTIMATE.start_sll_get_data_at_~head.offset) 1) (* 2 ULTIMATE.start_main_~expected~0)) (= 0 (mod (+ ULTIMATE.start_main_~expected~0 1) 2))) [2020-07-28 18:08:03,151 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2020-07-28 18:08:03,154 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-28 18:08:03,164 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-28 18:08:03,165 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-28 18:08:03,165 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:33, output treesize:22 [2020-07-28 18:08:03,167 WARN L406 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2020-07-28 18:08:03,167 WARN L407 uantifierElimination]: Input elimination task: ∃ [|#memory_int|, ULTIMATE.start_sll_get_data_at_~head.base, ULTIMATE.start_sll_get_data_at_~head.offset]. (let ((.cse0 (select (select |#memory_int| ULTIMATE.start_sll_get_data_at_~head.base) ULTIMATE.start_sll_get_data_at_~head.offset))) (and (= (+ (* 2 (div (+ ULTIMATE.start_main_~expected~0 (- 1)) 2)) .cse0 1) (* 2 ULTIMATE.start_main_~expected~0)) (= .cse0 |ULTIMATE.start_sll_get_data_at_#res|) (= 0 (mod (+ ULTIMATE.start_main_~expected~0 1) 2)))) [2020-07-28 18:08:03,168 WARN L408 uantifierElimination]: ElimStorePlain result: ∃ []. (and (= (+ (* (- 2) (div (+ ULTIMATE.start_main_~expected~0 (- 1)) 2)) (* 2 ULTIMATE.start_main_~expected~0) (- 1)) |ULTIMATE.start_sll_get_data_at_#res|) (= 0 (mod (+ ULTIMATE.start_main_~expected~0 1) 2))) [2020-07-28 18:08:03,363 INFO L280 TraceCheckUtils]: 0: Hoare triple {1498#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {1498#true} is VALID [2020-07-28 18:08:03,363 INFO L280 TraceCheckUtils]: 1: Hoare triple {1498#true} havoc main_#res;havoc main_#t~ret11.base, main_#t~ret11.offset, main_#t~post12, main_~new_data~0, main_#t~ret14, main_#t~post13, main_~expected~0, main_~len~0, main_~data~0, main_~s~0.base, main_~s~0.offset, main_~i~0;main_~len~0 := 2;main_~data~0 := 1;sll_create_#in~len, sll_create_#in~data := main_~len~0, main_~data~0;havoc sll_create_#res.base, sll_create_#res.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset, sll_create_#t~post3, sll_create_~new_head~0.base, sll_create_~new_head~0.offset, sll_create_~len, sll_create_~data, sll_create_~head~0.base, sll_create_~head~0.offset;sll_create_~len := sll_create_#in~len;sll_create_~data := sll_create_#in~data;sll_create_~head~0.base, sll_create_~head~0.offset := 0, 0; {1498#true} is VALID [2020-07-28 18:08:03,364 INFO L280 TraceCheckUtils]: 2: Hoare triple {1498#true} assume !!(sll_create_~len > 0);node_create_#in~data := sll_create_~data;havoc node_create_#res.base, node_create_#res.offset;havoc node_create_#t~malloc2.base, node_create_#t~malloc2.offset, node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset;node_create_~data := node_create_#in~data;call node_create_#t~malloc2.base, node_create_#t~malloc2.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0.base, node_create_~temp~0.offset := node_create_#t~malloc2.base, node_create_#t~malloc2.offset; {1500#(= 1 (select |#valid| ULTIMATE.start_node_create_~temp~0.base))} is VALID [2020-07-28 18:08:03,365 INFO L280 TraceCheckUtils]: 3: Hoare triple {1500#(= 1 (select |#valid| ULTIMATE.start_node_create_~temp~0.base))} assume !(0 == node_create_~temp~0.base && 0 == node_create_~temp~0.offset); {1500#(= 1 (select |#valid| ULTIMATE.start_node_create_~temp~0.base))} is VALID [2020-07-28 18:08:03,366 INFO L280 TraceCheckUtils]: 4: Hoare triple {1500#(= 1 (select |#valid| ULTIMATE.start_node_create_~temp~0.base))} call write~$Pointer$(0, 0, node_create_~temp~0.base, 4 + node_create_~temp~0.offset, 4);call write~int(node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset, 4);node_create_#res.base, node_create_#res.offset := node_create_~temp~0.base, node_create_~temp~0.offset; {1501#(= (select |#valid| |ULTIMATE.start_node_create_#res.base|) 1)} is VALID [2020-07-28 18:08:03,367 INFO L280 TraceCheckUtils]: 5: Hoare triple {1501#(= (select |#valid| |ULTIMATE.start_node_create_#res.base|) 1)} sll_create_#t~ret4.base, sll_create_#t~ret4.offset := node_create_#res.base, node_create_#res.offset;sll_create_~new_head~0.base, sll_create_~new_head~0.offset := sll_create_#t~ret4.base, sll_create_#t~ret4.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset;call write~$Pointer$(sll_create_~head~0.base, sll_create_~head~0.offset, sll_create_~new_head~0.base, 4 + sll_create_~new_head~0.offset, 4);sll_create_~head~0.base, sll_create_~head~0.offset := sll_create_~new_head~0.base, sll_create_~new_head~0.offset; {1502#(= 1 (select |#valid| ULTIMATE.start_sll_create_~head~0.base))} is VALID [2020-07-28 18:08:03,367 INFO L280 TraceCheckUtils]: 6: Hoare triple {1502#(= 1 (select |#valid| ULTIMATE.start_sll_create_~head~0.base))} sll_create_#t~post3 := sll_create_~len;sll_create_~len := sll_create_#t~post3 - 1;havoc sll_create_#t~post3; {1502#(= 1 (select |#valid| ULTIMATE.start_sll_create_~head~0.base))} is VALID [2020-07-28 18:08:03,368 INFO L280 TraceCheckUtils]: 7: Hoare triple {1502#(= 1 (select |#valid| ULTIMATE.start_sll_create_~head~0.base))} assume !!(sll_create_~len > 0);node_create_#in~data := sll_create_~data;havoc node_create_#res.base, node_create_#res.offset;havoc node_create_#t~malloc2.base, node_create_#t~malloc2.offset, node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset;node_create_~data := node_create_#in~data;call node_create_#t~malloc2.base, node_create_#t~malloc2.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0.base, node_create_~temp~0.offset := node_create_#t~malloc2.base, node_create_#t~malloc2.offset; {1542#(not (= ULTIMATE.start_sll_create_~head~0.base ULTIMATE.start_node_create_~temp~0.base))} is VALID [2020-07-28 18:08:03,369 INFO L280 TraceCheckUtils]: 8: Hoare triple {1542#(not (= ULTIMATE.start_sll_create_~head~0.base ULTIMATE.start_node_create_~temp~0.base))} assume !(0 == node_create_~temp~0.base && 0 == node_create_~temp~0.offset); {1542#(not (= ULTIMATE.start_sll_create_~head~0.base ULTIMATE.start_node_create_~temp~0.base))} is VALID [2020-07-28 18:08:03,370 INFO L280 TraceCheckUtils]: 9: Hoare triple {1542#(not (= ULTIMATE.start_sll_create_~head~0.base ULTIMATE.start_node_create_~temp~0.base))} call write~$Pointer$(0, 0, node_create_~temp~0.base, 4 + node_create_~temp~0.offset, 4);call write~int(node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset, 4);node_create_#res.base, node_create_#res.offset := node_create_~temp~0.base, node_create_~temp~0.offset; {1549#(not (= |ULTIMATE.start_node_create_#res.base| ULTIMATE.start_sll_create_~head~0.base))} is VALID [2020-07-28 18:08:03,371 INFO L280 TraceCheckUtils]: 10: Hoare triple {1549#(not (= |ULTIMATE.start_node_create_#res.base| ULTIMATE.start_sll_create_~head~0.base))} sll_create_#t~ret4.base, sll_create_#t~ret4.offset := node_create_#res.base, node_create_#res.offset;sll_create_~new_head~0.base, sll_create_~new_head~0.offset := sll_create_#t~ret4.base, sll_create_#t~ret4.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset;call write~$Pointer$(sll_create_~head~0.base, sll_create_~head~0.offset, sll_create_~new_head~0.base, 4 + sll_create_~new_head~0.offset, 4);sll_create_~head~0.base, sll_create_~head~0.offset := sll_create_~new_head~0.base, sll_create_~new_head~0.offset; {1553#(not (= ULTIMATE.start_sll_create_~head~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_create_~head~0.base) (+ ULTIMATE.start_sll_create_~head~0.offset 4))))} is VALID [2020-07-28 18:08:03,371 INFO L280 TraceCheckUtils]: 11: Hoare triple {1553#(not (= ULTIMATE.start_sll_create_~head~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_create_~head~0.base) (+ ULTIMATE.start_sll_create_~head~0.offset 4))))} sll_create_#t~post3 := sll_create_~len;sll_create_~len := sll_create_#t~post3 - 1;havoc sll_create_#t~post3; {1553#(not (= ULTIMATE.start_sll_create_~head~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_create_~head~0.base) (+ ULTIMATE.start_sll_create_~head~0.offset 4))))} is VALID [2020-07-28 18:08:03,372 INFO L280 TraceCheckUtils]: 12: Hoare triple {1553#(not (= ULTIMATE.start_sll_create_~head~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_create_~head~0.base) (+ ULTIMATE.start_sll_create_~head~0.offset 4))))} assume !(sll_create_~len > 0); {1553#(not (= ULTIMATE.start_sll_create_~head~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_create_~head~0.base) (+ ULTIMATE.start_sll_create_~head~0.offset 4))))} is VALID [2020-07-28 18:08:03,373 INFO L280 TraceCheckUtils]: 13: Hoare triple {1553#(not (= ULTIMATE.start_sll_create_~head~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_create_~head~0.base) (+ ULTIMATE.start_sll_create_~head~0.offset 4))))} sll_create_#res.base, sll_create_#res.offset := sll_create_~head~0.base, sll_create_~head~0.offset; {1563#(not (= |ULTIMATE.start_sll_create_#res.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res.base|) (+ |ULTIMATE.start_sll_create_#res.offset| 4))))} is VALID [2020-07-28 18:08:03,374 INFO L280 TraceCheckUtils]: 14: Hoare triple {1563#(not (= |ULTIMATE.start_sll_create_#res.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res.base|) (+ |ULTIMATE.start_sll_create_#res.offset| 4))))} main_#t~ret11.base, main_#t~ret11.offset := sll_create_#res.base, sll_create_#res.offset;main_~s~0.base, main_~s~0.offset := main_#t~ret11.base, main_#t~ret11.offset;havoc main_#t~ret11.base, main_#t~ret11.offset;havoc main_~i~0;main_~i~0 := main_~len~0 - 1; {1567#(and (= (+ ULTIMATE.start_main_~i~0 1) ULTIMATE.start_main_~len~0) (not (= ULTIMATE.start_main_~s~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4)))))} is VALID [2020-07-28 18:08:03,375 INFO L280 TraceCheckUtils]: 15: Hoare triple {1567#(and (= (+ ULTIMATE.start_main_~i~0 1) ULTIMATE.start_main_~len~0) (not (= ULTIMATE.start_main_~s~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4)))))} assume !!(main_~i~0 >= 0);main_~new_data~0 := main_~i~0 + main_~len~0;sll_update_at_#in~head.base, sll_update_at_#in~head.offset, sll_update_at_#in~data, sll_update_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~new_data~0, main_~i~0;havoc sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset, sll_update_at_#t~post10, sll_update_at_~head.base, sll_update_at_~head.offset, sll_update_at_~data, sll_update_at_~index;sll_update_at_~head.base, sll_update_at_~head.offset := sll_update_at_#in~head.base, sll_update_at_#in~head.offset;sll_update_at_~data := sll_update_at_#in~data;sll_update_at_~index := sll_update_at_#in~index; {1571#(and (= (+ ULTIMATE.start_sll_update_at_~data 1) (* 2 ULTIMATE.start_main_~len~0)) (not (= ULTIMATE.start_main_~s~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4)))) (= ULTIMATE.start_main_~s~0.base ULTIMATE.start_sll_update_at_~head.base) (= ULTIMATE.start_main_~s~0.offset ULTIMATE.start_sll_update_at_~head.offset))} is VALID [2020-07-28 18:08:03,376 INFO L280 TraceCheckUtils]: 16: Hoare triple {1571#(and (= (+ ULTIMATE.start_sll_update_at_~data 1) (* 2 ULTIMATE.start_main_~len~0)) (not (= ULTIMATE.start_main_~s~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4)))) (= ULTIMATE.start_main_~s~0.base ULTIMATE.start_sll_update_at_~head.base) (= ULTIMATE.start_main_~s~0.offset ULTIMATE.start_sll_update_at_~head.offset))} assume !!(sll_update_at_~index > 0);call sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset := read~$Pointer$(sll_update_at_~head.base, 4 + sll_update_at_~head.offset, 4);sll_update_at_~head.base, sll_update_at_~head.offset := sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset;havoc sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset;sll_update_at_#t~post10 := sll_update_at_~index;sll_update_at_~index := sll_update_at_#t~post10 - 1;havoc sll_update_at_#t~post10; {1575#(and (= (+ ULTIMATE.start_sll_update_at_~data 1) (* 2 ULTIMATE.start_main_~len~0)) (= (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4)) ULTIMATE.start_sll_update_at_~head.offset) (not (= ULTIMATE.start_main_~s~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4)))) (= ULTIMATE.start_sll_update_at_~head.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4))))} is VALID [2020-07-28 18:08:03,377 INFO L280 TraceCheckUtils]: 17: Hoare triple {1575#(and (= (+ ULTIMATE.start_sll_update_at_~data 1) (* 2 ULTIMATE.start_main_~len~0)) (= (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4)) ULTIMATE.start_sll_update_at_~head.offset) (not (= ULTIMATE.start_main_~s~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4)))) (= ULTIMATE.start_sll_update_at_~head.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4))))} assume !(sll_update_at_~index > 0); {1575#(and (= (+ ULTIMATE.start_sll_update_at_~data 1) (* 2 ULTIMATE.start_main_~len~0)) (= (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4)) ULTIMATE.start_sll_update_at_~head.offset) (not (= ULTIMATE.start_main_~s~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4)))) (= ULTIMATE.start_sll_update_at_~head.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4))))} is VALID [2020-07-28 18:08:03,380 INFO L280 TraceCheckUtils]: 18: Hoare triple {1575#(and (= (+ ULTIMATE.start_sll_update_at_~data 1) (* 2 ULTIMATE.start_main_~len~0)) (= (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4)) ULTIMATE.start_sll_update_at_~head.offset) (not (= ULTIMATE.start_main_~s~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4)))) (= ULTIMATE.start_sll_update_at_~head.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4))))} call write~int(sll_update_at_~data, sll_update_at_~head.base, sll_update_at_~head.offset, 4); {1582#(and (= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4))) 1) (* 2 ULTIMATE.start_main_~len~0)) (not (= ULTIMATE.start_main_~s~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4)))))} is VALID [2020-07-28 18:08:03,381 INFO L280 TraceCheckUtils]: 19: Hoare triple {1582#(and (= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4))) 1) (* 2 ULTIMATE.start_main_~len~0)) (not (= ULTIMATE.start_main_~s~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4)))))} main_#t~post12 := main_~i~0;main_~i~0 := main_#t~post12 - 1;havoc main_#t~post12; {1582#(and (= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4))) 1) (* 2 ULTIMATE.start_main_~len~0)) (not (= ULTIMATE.start_main_~s~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4)))))} is VALID [2020-07-28 18:08:03,385 INFO L280 TraceCheckUtils]: 20: Hoare triple {1582#(and (= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4))) 1) (* 2 ULTIMATE.start_main_~len~0)) (not (= ULTIMATE.start_main_~s~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4)))))} assume !!(main_~i~0 >= 0);main_~new_data~0 := main_~i~0 + main_~len~0;sll_update_at_#in~head.base, sll_update_at_#in~head.offset, sll_update_at_#in~data, sll_update_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~new_data~0, main_~i~0;havoc sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset, sll_update_at_#t~post10, sll_update_at_~head.base, sll_update_at_~head.offset, sll_update_at_~data, sll_update_at_~index;sll_update_at_~head.base, sll_update_at_~head.offset := sll_update_at_#in~head.base, sll_update_at_#in~head.offset;sll_update_at_~data := sll_update_at_#in~data;sll_update_at_~index := sll_update_at_#in~index; {1589#(and (<= ULTIMATE.start_sll_update_at_~head.offset ULTIMATE.start_main_~s~0.offset) (= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4))) 1) (* 2 ULTIMATE.start_main_~len~0)) (not (= ULTIMATE.start_main_~s~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4)))) (= ULTIMATE.start_main_~s~0.base ULTIMATE.start_sll_update_at_~head.base))} is VALID [2020-07-28 18:08:03,386 INFO L280 TraceCheckUtils]: 21: Hoare triple {1589#(and (<= ULTIMATE.start_sll_update_at_~head.offset ULTIMATE.start_main_~s~0.offset) (= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4))) 1) (* 2 ULTIMATE.start_main_~len~0)) (not (= ULTIMATE.start_main_~s~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4)))) (= ULTIMATE.start_main_~s~0.base ULTIMATE.start_sll_update_at_~head.base))} assume !(sll_update_at_~index > 0); {1589#(and (<= ULTIMATE.start_sll_update_at_~head.offset ULTIMATE.start_main_~s~0.offset) (= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4))) 1) (* 2 ULTIMATE.start_main_~len~0)) (not (= ULTIMATE.start_main_~s~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4)))) (= ULTIMATE.start_main_~s~0.base ULTIMATE.start_sll_update_at_~head.base))} is VALID [2020-07-28 18:08:03,391 INFO L280 TraceCheckUtils]: 22: Hoare triple {1589#(and (<= ULTIMATE.start_sll_update_at_~head.offset ULTIMATE.start_main_~s~0.offset) (= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4))) 1) (* 2 ULTIMATE.start_main_~len~0)) (not (= ULTIMATE.start_main_~s~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4)))) (= ULTIMATE.start_main_~s~0.base ULTIMATE.start_sll_update_at_~head.base))} call write~int(sll_update_at_~data, sll_update_at_~head.base, sll_update_at_~head.offset, 4); {1582#(and (= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4))) 1) (* 2 ULTIMATE.start_main_~len~0)) (not (= ULTIMATE.start_main_~s~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4)))))} is VALID [2020-07-28 18:08:03,393 INFO L280 TraceCheckUtils]: 23: Hoare triple {1582#(and (= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4))) 1) (* 2 ULTIMATE.start_main_~len~0)) (not (= ULTIMATE.start_main_~s~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4)))))} main_#t~post12 := main_~i~0;main_~i~0 := main_#t~post12 - 1;havoc main_#t~post12; {1582#(and (= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4))) 1) (* 2 ULTIMATE.start_main_~len~0)) (not (= ULTIMATE.start_main_~s~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4)))))} is VALID [2020-07-28 18:08:03,394 INFO L280 TraceCheckUtils]: 24: Hoare triple {1582#(and (= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4))) 1) (* 2 ULTIMATE.start_main_~len~0)) (not (= ULTIMATE.start_main_~s~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4)))))} assume !(main_~i~0 >= 0); {1582#(and (= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4))) 1) (* 2 ULTIMATE.start_main_~len~0)) (not (= ULTIMATE.start_main_~s~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4)))))} is VALID [2020-07-28 18:08:03,395 INFO L280 TraceCheckUtils]: 25: Hoare triple {1582#(and (= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4))) 1) (* 2 ULTIMATE.start_main_~len~0)) (not (= ULTIMATE.start_main_~s~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4)))))} main_~i~0 := main_~len~0 - 1; {1605#(and (= (+ ULTIMATE.start_main_~i~0 1) ULTIMATE.start_main_~len~0) (= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4))) 1) (* 2 ULTIMATE.start_main_~len~0)) (not (= ULTIMATE.start_main_~s~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4)))))} is VALID [2020-07-28 18:08:03,397 INFO L280 TraceCheckUtils]: 26: Hoare triple {1605#(and (= (+ ULTIMATE.start_main_~i~0 1) ULTIMATE.start_main_~len~0) (= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4))) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4))) 1) (* 2 ULTIMATE.start_main_~len~0)) (not (= ULTIMATE.start_main_~s~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base) (+ ULTIMATE.start_main_~s~0.offset 4)))))} assume !!(main_~i~0 >= 0);main_~expected~0 := main_~i~0 + main_~len~0;sll_get_data_at_#in~head.base, sll_get_data_at_#in~head.offset, sll_get_data_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~i~0;havoc sll_get_data_at_#res;havoc sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset, sll_get_data_at_#t~post7, sll_get_data_at_#t~mem8, sll_get_data_at_~head.base, sll_get_data_at_~head.offset, sll_get_data_at_~index;sll_get_data_at_~head.base, sll_get_data_at_~head.offset := sll_get_data_at_#in~head.base, sll_get_data_at_#in~head.offset;sll_get_data_at_~index := sll_get_data_at_#in~index; {1609#(and (not (= (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_get_data_at_~head.base) (+ ULTIMATE.start_sll_get_data_at_~head.offset 4)) ULTIMATE.start_sll_get_data_at_~head.base)) (= (+ (* 2 (div (+ ULTIMATE.start_main_~expected~0 (- 1)) 2)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_get_data_at_~head.base) (+ ULTIMATE.start_sll_get_data_at_~head.offset 4))) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_sll_get_data_at_~head.base) (+ ULTIMATE.start_sll_get_data_at_~head.offset 4))) 1) (* 2 ULTIMATE.start_main_~expected~0)) (= 0 (mod (+ ULTIMATE.start_main_~expected~0 1) 2)))} is VALID [2020-07-28 18:08:03,398 INFO L280 TraceCheckUtils]: 27: Hoare triple {1609#(and (not (= (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_get_data_at_~head.base) (+ ULTIMATE.start_sll_get_data_at_~head.offset 4)) ULTIMATE.start_sll_get_data_at_~head.base)) (= (+ (* 2 (div (+ ULTIMATE.start_main_~expected~0 (- 1)) 2)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_get_data_at_~head.base) (+ ULTIMATE.start_sll_get_data_at_~head.offset 4))) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_sll_get_data_at_~head.base) (+ ULTIMATE.start_sll_get_data_at_~head.offset 4))) 1) (* 2 ULTIMATE.start_main_~expected~0)) (= 0 (mod (+ ULTIMATE.start_main_~expected~0 1) 2)))} assume !!(sll_get_data_at_~index > 0);call sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset := read~$Pointer$(sll_get_data_at_~head.base, 4 + sll_get_data_at_~head.offset, 4);sll_get_data_at_~head.base, sll_get_data_at_~head.offset := sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset;havoc sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset;sll_get_data_at_#t~post7 := sll_get_data_at_~index;sll_get_data_at_~index := sll_get_data_at_#t~post7 - 1;havoc sll_get_data_at_#t~post7; {1613#(and (= (+ (* 2 (div (+ ULTIMATE.start_main_~expected~0 (- 1)) 2)) (select (select |#memory_int| ULTIMATE.start_sll_get_data_at_~head.base) ULTIMATE.start_sll_get_data_at_~head.offset) 1) (* 2 ULTIMATE.start_main_~expected~0)) (= 0 (mod (+ ULTIMATE.start_main_~expected~0 1) 2)))} is VALID [2020-07-28 18:08:03,399 INFO L280 TraceCheckUtils]: 28: Hoare triple {1613#(and (= (+ (* 2 (div (+ ULTIMATE.start_main_~expected~0 (- 1)) 2)) (select (select |#memory_int| ULTIMATE.start_sll_get_data_at_~head.base) ULTIMATE.start_sll_get_data_at_~head.offset) 1) (* 2 ULTIMATE.start_main_~expected~0)) (= 0 (mod (+ ULTIMATE.start_main_~expected~0 1) 2)))} assume !(sll_get_data_at_~index > 0); {1613#(and (= (+ (* 2 (div (+ ULTIMATE.start_main_~expected~0 (- 1)) 2)) (select (select |#memory_int| ULTIMATE.start_sll_get_data_at_~head.base) ULTIMATE.start_sll_get_data_at_~head.offset) 1) (* 2 ULTIMATE.start_main_~expected~0)) (= 0 (mod (+ ULTIMATE.start_main_~expected~0 1) 2)))} is VALID [2020-07-28 18:08:03,400 INFO L280 TraceCheckUtils]: 29: Hoare triple {1613#(and (= (+ (* 2 (div (+ ULTIMATE.start_main_~expected~0 (- 1)) 2)) (select (select |#memory_int| ULTIMATE.start_sll_get_data_at_~head.base) ULTIMATE.start_sll_get_data_at_~head.offset) 1) (* 2 ULTIMATE.start_main_~expected~0)) (= 0 (mod (+ ULTIMATE.start_main_~expected~0 1) 2)))} call sll_get_data_at_#t~mem8 := read~int(sll_get_data_at_~head.base, sll_get_data_at_~head.offset, 4);sll_get_data_at_#res := sll_get_data_at_#t~mem8;havoc sll_get_data_at_#t~mem8; {1620#(and (= (* 2 ULTIMATE.start_main_~expected~0) (+ (* 2 (div (+ ULTIMATE.start_main_~expected~0 (- 1)) 2)) |ULTIMATE.start_sll_get_data_at_#res| 1)) (= 0 (mod (+ ULTIMATE.start_main_~expected~0 1) 2)))} is VALID [2020-07-28 18:08:03,401 INFO L280 TraceCheckUtils]: 30: Hoare triple {1620#(and (= (* 2 ULTIMATE.start_main_~expected~0) (+ (* 2 (div (+ ULTIMATE.start_main_~expected~0 (- 1)) 2)) |ULTIMATE.start_sll_get_data_at_#res| 1)) (= 0 (mod (+ ULTIMATE.start_main_~expected~0 1) 2)))} main_#t~ret14 := sll_get_data_at_#res;assume -2147483648 <= main_#t~ret14 && main_#t~ret14 <= 2147483647; {1624#(and (= (+ |ULTIMATE.start_main_#t~ret14| (* 2 (div (+ ULTIMATE.start_main_~expected~0 (- 1)) 2)) 1) (* 2 ULTIMATE.start_main_~expected~0)) (= 0 (mod (+ ULTIMATE.start_main_~expected~0 1) 2)))} is VALID [2020-07-28 18:08:03,402 INFO L280 TraceCheckUtils]: 31: Hoare triple {1624#(and (= (+ |ULTIMATE.start_main_#t~ret14| (* 2 (div (+ ULTIMATE.start_main_~expected~0 (- 1)) 2)) 1) (* 2 ULTIMATE.start_main_~expected~0)) (= 0 (mod (+ ULTIMATE.start_main_~expected~0 1) 2)))} assume main_~expected~0 != main_#t~ret14;havoc main_#t~ret14; {1499#false} is VALID [2020-07-28 18:08:03,402 INFO L280 TraceCheckUtils]: 32: Hoare triple {1499#false} assume !false; {1499#false} is VALID [2020-07-28 18:08:03,408 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-28 18:08:03,408 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-28 18:08:03,408 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 34 [2020-07-28 18:08:03,408 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668235416] [2020-07-28 18:08:03,409 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 33 [2020-07-28 18:08:03,409 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:08:03,409 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 34 states. [2020-07-28 18:08:03,498 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:08:03,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-07-28 18:08:03,498 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:08:03,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-07-28 18:08:03,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=1040, Unknown=0, NotChecked=0, Total=1122 [2020-07-28 18:08:03,500 INFO L87 Difference]: Start difference. First operand 36 states and 41 transitions. Second operand 34 states. [2020-07-28 18:08:05,385 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 51 [2020-07-28 18:08:07,524 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 60 [2020-07-28 18:08:08,309 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 60 [2020-07-28 18:08:08,592 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 63 [2020-07-28 18:08:09,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:08:09,444 INFO L93 Difference]: Finished difference Result 75 states and 87 transitions. [2020-07-28 18:08:09,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-07-28 18:08:09,445 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 33 [2020-07-28 18:08:09,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:08:09,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-07-28 18:08:09,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 83 transitions. [2020-07-28 18:08:09,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-07-28 18:08:09,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 83 transitions. [2020-07-28 18:08:09,450 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 24 states and 83 transitions. [2020-07-28 18:08:09,628 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 83 edges. 83 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:08:09,630 INFO L225 Difference]: With dead ends: 75 [2020-07-28 18:08:09,630 INFO L226 Difference]: Without dead ends: 73 [2020-07-28 18:08:09,633 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=393, Invalid=2577, Unknown=0, NotChecked=0, Total=2970 [2020-07-28 18:08:09,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-07-28 18:08:09,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 51. [2020-07-28 18:08:09,781 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:08:09,781 INFO L82 GeneralOperation]: Start isEquivalent. First operand 73 states. Second operand 51 states. [2020-07-28 18:08:09,782 INFO L74 IsIncluded]: Start isIncluded. First operand 73 states. Second operand 51 states. [2020-07-28 18:08:09,782 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 51 states. [2020-07-28 18:08:09,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:08:09,785 INFO L93 Difference]: Finished difference Result 73 states and 85 transitions. [2020-07-28 18:08:09,785 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 85 transitions. [2020-07-28 18:08:09,785 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:08:09,786 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:08:09,786 INFO L74 IsIncluded]: Start isIncluded. First operand 51 states. Second operand 73 states. [2020-07-28 18:08:09,786 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 73 states. [2020-07-28 18:08:09,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:08:09,789 INFO L93 Difference]: Finished difference Result 73 states and 85 transitions. [2020-07-28 18:08:09,789 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 85 transitions. [2020-07-28 18:08:09,789 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:08:09,789 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:08:09,790 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:08:09,790 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:08:09,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-07-28 18:08:09,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 60 transitions. [2020-07-28 18:08:09,792 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 60 transitions. Word has length 33 [2020-07-28 18:08:09,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:08:09,793 INFO L479 AbstractCegarLoop]: Abstraction has 51 states and 60 transitions. [2020-07-28 18:08:09,793 INFO L480 AbstractCegarLoop]: Interpolant automaton has 34 states. [2020-07-28 18:08:09,793 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 60 transitions. [2020-07-28 18:08:09,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-28 18:08:09,794 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:08:09,794 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:08:10,001 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-28 18:08:10,002 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:08:10,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:08:10,003 INFO L82 PathProgramCache]: Analyzing trace with hash -254624194, now seen corresponding path program 2 times [2020-07-28 18:08:10,003 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:08:10,003 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217388132] [2020-07-28 18:08:10,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:08:10,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:08:10,094 INFO L280 TraceCheckUtils]: 0: Hoare triple {2007#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {2007#true} is VALID [2020-07-28 18:08:10,095 INFO L280 TraceCheckUtils]: 1: Hoare triple {2007#true} havoc main_#res;havoc main_#t~ret11.base, main_#t~ret11.offset, main_#t~post12, main_~new_data~0, main_#t~ret14, main_#t~post13, main_~expected~0, main_~len~0, main_~data~0, main_~s~0.base, main_~s~0.offset, main_~i~0;main_~len~0 := 2;main_~data~0 := 1;sll_create_#in~len, sll_create_#in~data := main_~len~0, main_~data~0;havoc sll_create_#res.base, sll_create_#res.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset, sll_create_#t~post3, sll_create_~new_head~0.base, sll_create_~new_head~0.offset, sll_create_~len, sll_create_~data, sll_create_~head~0.base, sll_create_~head~0.offset;sll_create_~len := sll_create_#in~len;sll_create_~data := sll_create_#in~data;sll_create_~head~0.base, sll_create_~head~0.offset := 0, 0; {2009#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:10,096 INFO L280 TraceCheckUtils]: 2: Hoare triple {2009#(<= ULTIMATE.start_main_~len~0 2)} assume !!(sll_create_~len > 0);node_create_#in~data := sll_create_~data;havoc node_create_#res.base, node_create_#res.offset;havoc node_create_#t~malloc2.base, node_create_#t~malloc2.offset, node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset;node_create_~data := node_create_#in~data;call node_create_#t~malloc2.base, node_create_#t~malloc2.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0.base, node_create_~temp~0.offset := node_create_#t~malloc2.base, node_create_#t~malloc2.offset; {2009#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:10,097 INFO L280 TraceCheckUtils]: 3: Hoare triple {2009#(<= ULTIMATE.start_main_~len~0 2)} assume !(0 == node_create_~temp~0.base && 0 == node_create_~temp~0.offset); {2009#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:10,097 INFO L280 TraceCheckUtils]: 4: Hoare triple {2009#(<= ULTIMATE.start_main_~len~0 2)} call write~$Pointer$(0, 0, node_create_~temp~0.base, 4 + node_create_~temp~0.offset, 4);call write~int(node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset, 4);node_create_#res.base, node_create_#res.offset := node_create_~temp~0.base, node_create_~temp~0.offset; {2009#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:10,098 INFO L280 TraceCheckUtils]: 5: Hoare triple {2009#(<= ULTIMATE.start_main_~len~0 2)} sll_create_#t~ret4.base, sll_create_#t~ret4.offset := node_create_#res.base, node_create_#res.offset;sll_create_~new_head~0.base, sll_create_~new_head~0.offset := sll_create_#t~ret4.base, sll_create_#t~ret4.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset;call write~$Pointer$(sll_create_~head~0.base, sll_create_~head~0.offset, sll_create_~new_head~0.base, 4 + sll_create_~new_head~0.offset, 4);sll_create_~head~0.base, sll_create_~head~0.offset := sll_create_~new_head~0.base, sll_create_~new_head~0.offset; {2009#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:10,099 INFO L280 TraceCheckUtils]: 6: Hoare triple {2009#(<= ULTIMATE.start_main_~len~0 2)} sll_create_#t~post3 := sll_create_~len;sll_create_~len := sll_create_#t~post3 - 1;havoc sll_create_#t~post3; {2009#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:10,099 INFO L280 TraceCheckUtils]: 7: Hoare triple {2009#(<= ULTIMATE.start_main_~len~0 2)} assume !!(sll_create_~len > 0);node_create_#in~data := sll_create_~data;havoc node_create_#res.base, node_create_#res.offset;havoc node_create_#t~malloc2.base, node_create_#t~malloc2.offset, node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset;node_create_~data := node_create_#in~data;call node_create_#t~malloc2.base, node_create_#t~malloc2.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0.base, node_create_~temp~0.offset := node_create_#t~malloc2.base, node_create_#t~malloc2.offset; {2009#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:10,100 INFO L280 TraceCheckUtils]: 8: Hoare triple {2009#(<= ULTIMATE.start_main_~len~0 2)} assume !(0 == node_create_~temp~0.base && 0 == node_create_~temp~0.offset); {2009#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:10,101 INFO L280 TraceCheckUtils]: 9: Hoare triple {2009#(<= ULTIMATE.start_main_~len~0 2)} call write~$Pointer$(0, 0, node_create_~temp~0.base, 4 + node_create_~temp~0.offset, 4);call write~int(node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset, 4);node_create_#res.base, node_create_#res.offset := node_create_~temp~0.base, node_create_~temp~0.offset; {2009#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:10,101 INFO L280 TraceCheckUtils]: 10: Hoare triple {2009#(<= ULTIMATE.start_main_~len~0 2)} sll_create_#t~ret4.base, sll_create_#t~ret4.offset := node_create_#res.base, node_create_#res.offset;sll_create_~new_head~0.base, sll_create_~new_head~0.offset := sll_create_#t~ret4.base, sll_create_#t~ret4.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset;call write~$Pointer$(sll_create_~head~0.base, sll_create_~head~0.offset, sll_create_~new_head~0.base, 4 + sll_create_~new_head~0.offset, 4);sll_create_~head~0.base, sll_create_~head~0.offset := sll_create_~new_head~0.base, sll_create_~new_head~0.offset; {2009#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:10,102 INFO L280 TraceCheckUtils]: 11: Hoare triple {2009#(<= ULTIMATE.start_main_~len~0 2)} sll_create_#t~post3 := sll_create_~len;sll_create_~len := sll_create_#t~post3 - 1;havoc sll_create_#t~post3; {2009#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:10,102 INFO L280 TraceCheckUtils]: 12: Hoare triple {2009#(<= ULTIMATE.start_main_~len~0 2)} assume !(sll_create_~len > 0); {2009#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:10,103 INFO L280 TraceCheckUtils]: 13: Hoare triple {2009#(<= ULTIMATE.start_main_~len~0 2)} sll_create_#res.base, sll_create_#res.offset := sll_create_~head~0.base, sll_create_~head~0.offset; {2009#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:10,104 INFO L280 TraceCheckUtils]: 14: Hoare triple {2009#(<= ULTIMATE.start_main_~len~0 2)} main_#t~ret11.base, main_#t~ret11.offset := sll_create_#res.base, sll_create_#res.offset;main_~s~0.base, main_~s~0.offset := main_#t~ret11.base, main_#t~ret11.offset;havoc main_#t~ret11.base, main_#t~ret11.offset;havoc main_~i~0;main_~i~0 := main_~len~0 - 1; {2009#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:10,104 INFO L280 TraceCheckUtils]: 15: Hoare triple {2009#(<= ULTIMATE.start_main_~len~0 2)} assume !!(main_~i~0 >= 0);main_~new_data~0 := main_~i~0 + main_~len~0;sll_update_at_#in~head.base, sll_update_at_#in~head.offset, sll_update_at_#in~data, sll_update_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~new_data~0, main_~i~0;havoc sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset, sll_update_at_#t~post10, sll_update_at_~head.base, sll_update_at_~head.offset, sll_update_at_~data, sll_update_at_~index;sll_update_at_~head.base, sll_update_at_~head.offset := sll_update_at_#in~head.base, sll_update_at_#in~head.offset;sll_update_at_~data := sll_update_at_#in~data;sll_update_at_~index := sll_update_at_#in~index; {2009#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:10,105 INFO L280 TraceCheckUtils]: 16: Hoare triple {2009#(<= ULTIMATE.start_main_~len~0 2)} assume !!(sll_update_at_~index > 0);call sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset := read~$Pointer$(sll_update_at_~head.base, 4 + sll_update_at_~head.offset, 4);sll_update_at_~head.base, sll_update_at_~head.offset := sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset;havoc sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset;sll_update_at_#t~post10 := sll_update_at_~index;sll_update_at_~index := sll_update_at_#t~post10 - 1;havoc sll_update_at_#t~post10; {2009#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:10,106 INFO L280 TraceCheckUtils]: 17: Hoare triple {2009#(<= ULTIMATE.start_main_~len~0 2)} assume !(sll_update_at_~index > 0); {2009#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:10,106 INFO L280 TraceCheckUtils]: 18: Hoare triple {2009#(<= ULTIMATE.start_main_~len~0 2)} call write~int(sll_update_at_~data, sll_update_at_~head.base, sll_update_at_~head.offset, 4); {2009#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:10,107 INFO L280 TraceCheckUtils]: 19: Hoare triple {2009#(<= ULTIMATE.start_main_~len~0 2)} main_#t~post12 := main_~i~0;main_~i~0 := main_#t~post12 - 1;havoc main_#t~post12; {2009#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:10,107 INFO L280 TraceCheckUtils]: 20: Hoare triple {2009#(<= ULTIMATE.start_main_~len~0 2)} assume !!(main_~i~0 >= 0);main_~new_data~0 := main_~i~0 + main_~len~0;sll_update_at_#in~head.base, sll_update_at_#in~head.offset, sll_update_at_#in~data, sll_update_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~new_data~0, main_~i~0;havoc sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset, sll_update_at_#t~post10, sll_update_at_~head.base, sll_update_at_~head.offset, sll_update_at_~data, sll_update_at_~index;sll_update_at_~head.base, sll_update_at_~head.offset := sll_update_at_#in~head.base, sll_update_at_#in~head.offset;sll_update_at_~data := sll_update_at_#in~data;sll_update_at_~index := sll_update_at_#in~index; {2009#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:10,108 INFO L280 TraceCheckUtils]: 21: Hoare triple {2009#(<= ULTIMATE.start_main_~len~0 2)} assume !(sll_update_at_~index > 0); {2009#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:10,109 INFO L280 TraceCheckUtils]: 22: Hoare triple {2009#(<= ULTIMATE.start_main_~len~0 2)} call write~int(sll_update_at_~data, sll_update_at_~head.base, sll_update_at_~head.offset, 4); {2009#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:10,109 INFO L280 TraceCheckUtils]: 23: Hoare triple {2009#(<= ULTIMATE.start_main_~len~0 2)} main_#t~post12 := main_~i~0;main_~i~0 := main_#t~post12 - 1;havoc main_#t~post12; {2009#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:10,110 INFO L280 TraceCheckUtils]: 24: Hoare triple {2009#(<= ULTIMATE.start_main_~len~0 2)} assume !(main_~i~0 >= 0); {2009#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:10,111 INFO L280 TraceCheckUtils]: 25: Hoare triple {2009#(<= ULTIMATE.start_main_~len~0 2)} main_~i~0 := main_~len~0 - 1; {2010#(<= ULTIMATE.start_main_~i~0 1)} is VALID [2020-07-28 18:08:10,112 INFO L280 TraceCheckUtils]: 26: Hoare triple {2010#(<= ULTIMATE.start_main_~i~0 1)} assume !!(main_~i~0 >= 0);main_~expected~0 := main_~i~0 + main_~len~0;sll_get_data_at_#in~head.base, sll_get_data_at_#in~head.offset, sll_get_data_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~i~0;havoc sll_get_data_at_#res;havoc sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset, sll_get_data_at_#t~post7, sll_get_data_at_#t~mem8, sll_get_data_at_~head.base, sll_get_data_at_~head.offset, sll_get_data_at_~index;sll_get_data_at_~head.base, sll_get_data_at_~head.offset := sll_get_data_at_#in~head.base, sll_get_data_at_#in~head.offset;sll_get_data_at_~index := sll_get_data_at_#in~index; {2011#(<= ULTIMATE.start_sll_get_data_at_~index 1)} is VALID [2020-07-28 18:08:10,113 INFO L280 TraceCheckUtils]: 27: Hoare triple {2011#(<= ULTIMATE.start_sll_get_data_at_~index 1)} assume !!(sll_get_data_at_~index > 0);call sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset := read~$Pointer$(sll_get_data_at_~head.base, 4 + sll_get_data_at_~head.offset, 4);sll_get_data_at_~head.base, sll_get_data_at_~head.offset := sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset;havoc sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset;sll_get_data_at_#t~post7 := sll_get_data_at_~index;sll_get_data_at_~index := sll_get_data_at_#t~post7 - 1;havoc sll_get_data_at_#t~post7; {2012#(<= ULTIMATE.start_sll_get_data_at_~index 0)} is VALID [2020-07-28 18:08:10,114 INFO L280 TraceCheckUtils]: 28: Hoare triple {2012#(<= ULTIMATE.start_sll_get_data_at_~index 0)} assume !!(sll_get_data_at_~index > 0);call sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset := read~$Pointer$(sll_get_data_at_~head.base, 4 + sll_get_data_at_~head.offset, 4);sll_get_data_at_~head.base, sll_get_data_at_~head.offset := sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset;havoc sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset;sll_get_data_at_#t~post7 := sll_get_data_at_~index;sll_get_data_at_~index := sll_get_data_at_#t~post7 - 1;havoc sll_get_data_at_#t~post7; {2008#false} is VALID [2020-07-28 18:08:10,114 INFO L280 TraceCheckUtils]: 29: Hoare triple {2008#false} assume !(sll_get_data_at_~index > 0); {2008#false} is VALID [2020-07-28 18:08:10,114 INFO L280 TraceCheckUtils]: 30: Hoare triple {2008#false} call sll_get_data_at_#t~mem8 := read~int(sll_get_data_at_~head.base, sll_get_data_at_~head.offset, 4);sll_get_data_at_#res := sll_get_data_at_#t~mem8;havoc sll_get_data_at_#t~mem8; {2008#false} is VALID [2020-07-28 18:08:10,114 INFO L280 TraceCheckUtils]: 31: Hoare triple {2008#false} main_#t~ret14 := sll_get_data_at_#res;assume -2147483648 <= main_#t~ret14 && main_#t~ret14 <= 2147483647; {2008#false} is VALID [2020-07-28 18:08:10,114 INFO L280 TraceCheckUtils]: 32: Hoare triple {2008#false} assume main_~expected~0 != main_#t~ret14;havoc main_#t~ret14; {2008#false} is VALID [2020-07-28 18:08:10,114 INFO L280 TraceCheckUtils]: 33: Hoare triple {2008#false} assume !false; {2008#false} is VALID [2020-07-28 18:08:10,116 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-28 18:08:10,116 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217388132] [2020-07-28 18:08:10,117 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:08:10,117 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-28 18:08:10,117 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978331260] [2020-07-28 18:08:10,117 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-07-28 18:08:10,118 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:08:10,118 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 18:08:10,152 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:08:10,152 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 18:08:10,152 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:08:10,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 18:08:10,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-28 18:08:10,153 INFO L87 Difference]: Start difference. First operand 51 states and 60 transitions. Second operand 6 states. [2020-07-28 18:08:10,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:08:10,471 INFO L93 Difference]: Finished difference Result 60 states and 71 transitions. [2020-07-28 18:08:10,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 18:08:10,471 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-07-28 18:08:10,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:08:10,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 18:08:10,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 38 transitions. [2020-07-28 18:08:10,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 18:08:10,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 38 transitions. [2020-07-28 18:08:10,474 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 38 transitions. [2020-07-28 18:08:10,527 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:08:10,529 INFO L225 Difference]: With dead ends: 60 [2020-07-28 18:08:10,529 INFO L226 Difference]: Without dead ends: 52 [2020-07-28 18:08:10,530 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-07-28 18:08:10,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-07-28 18:08:10,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-07-28 18:08:10,714 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:08:10,714 INFO L82 GeneralOperation]: Start isEquivalent. First operand 52 states. Second operand 52 states. [2020-07-28 18:08:10,714 INFO L74 IsIncluded]: Start isIncluded. First operand 52 states. Second operand 52 states. [2020-07-28 18:08:10,715 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 52 states. [2020-07-28 18:08:10,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:08:10,717 INFO L93 Difference]: Finished difference Result 52 states and 60 transitions. [2020-07-28 18:08:10,717 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 60 transitions. [2020-07-28 18:08:10,717 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:08:10,717 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:08:10,717 INFO L74 IsIncluded]: Start isIncluded. First operand 52 states. Second operand 52 states. [2020-07-28 18:08:10,718 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 52 states. [2020-07-28 18:08:10,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:08:10,719 INFO L93 Difference]: Finished difference Result 52 states and 60 transitions. [2020-07-28 18:08:10,719 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 60 transitions. [2020-07-28 18:08:10,719 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:08:10,719 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:08:10,720 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:08:10,720 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:08:10,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-07-28 18:08:10,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 60 transitions. [2020-07-28 18:08:10,721 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 60 transitions. Word has length 34 [2020-07-28 18:08:10,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:08:10,721 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 60 transitions. [2020-07-28 18:08:10,722 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 18:08:10,722 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 60 transitions. [2020-07-28 18:08:10,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-28 18:08:10,722 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:08:10,723 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:08:10,723 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-28 18:08:10,723 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:08:10,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:08:10,724 INFO L82 PathProgramCache]: Analyzing trace with hash 891797658, now seen corresponding path program 3 times [2020-07-28 18:08:10,724 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:08:10,724 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351686786] [2020-07-28 18:08:10,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:08:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:08:10,831 INFO L280 TraceCheckUtils]: 0: Hoare triple {2295#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {2295#true} is VALID [2020-07-28 18:08:10,832 INFO L280 TraceCheckUtils]: 1: Hoare triple {2295#true} havoc main_#res;havoc main_#t~ret11.base, main_#t~ret11.offset, main_#t~post12, main_~new_data~0, main_#t~ret14, main_#t~post13, main_~expected~0, main_~len~0, main_~data~0, main_~s~0.base, main_~s~0.offset, main_~i~0;main_~len~0 := 2;main_~data~0 := 1;sll_create_#in~len, sll_create_#in~data := main_~len~0, main_~data~0;havoc sll_create_#res.base, sll_create_#res.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset, sll_create_#t~post3, sll_create_~new_head~0.base, sll_create_~new_head~0.offset, sll_create_~len, sll_create_~data, sll_create_~head~0.base, sll_create_~head~0.offset;sll_create_~len := sll_create_#in~len;sll_create_~data := sll_create_#in~data;sll_create_~head~0.base, sll_create_~head~0.offset := 0, 0; {2297#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:10,833 INFO L280 TraceCheckUtils]: 2: Hoare triple {2297#(<= ULTIMATE.start_main_~len~0 2)} assume !!(sll_create_~len > 0);node_create_#in~data := sll_create_~data;havoc node_create_#res.base, node_create_#res.offset;havoc node_create_#t~malloc2.base, node_create_#t~malloc2.offset, node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset;node_create_~data := node_create_#in~data;call node_create_#t~malloc2.base, node_create_#t~malloc2.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0.base, node_create_~temp~0.offset := node_create_#t~malloc2.base, node_create_#t~malloc2.offset; {2297#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:10,834 INFO L280 TraceCheckUtils]: 3: Hoare triple {2297#(<= ULTIMATE.start_main_~len~0 2)} assume !(0 == node_create_~temp~0.base && 0 == node_create_~temp~0.offset); {2297#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:10,834 INFO L280 TraceCheckUtils]: 4: Hoare triple {2297#(<= ULTIMATE.start_main_~len~0 2)} call write~$Pointer$(0, 0, node_create_~temp~0.base, 4 + node_create_~temp~0.offset, 4);call write~int(node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset, 4);node_create_#res.base, node_create_#res.offset := node_create_~temp~0.base, node_create_~temp~0.offset; {2297#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:10,834 INFO L280 TraceCheckUtils]: 5: Hoare triple {2297#(<= ULTIMATE.start_main_~len~0 2)} sll_create_#t~ret4.base, sll_create_#t~ret4.offset := node_create_#res.base, node_create_#res.offset;sll_create_~new_head~0.base, sll_create_~new_head~0.offset := sll_create_#t~ret4.base, sll_create_#t~ret4.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset;call write~$Pointer$(sll_create_~head~0.base, sll_create_~head~0.offset, sll_create_~new_head~0.base, 4 + sll_create_~new_head~0.offset, 4);sll_create_~head~0.base, sll_create_~head~0.offset := sll_create_~new_head~0.base, sll_create_~new_head~0.offset; {2297#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:10,835 INFO L280 TraceCheckUtils]: 6: Hoare triple {2297#(<= ULTIMATE.start_main_~len~0 2)} sll_create_#t~post3 := sll_create_~len;sll_create_~len := sll_create_#t~post3 - 1;havoc sll_create_#t~post3; {2297#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:10,835 INFO L280 TraceCheckUtils]: 7: Hoare triple {2297#(<= ULTIMATE.start_main_~len~0 2)} assume !!(sll_create_~len > 0);node_create_#in~data := sll_create_~data;havoc node_create_#res.base, node_create_#res.offset;havoc node_create_#t~malloc2.base, node_create_#t~malloc2.offset, node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset;node_create_~data := node_create_#in~data;call node_create_#t~malloc2.base, node_create_#t~malloc2.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0.base, node_create_~temp~0.offset := node_create_#t~malloc2.base, node_create_#t~malloc2.offset; {2297#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:10,836 INFO L280 TraceCheckUtils]: 8: Hoare triple {2297#(<= ULTIMATE.start_main_~len~0 2)} assume !(0 == node_create_~temp~0.base && 0 == node_create_~temp~0.offset); {2297#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:10,836 INFO L280 TraceCheckUtils]: 9: Hoare triple {2297#(<= ULTIMATE.start_main_~len~0 2)} call write~$Pointer$(0, 0, node_create_~temp~0.base, 4 + node_create_~temp~0.offset, 4);call write~int(node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset, 4);node_create_#res.base, node_create_#res.offset := node_create_~temp~0.base, node_create_~temp~0.offset; {2297#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:10,836 INFO L280 TraceCheckUtils]: 10: Hoare triple {2297#(<= ULTIMATE.start_main_~len~0 2)} sll_create_#t~ret4.base, sll_create_#t~ret4.offset := node_create_#res.base, node_create_#res.offset;sll_create_~new_head~0.base, sll_create_~new_head~0.offset := sll_create_#t~ret4.base, sll_create_#t~ret4.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset;call write~$Pointer$(sll_create_~head~0.base, sll_create_~head~0.offset, sll_create_~new_head~0.base, 4 + sll_create_~new_head~0.offset, 4);sll_create_~head~0.base, sll_create_~head~0.offset := sll_create_~new_head~0.base, sll_create_~new_head~0.offset; {2297#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:10,837 INFO L280 TraceCheckUtils]: 11: Hoare triple {2297#(<= ULTIMATE.start_main_~len~0 2)} sll_create_#t~post3 := sll_create_~len;sll_create_~len := sll_create_#t~post3 - 1;havoc sll_create_#t~post3; {2297#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:10,837 INFO L280 TraceCheckUtils]: 12: Hoare triple {2297#(<= ULTIMATE.start_main_~len~0 2)} assume !(sll_create_~len > 0); {2297#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:10,838 INFO L280 TraceCheckUtils]: 13: Hoare triple {2297#(<= ULTIMATE.start_main_~len~0 2)} sll_create_#res.base, sll_create_#res.offset := sll_create_~head~0.base, sll_create_~head~0.offset; {2297#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:10,839 INFO L280 TraceCheckUtils]: 14: Hoare triple {2297#(<= ULTIMATE.start_main_~len~0 2)} main_#t~ret11.base, main_#t~ret11.offset := sll_create_#res.base, sll_create_#res.offset;main_~s~0.base, main_~s~0.offset := main_#t~ret11.base, main_#t~ret11.offset;havoc main_#t~ret11.base, main_#t~ret11.offset;havoc main_~i~0;main_~i~0 := main_~len~0 - 1; {2298#(<= ULTIMATE.start_main_~i~0 1)} is VALID [2020-07-28 18:08:10,839 INFO L280 TraceCheckUtils]: 15: Hoare triple {2298#(<= ULTIMATE.start_main_~i~0 1)} assume !!(main_~i~0 >= 0);main_~new_data~0 := main_~i~0 + main_~len~0;sll_update_at_#in~head.base, sll_update_at_#in~head.offset, sll_update_at_#in~data, sll_update_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~new_data~0, main_~i~0;havoc sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset, sll_update_at_#t~post10, sll_update_at_~head.base, sll_update_at_~head.offset, sll_update_at_~data, sll_update_at_~index;sll_update_at_~head.base, sll_update_at_~head.offset := sll_update_at_#in~head.base, sll_update_at_#in~head.offset;sll_update_at_~data := sll_update_at_#in~data;sll_update_at_~index := sll_update_at_#in~index; {2298#(<= ULTIMATE.start_main_~i~0 1)} is VALID [2020-07-28 18:08:10,840 INFO L280 TraceCheckUtils]: 16: Hoare triple {2298#(<= ULTIMATE.start_main_~i~0 1)} assume !!(sll_update_at_~index > 0);call sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset := read~$Pointer$(sll_update_at_~head.base, 4 + sll_update_at_~head.offset, 4);sll_update_at_~head.base, sll_update_at_~head.offset := sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset;havoc sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset;sll_update_at_#t~post10 := sll_update_at_~index;sll_update_at_~index := sll_update_at_#t~post10 - 1;havoc sll_update_at_#t~post10; {2298#(<= ULTIMATE.start_main_~i~0 1)} is VALID [2020-07-28 18:08:10,840 INFO L280 TraceCheckUtils]: 17: Hoare triple {2298#(<= ULTIMATE.start_main_~i~0 1)} assume !(sll_update_at_~index > 0); {2298#(<= ULTIMATE.start_main_~i~0 1)} is VALID [2020-07-28 18:08:10,841 INFO L280 TraceCheckUtils]: 18: Hoare triple {2298#(<= ULTIMATE.start_main_~i~0 1)} call write~int(sll_update_at_~data, sll_update_at_~head.base, sll_update_at_~head.offset, 4); {2298#(<= ULTIMATE.start_main_~i~0 1)} is VALID [2020-07-28 18:08:10,842 INFO L280 TraceCheckUtils]: 19: Hoare triple {2298#(<= ULTIMATE.start_main_~i~0 1)} main_#t~post12 := main_~i~0;main_~i~0 := main_#t~post12 - 1;havoc main_#t~post12; {2299#(<= ULTIMATE.start_main_~i~0 0)} is VALID [2020-07-28 18:08:10,843 INFO L280 TraceCheckUtils]: 20: Hoare triple {2299#(<= ULTIMATE.start_main_~i~0 0)} assume !!(main_~i~0 >= 0);main_~new_data~0 := main_~i~0 + main_~len~0;sll_update_at_#in~head.base, sll_update_at_#in~head.offset, sll_update_at_#in~data, sll_update_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~new_data~0, main_~i~0;havoc sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset, sll_update_at_#t~post10, sll_update_at_~head.base, sll_update_at_~head.offset, sll_update_at_~data, sll_update_at_~index;sll_update_at_~head.base, sll_update_at_~head.offset := sll_update_at_#in~head.base, sll_update_at_#in~head.offset;sll_update_at_~data := sll_update_at_#in~data;sll_update_at_~index := sll_update_at_#in~index; {2300#(<= ULTIMATE.start_sll_update_at_~index 0)} is VALID [2020-07-28 18:08:10,843 INFO L280 TraceCheckUtils]: 21: Hoare triple {2300#(<= ULTIMATE.start_sll_update_at_~index 0)} assume !!(sll_update_at_~index > 0);call sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset := read~$Pointer$(sll_update_at_~head.base, 4 + sll_update_at_~head.offset, 4);sll_update_at_~head.base, sll_update_at_~head.offset := sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset;havoc sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset;sll_update_at_#t~post10 := sll_update_at_~index;sll_update_at_~index := sll_update_at_#t~post10 - 1;havoc sll_update_at_#t~post10; {2296#false} is VALID [2020-07-28 18:08:10,844 INFO L280 TraceCheckUtils]: 22: Hoare triple {2296#false} assume !(sll_update_at_~index > 0); {2296#false} is VALID [2020-07-28 18:08:10,844 INFO L280 TraceCheckUtils]: 23: Hoare triple {2296#false} call write~int(sll_update_at_~data, sll_update_at_~head.base, sll_update_at_~head.offset, 4); {2296#false} is VALID [2020-07-28 18:08:10,844 INFO L280 TraceCheckUtils]: 24: Hoare triple {2296#false} main_#t~post12 := main_~i~0;main_~i~0 := main_#t~post12 - 1;havoc main_#t~post12; {2296#false} is VALID [2020-07-28 18:08:10,844 INFO L280 TraceCheckUtils]: 25: Hoare triple {2296#false} assume !(main_~i~0 >= 0); {2296#false} is VALID [2020-07-28 18:08:10,845 INFO L280 TraceCheckUtils]: 26: Hoare triple {2296#false} main_~i~0 := main_~len~0 - 1; {2296#false} is VALID [2020-07-28 18:08:10,845 INFO L280 TraceCheckUtils]: 27: Hoare triple {2296#false} assume !!(main_~i~0 >= 0);main_~expected~0 := main_~i~0 + main_~len~0;sll_get_data_at_#in~head.base, sll_get_data_at_#in~head.offset, sll_get_data_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~i~0;havoc sll_get_data_at_#res;havoc sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset, sll_get_data_at_#t~post7, sll_get_data_at_#t~mem8, sll_get_data_at_~head.base, sll_get_data_at_~head.offset, sll_get_data_at_~index;sll_get_data_at_~head.base, sll_get_data_at_~head.offset := sll_get_data_at_#in~head.base, sll_get_data_at_#in~head.offset;sll_get_data_at_~index := sll_get_data_at_#in~index; {2296#false} is VALID [2020-07-28 18:08:10,845 INFO L280 TraceCheckUtils]: 28: Hoare triple {2296#false} assume !!(sll_get_data_at_~index > 0);call sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset := read~$Pointer$(sll_get_data_at_~head.base, 4 + sll_get_data_at_~head.offset, 4);sll_get_data_at_~head.base, sll_get_data_at_~head.offset := sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset;havoc sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset;sll_get_data_at_#t~post7 := sll_get_data_at_~index;sll_get_data_at_~index := sll_get_data_at_#t~post7 - 1;havoc sll_get_data_at_#t~post7; {2296#false} is VALID [2020-07-28 18:08:10,845 INFO L280 TraceCheckUtils]: 29: Hoare triple {2296#false} assume !(sll_get_data_at_~index > 0); {2296#false} is VALID [2020-07-28 18:08:10,846 INFO L280 TraceCheckUtils]: 30: Hoare triple {2296#false} call sll_get_data_at_#t~mem8 := read~int(sll_get_data_at_~head.base, sll_get_data_at_~head.offset, 4);sll_get_data_at_#res := sll_get_data_at_#t~mem8;havoc sll_get_data_at_#t~mem8; {2296#false} is VALID [2020-07-28 18:08:10,846 INFO L280 TraceCheckUtils]: 31: Hoare triple {2296#false} main_#t~ret14 := sll_get_data_at_#res;assume -2147483648 <= main_#t~ret14 && main_#t~ret14 <= 2147483647; {2296#false} is VALID [2020-07-28 18:08:10,846 INFO L280 TraceCheckUtils]: 32: Hoare triple {2296#false} assume main_~expected~0 != main_#t~ret14;havoc main_#t~ret14; {2296#false} is VALID [2020-07-28 18:08:10,846 INFO L280 TraceCheckUtils]: 33: Hoare triple {2296#false} assume !false; {2296#false} is VALID [2020-07-28 18:08:10,847 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-28 18:08:10,848 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351686786] [2020-07-28 18:08:10,848 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [736447084] [2020-07-28 18:08:10,848 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-28 18:08:10,952 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-07-28 18:08:10,952 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-28 18:08:10,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-28 18:08:10,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:08:10,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 18:08:11,113 INFO L280 TraceCheckUtils]: 0: Hoare triple {2295#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {2295#true} is VALID [2020-07-28 18:08:11,113 INFO L280 TraceCheckUtils]: 1: Hoare triple {2295#true} havoc main_#res;havoc main_#t~ret11.base, main_#t~ret11.offset, main_#t~post12, main_~new_data~0, main_#t~ret14, main_#t~post13, main_~expected~0, main_~len~0, main_~data~0, main_~s~0.base, main_~s~0.offset, main_~i~0;main_~len~0 := 2;main_~data~0 := 1;sll_create_#in~len, sll_create_#in~data := main_~len~0, main_~data~0;havoc sll_create_#res.base, sll_create_#res.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset, sll_create_#t~post3, sll_create_~new_head~0.base, sll_create_~new_head~0.offset, sll_create_~len, sll_create_~data, sll_create_~head~0.base, sll_create_~head~0.offset;sll_create_~len := sll_create_#in~len;sll_create_~data := sll_create_#in~data;sll_create_~head~0.base, sll_create_~head~0.offset := 0, 0; {2295#true} is VALID [2020-07-28 18:08:11,114 INFO L280 TraceCheckUtils]: 2: Hoare triple {2295#true} assume !!(sll_create_~len > 0);node_create_#in~data := sll_create_~data;havoc node_create_#res.base, node_create_#res.offset;havoc node_create_#t~malloc2.base, node_create_#t~malloc2.offset, node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset;node_create_~data := node_create_#in~data;call node_create_#t~malloc2.base, node_create_#t~malloc2.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0.base, node_create_~temp~0.offset := node_create_#t~malloc2.base, node_create_#t~malloc2.offset; {2295#true} is VALID [2020-07-28 18:08:11,114 INFO L280 TraceCheckUtils]: 3: Hoare triple {2295#true} assume !(0 == node_create_~temp~0.base && 0 == node_create_~temp~0.offset); {2295#true} is VALID [2020-07-28 18:08:11,114 INFO L280 TraceCheckUtils]: 4: Hoare triple {2295#true} call write~$Pointer$(0, 0, node_create_~temp~0.base, 4 + node_create_~temp~0.offset, 4);call write~int(node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset, 4);node_create_#res.base, node_create_#res.offset := node_create_~temp~0.base, node_create_~temp~0.offset; {2295#true} is VALID [2020-07-28 18:08:11,115 INFO L280 TraceCheckUtils]: 5: Hoare triple {2295#true} sll_create_#t~ret4.base, sll_create_#t~ret4.offset := node_create_#res.base, node_create_#res.offset;sll_create_~new_head~0.base, sll_create_~new_head~0.offset := sll_create_#t~ret4.base, sll_create_#t~ret4.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset;call write~$Pointer$(sll_create_~head~0.base, sll_create_~head~0.offset, sll_create_~new_head~0.base, 4 + sll_create_~new_head~0.offset, 4);sll_create_~head~0.base, sll_create_~head~0.offset := sll_create_~new_head~0.base, sll_create_~new_head~0.offset; {2295#true} is VALID [2020-07-28 18:08:11,115 INFO L280 TraceCheckUtils]: 6: Hoare triple {2295#true} sll_create_#t~post3 := sll_create_~len;sll_create_~len := sll_create_#t~post3 - 1;havoc sll_create_#t~post3; {2295#true} is VALID [2020-07-28 18:08:11,115 INFO L280 TraceCheckUtils]: 7: Hoare triple {2295#true} assume !!(sll_create_~len > 0);node_create_#in~data := sll_create_~data;havoc node_create_#res.base, node_create_#res.offset;havoc node_create_#t~malloc2.base, node_create_#t~malloc2.offset, node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset;node_create_~data := node_create_#in~data;call node_create_#t~malloc2.base, node_create_#t~malloc2.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0.base, node_create_~temp~0.offset := node_create_#t~malloc2.base, node_create_#t~malloc2.offset; {2295#true} is VALID [2020-07-28 18:08:11,115 INFO L280 TraceCheckUtils]: 8: Hoare triple {2295#true} assume !(0 == node_create_~temp~0.base && 0 == node_create_~temp~0.offset); {2295#true} is VALID [2020-07-28 18:08:11,116 INFO L280 TraceCheckUtils]: 9: Hoare triple {2295#true} call write~$Pointer$(0, 0, node_create_~temp~0.base, 4 + node_create_~temp~0.offset, 4);call write~int(node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset, 4);node_create_#res.base, node_create_#res.offset := node_create_~temp~0.base, node_create_~temp~0.offset; {2295#true} is VALID [2020-07-28 18:08:11,116 INFO L280 TraceCheckUtils]: 10: Hoare triple {2295#true} sll_create_#t~ret4.base, sll_create_#t~ret4.offset := node_create_#res.base, node_create_#res.offset;sll_create_~new_head~0.base, sll_create_~new_head~0.offset := sll_create_#t~ret4.base, sll_create_#t~ret4.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset;call write~$Pointer$(sll_create_~head~0.base, sll_create_~head~0.offset, sll_create_~new_head~0.base, 4 + sll_create_~new_head~0.offset, 4);sll_create_~head~0.base, sll_create_~head~0.offset := sll_create_~new_head~0.base, sll_create_~new_head~0.offset; {2295#true} is VALID [2020-07-28 18:08:11,116 INFO L280 TraceCheckUtils]: 11: Hoare triple {2295#true} sll_create_#t~post3 := sll_create_~len;sll_create_~len := sll_create_#t~post3 - 1;havoc sll_create_#t~post3; {2295#true} is VALID [2020-07-28 18:08:11,117 INFO L280 TraceCheckUtils]: 12: Hoare triple {2295#true} assume !(sll_create_~len > 0); {2295#true} is VALID [2020-07-28 18:08:11,117 INFO L280 TraceCheckUtils]: 13: Hoare triple {2295#true} sll_create_#res.base, sll_create_#res.offset := sll_create_~head~0.base, sll_create_~head~0.offset; {2295#true} is VALID [2020-07-28 18:08:11,117 INFO L280 TraceCheckUtils]: 14: Hoare triple {2295#true} main_#t~ret11.base, main_#t~ret11.offset := sll_create_#res.base, sll_create_#res.offset;main_~s~0.base, main_~s~0.offset := main_#t~ret11.base, main_#t~ret11.offset;havoc main_#t~ret11.base, main_#t~ret11.offset;havoc main_~i~0;main_~i~0 := main_~len~0 - 1; {2295#true} is VALID [2020-07-28 18:08:11,117 INFO L280 TraceCheckUtils]: 15: Hoare triple {2295#true} assume !!(main_~i~0 >= 0);main_~new_data~0 := main_~i~0 + main_~len~0;sll_update_at_#in~head.base, sll_update_at_#in~head.offset, sll_update_at_#in~data, sll_update_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~new_data~0, main_~i~0;havoc sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset, sll_update_at_#t~post10, sll_update_at_~head.base, sll_update_at_~head.offset, sll_update_at_~data, sll_update_at_~index;sll_update_at_~head.base, sll_update_at_~head.offset := sll_update_at_#in~head.base, sll_update_at_#in~head.offset;sll_update_at_~data := sll_update_at_#in~data;sll_update_at_~index := sll_update_at_#in~index; {2295#true} is VALID [2020-07-28 18:08:11,117 INFO L280 TraceCheckUtils]: 16: Hoare triple {2295#true} assume !!(sll_update_at_~index > 0);call sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset := read~$Pointer$(sll_update_at_~head.base, 4 + sll_update_at_~head.offset, 4);sll_update_at_~head.base, sll_update_at_~head.offset := sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset;havoc sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset;sll_update_at_#t~post10 := sll_update_at_~index;sll_update_at_~index := sll_update_at_#t~post10 - 1;havoc sll_update_at_#t~post10; {2295#true} is VALID [2020-07-28 18:08:11,117 INFO L280 TraceCheckUtils]: 17: Hoare triple {2295#true} assume !(sll_update_at_~index > 0); {2295#true} is VALID [2020-07-28 18:08:11,117 INFO L280 TraceCheckUtils]: 18: Hoare triple {2295#true} call write~int(sll_update_at_~data, sll_update_at_~head.base, sll_update_at_~head.offset, 4); {2295#true} is VALID [2020-07-28 18:08:11,118 INFO L280 TraceCheckUtils]: 19: Hoare triple {2295#true} main_#t~post12 := main_~i~0;main_~i~0 := main_#t~post12 - 1;havoc main_#t~post12; {2295#true} is VALID [2020-07-28 18:08:11,119 INFO L280 TraceCheckUtils]: 20: Hoare triple {2295#true} assume !!(main_~i~0 >= 0);main_~new_data~0 := main_~i~0 + main_~len~0;sll_update_at_#in~head.base, sll_update_at_#in~head.offset, sll_update_at_#in~data, sll_update_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~new_data~0, main_~i~0;havoc sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset, sll_update_at_#t~post10, sll_update_at_~head.base, sll_update_at_~head.offset, sll_update_at_~data, sll_update_at_~index;sll_update_at_~head.base, sll_update_at_~head.offset := sll_update_at_#in~head.base, sll_update_at_#in~head.offset;sll_update_at_~data := sll_update_at_#in~data;sll_update_at_~index := sll_update_at_#in~index; {2364#(<= ULTIMATE.start_sll_update_at_~index ULTIMATE.start_main_~i~0)} is VALID [2020-07-28 18:08:11,119 INFO L280 TraceCheckUtils]: 21: Hoare triple {2364#(<= ULTIMATE.start_sll_update_at_~index ULTIMATE.start_main_~i~0)} assume !!(sll_update_at_~index > 0);call sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset := read~$Pointer$(sll_update_at_~head.base, 4 + sll_update_at_~head.offset, 4);sll_update_at_~head.base, sll_update_at_~head.offset := sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset;havoc sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset;sll_update_at_#t~post10 := sll_update_at_~index;sll_update_at_~index := sll_update_at_#t~post10 - 1;havoc sll_update_at_#t~post10; {2368#(<= 1 ULTIMATE.start_main_~i~0)} is VALID [2020-07-28 18:08:11,120 INFO L280 TraceCheckUtils]: 22: Hoare triple {2368#(<= 1 ULTIMATE.start_main_~i~0)} assume !(sll_update_at_~index > 0); {2368#(<= 1 ULTIMATE.start_main_~i~0)} is VALID [2020-07-28 18:08:11,120 INFO L280 TraceCheckUtils]: 23: Hoare triple {2368#(<= 1 ULTIMATE.start_main_~i~0)} call write~int(sll_update_at_~data, sll_update_at_~head.base, sll_update_at_~head.offset, 4); {2368#(<= 1 ULTIMATE.start_main_~i~0)} is VALID [2020-07-28 18:08:11,121 INFO L280 TraceCheckUtils]: 24: Hoare triple {2368#(<= 1 ULTIMATE.start_main_~i~0)} main_#t~post12 := main_~i~0;main_~i~0 := main_#t~post12 - 1;havoc main_#t~post12; {2378#(<= 0 ULTIMATE.start_main_~i~0)} is VALID [2020-07-28 18:08:11,122 INFO L280 TraceCheckUtils]: 25: Hoare triple {2378#(<= 0 ULTIMATE.start_main_~i~0)} assume !(main_~i~0 >= 0); {2296#false} is VALID [2020-07-28 18:08:11,122 INFO L280 TraceCheckUtils]: 26: Hoare triple {2296#false} main_~i~0 := main_~len~0 - 1; {2296#false} is VALID [2020-07-28 18:08:11,122 INFO L280 TraceCheckUtils]: 27: Hoare triple {2296#false} assume !!(main_~i~0 >= 0);main_~expected~0 := main_~i~0 + main_~len~0;sll_get_data_at_#in~head.base, sll_get_data_at_#in~head.offset, sll_get_data_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~i~0;havoc sll_get_data_at_#res;havoc sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset, sll_get_data_at_#t~post7, sll_get_data_at_#t~mem8, sll_get_data_at_~head.base, sll_get_data_at_~head.offset, sll_get_data_at_~index;sll_get_data_at_~head.base, sll_get_data_at_~head.offset := sll_get_data_at_#in~head.base, sll_get_data_at_#in~head.offset;sll_get_data_at_~index := sll_get_data_at_#in~index; {2296#false} is VALID [2020-07-28 18:08:11,123 INFO L280 TraceCheckUtils]: 28: Hoare triple {2296#false} assume !!(sll_get_data_at_~index > 0);call sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset := read~$Pointer$(sll_get_data_at_~head.base, 4 + sll_get_data_at_~head.offset, 4);sll_get_data_at_~head.base, sll_get_data_at_~head.offset := sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset;havoc sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset;sll_get_data_at_#t~post7 := sll_get_data_at_~index;sll_get_data_at_~index := sll_get_data_at_#t~post7 - 1;havoc sll_get_data_at_#t~post7; {2296#false} is VALID [2020-07-28 18:08:11,123 INFO L280 TraceCheckUtils]: 29: Hoare triple {2296#false} assume !(sll_get_data_at_~index > 0); {2296#false} is VALID [2020-07-28 18:08:11,123 INFO L280 TraceCheckUtils]: 30: Hoare triple {2296#false} call sll_get_data_at_#t~mem8 := read~int(sll_get_data_at_~head.base, sll_get_data_at_~head.offset, 4);sll_get_data_at_#res := sll_get_data_at_#t~mem8;havoc sll_get_data_at_#t~mem8; {2296#false} is VALID [2020-07-28 18:08:11,123 INFO L280 TraceCheckUtils]: 31: Hoare triple {2296#false} main_#t~ret14 := sll_get_data_at_#res;assume -2147483648 <= main_#t~ret14 && main_#t~ret14 <= 2147483647; {2296#false} is VALID [2020-07-28 18:08:11,124 INFO L280 TraceCheckUtils]: 32: Hoare triple {2296#false} assume main_~expected~0 != main_#t~ret14;havoc main_#t~ret14; {2296#false} is VALID [2020-07-28 18:08:11,124 INFO L280 TraceCheckUtils]: 33: Hoare triple {2296#false} assume !false; {2296#false} is VALID [2020-07-28 18:08:11,125 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-28 18:08:11,126 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-28 18:08:11,126 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2020-07-28 18:08:11,127 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065539025] [2020-07-28 18:08:11,127 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 34 [2020-07-28 18:08:11,127 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:08:11,127 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2020-07-28 18:08:11,193 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:08:11,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-28 18:08:11,193 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:08:11,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-28 18:08:11,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-28 18:08:11,194 INFO L87 Difference]: Start difference. First operand 52 states and 60 transitions. Second operand 9 states. [2020-07-28 18:08:11,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:08:11,739 INFO L93 Difference]: Finished difference Result 62 states and 71 transitions. [2020-07-28 18:08:11,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-28 18:08:11,739 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 34 [2020-07-28 18:08:11,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:08:11,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-28 18:08:11,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 56 transitions. [2020-07-28 18:08:11,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-28 18:08:11,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 56 transitions. [2020-07-28 18:08:11,741 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 56 transitions. [2020-07-28 18:08:11,814 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 56 edges. 56 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:08:11,815 INFO L225 Difference]: With dead ends: 62 [2020-07-28 18:08:11,815 INFO L226 Difference]: Without dead ends: 42 [2020-07-28 18:08:11,816 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2020-07-28 18:08:11,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-07-28 18:08:11,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 41. [2020-07-28 18:08:11,963 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:08:11,963 INFO L82 GeneralOperation]: Start isEquivalent. First operand 42 states. Second operand 41 states. [2020-07-28 18:08:11,964 INFO L74 IsIncluded]: Start isIncluded. First operand 42 states. Second operand 41 states. [2020-07-28 18:08:11,964 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 41 states. [2020-07-28 18:08:11,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:08:11,965 INFO L93 Difference]: Finished difference Result 42 states and 45 transitions. [2020-07-28 18:08:11,965 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2020-07-28 18:08:11,966 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:08:11,966 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:08:11,966 INFO L74 IsIncluded]: Start isIncluded. First operand 41 states. Second operand 42 states. [2020-07-28 18:08:11,966 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 42 states. [2020-07-28 18:08:11,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:08:11,967 INFO L93 Difference]: Finished difference Result 42 states and 45 transitions. [2020-07-28 18:08:11,967 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2020-07-28 18:08:11,967 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:08:11,967 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:08:11,968 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:08:11,968 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:08:11,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-07-28 18:08:11,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 44 transitions. [2020-07-28 18:08:11,969 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 44 transitions. Word has length 34 [2020-07-28 18:08:11,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:08:11,969 INFO L479 AbstractCegarLoop]: Abstraction has 41 states and 44 transitions. [2020-07-28 18:08:11,969 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-28 18:08:11,969 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions. [2020-07-28 18:08:11,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-07-28 18:08:11,970 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:08:11,970 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:08:12,179 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-28 18:08:12,180 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:08:12,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:08:12,181 INFO L82 PathProgramCache]: Analyzing trace with hash -1232245788, now seen corresponding path program 1 times [2020-07-28 18:08:12,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:08:12,181 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890617890] [2020-07-28 18:08:12,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:08:12,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:08:12,498 INFO L280 TraceCheckUtils]: 0: Hoare triple {2661#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {2661#true} is VALID [2020-07-28 18:08:12,499 INFO L280 TraceCheckUtils]: 1: Hoare triple {2661#true} havoc main_#res;havoc main_#t~ret11.base, main_#t~ret11.offset, main_#t~post12, main_~new_data~0, main_#t~ret14, main_#t~post13, main_~expected~0, main_~len~0, main_~data~0, main_~s~0.base, main_~s~0.offset, main_~i~0;main_~len~0 := 2;main_~data~0 := 1;sll_create_#in~len, sll_create_#in~data := main_~len~0, main_~data~0;havoc sll_create_#res.base, sll_create_#res.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset, sll_create_#t~post3, sll_create_~new_head~0.base, sll_create_~new_head~0.offset, sll_create_~len, sll_create_~data, sll_create_~head~0.base, sll_create_~head~0.offset;sll_create_~len := sll_create_#in~len;sll_create_~data := sll_create_#in~data;sll_create_~head~0.base, sll_create_~head~0.offset := 0, 0; {2663#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:12,500 INFO L280 TraceCheckUtils]: 2: Hoare triple {2663#(<= ULTIMATE.start_main_~len~0 2)} assume !!(sll_create_~len > 0);node_create_#in~data := sll_create_~data;havoc node_create_#res.base, node_create_#res.offset;havoc node_create_#t~malloc2.base, node_create_#t~malloc2.offset, node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset;node_create_~data := node_create_#in~data;call node_create_#t~malloc2.base, node_create_#t~malloc2.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0.base, node_create_~temp~0.offset := node_create_#t~malloc2.base, node_create_#t~malloc2.offset; {2663#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:12,501 INFO L280 TraceCheckUtils]: 3: Hoare triple {2663#(<= ULTIMATE.start_main_~len~0 2)} assume !(0 == node_create_~temp~0.base && 0 == node_create_~temp~0.offset); {2663#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:12,502 INFO L280 TraceCheckUtils]: 4: Hoare triple {2663#(<= ULTIMATE.start_main_~len~0 2)} call write~$Pointer$(0, 0, node_create_~temp~0.base, 4 + node_create_~temp~0.offset, 4);call write~int(node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset, 4);node_create_#res.base, node_create_#res.offset := node_create_~temp~0.base, node_create_~temp~0.offset; {2663#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:12,502 INFO L280 TraceCheckUtils]: 5: Hoare triple {2663#(<= ULTIMATE.start_main_~len~0 2)} sll_create_#t~ret4.base, sll_create_#t~ret4.offset := node_create_#res.base, node_create_#res.offset;sll_create_~new_head~0.base, sll_create_~new_head~0.offset := sll_create_#t~ret4.base, sll_create_#t~ret4.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset;call write~$Pointer$(sll_create_~head~0.base, sll_create_~head~0.offset, sll_create_~new_head~0.base, 4 + sll_create_~new_head~0.offset, 4);sll_create_~head~0.base, sll_create_~head~0.offset := sll_create_~new_head~0.base, sll_create_~new_head~0.offset; {2663#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:12,503 INFO L280 TraceCheckUtils]: 6: Hoare triple {2663#(<= ULTIMATE.start_main_~len~0 2)} sll_create_#t~post3 := sll_create_~len;sll_create_~len := sll_create_#t~post3 - 1;havoc sll_create_#t~post3; {2663#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:12,503 INFO L280 TraceCheckUtils]: 7: Hoare triple {2663#(<= ULTIMATE.start_main_~len~0 2)} assume !!(sll_create_~len > 0);node_create_#in~data := sll_create_~data;havoc node_create_#res.base, node_create_#res.offset;havoc node_create_#t~malloc2.base, node_create_#t~malloc2.offset, node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset;node_create_~data := node_create_#in~data;call node_create_#t~malloc2.base, node_create_#t~malloc2.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0.base, node_create_~temp~0.offset := node_create_#t~malloc2.base, node_create_#t~malloc2.offset; {2663#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:12,504 INFO L280 TraceCheckUtils]: 8: Hoare triple {2663#(<= ULTIMATE.start_main_~len~0 2)} assume !(0 == node_create_~temp~0.base && 0 == node_create_~temp~0.offset); {2663#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:12,504 INFO L280 TraceCheckUtils]: 9: Hoare triple {2663#(<= ULTIMATE.start_main_~len~0 2)} call write~$Pointer$(0, 0, node_create_~temp~0.base, 4 + node_create_~temp~0.offset, 4);call write~int(node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset, 4);node_create_#res.base, node_create_#res.offset := node_create_~temp~0.base, node_create_~temp~0.offset; {2663#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:12,505 INFO L280 TraceCheckUtils]: 10: Hoare triple {2663#(<= ULTIMATE.start_main_~len~0 2)} sll_create_#t~ret4.base, sll_create_#t~ret4.offset := node_create_#res.base, node_create_#res.offset;sll_create_~new_head~0.base, sll_create_~new_head~0.offset := sll_create_#t~ret4.base, sll_create_#t~ret4.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset;call write~$Pointer$(sll_create_~head~0.base, sll_create_~head~0.offset, sll_create_~new_head~0.base, 4 + sll_create_~new_head~0.offset, 4);sll_create_~head~0.base, sll_create_~head~0.offset := sll_create_~new_head~0.base, sll_create_~new_head~0.offset; {2663#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:12,507 INFO L280 TraceCheckUtils]: 11: Hoare triple {2663#(<= ULTIMATE.start_main_~len~0 2)} sll_create_#t~post3 := sll_create_~len;sll_create_~len := sll_create_#t~post3 - 1;havoc sll_create_#t~post3; {2663#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:12,508 INFO L280 TraceCheckUtils]: 12: Hoare triple {2663#(<= ULTIMATE.start_main_~len~0 2)} assume !(sll_create_~len > 0); {2663#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:12,509 INFO L280 TraceCheckUtils]: 13: Hoare triple {2663#(<= ULTIMATE.start_main_~len~0 2)} sll_create_#res.base, sll_create_#res.offset := sll_create_~head~0.base, sll_create_~head~0.offset; {2663#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:12,510 INFO L280 TraceCheckUtils]: 14: Hoare triple {2663#(<= ULTIMATE.start_main_~len~0 2)} main_#t~ret11.base, main_#t~ret11.offset := sll_create_#res.base, sll_create_#res.offset;main_~s~0.base, main_~s~0.offset := main_#t~ret11.base, main_#t~ret11.offset;havoc main_#t~ret11.base, main_#t~ret11.offset;havoc main_~i~0;main_~i~0 := main_~len~0 - 1; {2664#(and (<= ULTIMATE.start_main_~len~0 2) (<= (+ ULTIMATE.start_main_~i~0 1) ULTIMATE.start_main_~len~0))} is VALID [2020-07-28 18:08:12,511 INFO L280 TraceCheckUtils]: 15: Hoare triple {2664#(and (<= ULTIMATE.start_main_~len~0 2) (<= (+ ULTIMATE.start_main_~i~0 1) ULTIMATE.start_main_~len~0))} assume !!(main_~i~0 >= 0);main_~new_data~0 := main_~i~0 + main_~len~0;sll_update_at_#in~head.base, sll_update_at_#in~head.offset, sll_update_at_#in~data, sll_update_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~new_data~0, main_~i~0;havoc sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset, sll_update_at_#t~post10, sll_update_at_~head.base, sll_update_at_~head.offset, sll_update_at_~data, sll_update_at_~index;sll_update_at_~head.base, sll_update_at_~head.offset := sll_update_at_#in~head.base, sll_update_at_#in~head.offset;sll_update_at_~data := sll_update_at_#in~data;sll_update_at_~index := sll_update_at_#in~index; {2664#(and (<= ULTIMATE.start_main_~len~0 2) (<= (+ ULTIMATE.start_main_~i~0 1) ULTIMATE.start_main_~len~0))} is VALID [2020-07-28 18:08:12,513 INFO L280 TraceCheckUtils]: 16: Hoare triple {2664#(and (<= ULTIMATE.start_main_~len~0 2) (<= (+ ULTIMATE.start_main_~i~0 1) ULTIMATE.start_main_~len~0))} assume !!(sll_update_at_~index > 0);call sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset := read~$Pointer$(sll_update_at_~head.base, 4 + sll_update_at_~head.offset, 4);sll_update_at_~head.base, sll_update_at_~head.offset := sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset;havoc sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset;sll_update_at_#t~post10 := sll_update_at_~index;sll_update_at_~index := sll_update_at_#t~post10 - 1;havoc sll_update_at_#t~post10; {2664#(and (<= ULTIMATE.start_main_~len~0 2) (<= (+ ULTIMATE.start_main_~i~0 1) ULTIMATE.start_main_~len~0))} is VALID [2020-07-28 18:08:12,514 INFO L280 TraceCheckUtils]: 17: Hoare triple {2664#(and (<= ULTIMATE.start_main_~len~0 2) (<= (+ ULTIMATE.start_main_~i~0 1) ULTIMATE.start_main_~len~0))} assume !(sll_update_at_~index > 0); {2664#(and (<= ULTIMATE.start_main_~len~0 2) (<= (+ ULTIMATE.start_main_~i~0 1) ULTIMATE.start_main_~len~0))} is VALID [2020-07-28 18:08:12,516 INFO L280 TraceCheckUtils]: 18: Hoare triple {2664#(and (<= ULTIMATE.start_main_~len~0 2) (<= (+ ULTIMATE.start_main_~i~0 1) ULTIMATE.start_main_~len~0))} call write~int(sll_update_at_~data, sll_update_at_~head.base, sll_update_at_~head.offset, 4); {2664#(and (<= ULTIMATE.start_main_~len~0 2) (<= (+ ULTIMATE.start_main_~i~0 1) ULTIMATE.start_main_~len~0))} is VALID [2020-07-28 18:08:12,516 INFO L280 TraceCheckUtils]: 19: Hoare triple {2664#(and (<= ULTIMATE.start_main_~len~0 2) (<= (+ ULTIMATE.start_main_~i~0 1) ULTIMATE.start_main_~len~0))} main_#t~post12 := main_~i~0;main_~i~0 := main_#t~post12 - 1;havoc main_#t~post12; {2665#(and (<= (+ ULTIMATE.start_main_~i~0 2) ULTIMATE.start_main_~len~0) (<= ULTIMATE.start_main_~len~0 2))} is VALID [2020-07-28 18:08:12,518 INFO L280 TraceCheckUtils]: 20: Hoare triple {2665#(and (<= (+ ULTIMATE.start_main_~i~0 2) ULTIMATE.start_main_~len~0) (<= ULTIMATE.start_main_~len~0 2))} assume !!(main_~i~0 >= 0);main_~new_data~0 := main_~i~0 + main_~len~0;sll_update_at_#in~head.base, sll_update_at_#in~head.offset, sll_update_at_#in~data, sll_update_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~new_data~0, main_~i~0;havoc sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset, sll_update_at_#t~post10, sll_update_at_~head.base, sll_update_at_~head.offset, sll_update_at_~data, sll_update_at_~index;sll_update_at_~head.base, sll_update_at_~head.offset := sll_update_at_#in~head.base, sll_update_at_#in~head.offset;sll_update_at_~data := sll_update_at_#in~data;sll_update_at_~index := sll_update_at_#in~index; {2666#(and (<= (+ ULTIMATE.start_sll_update_at_~data 2) (* 2 ULTIMATE.start_main_~len~0)) (<= (* 2 ULTIMATE.start_main_~len~0) (+ ULTIMATE.start_sll_update_at_~data 2)) (= ULTIMATE.start_main_~s~0.base ULTIMATE.start_sll_update_at_~head.base) (= ULTIMATE.start_main_~s~0.offset ULTIMATE.start_sll_update_at_~head.offset))} is VALID [2020-07-28 18:08:12,518 INFO L280 TraceCheckUtils]: 21: Hoare triple {2666#(and (<= (+ ULTIMATE.start_sll_update_at_~data 2) (* 2 ULTIMATE.start_main_~len~0)) (<= (* 2 ULTIMATE.start_main_~len~0) (+ ULTIMATE.start_sll_update_at_~data 2)) (= ULTIMATE.start_main_~s~0.base ULTIMATE.start_sll_update_at_~head.base) (= ULTIMATE.start_main_~s~0.offset ULTIMATE.start_sll_update_at_~head.offset))} assume !(sll_update_at_~index > 0); {2666#(and (<= (+ ULTIMATE.start_sll_update_at_~data 2) (* 2 ULTIMATE.start_main_~len~0)) (<= (* 2 ULTIMATE.start_main_~len~0) (+ ULTIMATE.start_sll_update_at_~data 2)) (= ULTIMATE.start_main_~s~0.base ULTIMATE.start_sll_update_at_~head.base) (= ULTIMATE.start_main_~s~0.offset ULTIMATE.start_sll_update_at_~head.offset))} is VALID [2020-07-28 18:08:12,520 INFO L280 TraceCheckUtils]: 22: Hoare triple {2666#(and (<= (+ ULTIMATE.start_sll_update_at_~data 2) (* 2 ULTIMATE.start_main_~len~0)) (<= (* 2 ULTIMATE.start_main_~len~0) (+ ULTIMATE.start_sll_update_at_~data 2)) (= ULTIMATE.start_main_~s~0.base ULTIMATE.start_sll_update_at_~head.base) (= ULTIMATE.start_main_~s~0.offset ULTIMATE.start_sll_update_at_~head.offset))} call write~int(sll_update_at_~data, sll_update_at_~head.base, sll_update_at_~head.offset, 4); {2667#(and (<= (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 2) (* 2 ULTIMATE.start_main_~len~0)) (<= (* 2 ULTIMATE.start_main_~len~0) (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 2)))} is VALID [2020-07-28 18:08:12,520 INFO L280 TraceCheckUtils]: 23: Hoare triple {2667#(and (<= (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 2) (* 2 ULTIMATE.start_main_~len~0)) (<= (* 2 ULTIMATE.start_main_~len~0) (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 2)))} main_#t~post12 := main_~i~0;main_~i~0 := main_#t~post12 - 1;havoc main_#t~post12; {2667#(and (<= (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 2) (* 2 ULTIMATE.start_main_~len~0)) (<= (* 2 ULTIMATE.start_main_~len~0) (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 2)))} is VALID [2020-07-28 18:08:12,521 INFO L280 TraceCheckUtils]: 24: Hoare triple {2667#(and (<= (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 2) (* 2 ULTIMATE.start_main_~len~0)) (<= (* 2 ULTIMATE.start_main_~len~0) (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 2)))} assume !(main_~i~0 >= 0); {2667#(and (<= (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 2) (* 2 ULTIMATE.start_main_~len~0)) (<= (* 2 ULTIMATE.start_main_~len~0) (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 2)))} is VALID [2020-07-28 18:08:12,522 INFO L280 TraceCheckUtils]: 25: Hoare triple {2667#(and (<= (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 2) (* 2 ULTIMATE.start_main_~len~0)) (<= (* 2 ULTIMATE.start_main_~len~0) (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 2)))} main_~i~0 := main_~len~0 - 1; {2668#(and (<= (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 1) (+ ULTIMATE.start_main_~len~0 ULTIMATE.start_main_~i~0)) (<= (+ ULTIMATE.start_main_~len~0 ULTIMATE.start_main_~i~0) (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 1)))} is VALID [2020-07-28 18:08:12,523 INFO L280 TraceCheckUtils]: 26: Hoare triple {2668#(and (<= (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 1) (+ ULTIMATE.start_main_~len~0 ULTIMATE.start_main_~i~0)) (<= (+ ULTIMATE.start_main_~len~0 ULTIMATE.start_main_~i~0) (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 1)))} assume !!(main_~i~0 >= 0);main_~expected~0 := main_~i~0 + main_~len~0;sll_get_data_at_#in~head.base, sll_get_data_at_#in~head.offset, sll_get_data_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~i~0;havoc sll_get_data_at_#res;havoc sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset, sll_get_data_at_#t~post7, sll_get_data_at_#t~mem8, sll_get_data_at_~head.base, sll_get_data_at_~head.offset, sll_get_data_at_~index;sll_get_data_at_~head.base, sll_get_data_at_~head.offset := sll_get_data_at_#in~head.base, sll_get_data_at_#in~head.offset;sll_get_data_at_~index := sll_get_data_at_#in~index; {2668#(and (<= (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 1) (+ ULTIMATE.start_main_~len~0 ULTIMATE.start_main_~i~0)) (<= (+ ULTIMATE.start_main_~len~0 ULTIMATE.start_main_~i~0) (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 1)))} is VALID [2020-07-28 18:08:12,524 INFO L280 TraceCheckUtils]: 27: Hoare triple {2668#(and (<= (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 1) (+ ULTIMATE.start_main_~len~0 ULTIMATE.start_main_~i~0)) (<= (+ ULTIMATE.start_main_~len~0 ULTIMATE.start_main_~i~0) (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 1)))} assume !!(sll_get_data_at_~index > 0);call sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset := read~$Pointer$(sll_get_data_at_~head.base, 4 + sll_get_data_at_~head.offset, 4);sll_get_data_at_~head.base, sll_get_data_at_~head.offset := sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset;havoc sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset;sll_get_data_at_#t~post7 := sll_get_data_at_~index;sll_get_data_at_~index := sll_get_data_at_#t~post7 - 1;havoc sll_get_data_at_#t~post7; {2668#(and (<= (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 1) (+ ULTIMATE.start_main_~len~0 ULTIMATE.start_main_~i~0)) (<= (+ ULTIMATE.start_main_~len~0 ULTIMATE.start_main_~i~0) (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 1)))} is VALID [2020-07-28 18:08:12,524 INFO L280 TraceCheckUtils]: 28: Hoare triple {2668#(and (<= (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 1) (+ ULTIMATE.start_main_~len~0 ULTIMATE.start_main_~i~0)) (<= (+ ULTIMATE.start_main_~len~0 ULTIMATE.start_main_~i~0) (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 1)))} assume !(sll_get_data_at_~index > 0); {2668#(and (<= (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 1) (+ ULTIMATE.start_main_~len~0 ULTIMATE.start_main_~i~0)) (<= (+ ULTIMATE.start_main_~len~0 ULTIMATE.start_main_~i~0) (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 1)))} is VALID [2020-07-28 18:08:12,525 INFO L280 TraceCheckUtils]: 29: Hoare triple {2668#(and (<= (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 1) (+ ULTIMATE.start_main_~len~0 ULTIMATE.start_main_~i~0)) (<= (+ ULTIMATE.start_main_~len~0 ULTIMATE.start_main_~i~0) (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 1)))} call sll_get_data_at_#t~mem8 := read~int(sll_get_data_at_~head.base, sll_get_data_at_~head.offset, 4);sll_get_data_at_#res := sll_get_data_at_#t~mem8;havoc sll_get_data_at_#t~mem8; {2668#(and (<= (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 1) (+ ULTIMATE.start_main_~len~0 ULTIMATE.start_main_~i~0)) (<= (+ ULTIMATE.start_main_~len~0 ULTIMATE.start_main_~i~0) (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 1)))} is VALID [2020-07-28 18:08:12,526 INFO L280 TraceCheckUtils]: 30: Hoare triple {2668#(and (<= (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 1) (+ ULTIMATE.start_main_~len~0 ULTIMATE.start_main_~i~0)) (<= (+ ULTIMATE.start_main_~len~0 ULTIMATE.start_main_~i~0) (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 1)))} main_#t~ret14 := sll_get_data_at_#res;assume -2147483648 <= main_#t~ret14 && main_#t~ret14 <= 2147483647; {2668#(and (<= (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 1) (+ ULTIMATE.start_main_~len~0 ULTIMATE.start_main_~i~0)) (<= (+ ULTIMATE.start_main_~len~0 ULTIMATE.start_main_~i~0) (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 1)))} is VALID [2020-07-28 18:08:12,526 INFO L280 TraceCheckUtils]: 31: Hoare triple {2668#(and (<= (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 1) (+ ULTIMATE.start_main_~len~0 ULTIMATE.start_main_~i~0)) (<= (+ ULTIMATE.start_main_~len~0 ULTIMATE.start_main_~i~0) (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 1)))} assume !(main_~expected~0 != main_#t~ret14);havoc main_#t~ret14; {2668#(and (<= (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 1) (+ ULTIMATE.start_main_~len~0 ULTIMATE.start_main_~i~0)) (<= (+ ULTIMATE.start_main_~len~0 ULTIMATE.start_main_~i~0) (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 1)))} is VALID [2020-07-28 18:08:12,527 INFO L280 TraceCheckUtils]: 32: Hoare triple {2668#(and (<= (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 1) (+ ULTIMATE.start_main_~len~0 ULTIMATE.start_main_~i~0)) (<= (+ ULTIMATE.start_main_~len~0 ULTIMATE.start_main_~i~0) (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 1)))} main_#t~post13 := main_~i~0;main_~i~0 := main_#t~post13 - 1;havoc main_#t~post13; {2669#(and (<= (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) (+ ULTIMATE.start_main_~len~0 ULTIMATE.start_main_~i~0)) (<= (+ ULTIMATE.start_main_~len~0 ULTIMATE.start_main_~i~0) (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset)))} is VALID [2020-07-28 18:08:12,529 INFO L280 TraceCheckUtils]: 33: Hoare triple {2669#(and (<= (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) (+ ULTIMATE.start_main_~len~0 ULTIMATE.start_main_~i~0)) (<= (+ ULTIMATE.start_main_~len~0 ULTIMATE.start_main_~i~0) (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset)))} assume !!(main_~i~0 >= 0);main_~expected~0 := main_~i~0 + main_~len~0;sll_get_data_at_#in~head.base, sll_get_data_at_#in~head.offset, sll_get_data_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~i~0;havoc sll_get_data_at_#res;havoc sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset, sll_get_data_at_#t~post7, sll_get_data_at_#t~mem8, sll_get_data_at_~head.base, sll_get_data_at_~head.offset, sll_get_data_at_~index;sll_get_data_at_~head.base, sll_get_data_at_~head.offset := sll_get_data_at_#in~head.base, sll_get_data_at_#in~head.offset;sll_get_data_at_~index := sll_get_data_at_#in~index; {2670#(and (<= ULTIMATE.start_main_~expected~0 (select (select |#memory_int| ULTIMATE.start_sll_get_data_at_~head.base) ULTIMATE.start_sll_get_data_at_~head.offset)) (<= (select (select |#memory_int| ULTIMATE.start_sll_get_data_at_~head.base) ULTIMATE.start_sll_get_data_at_~head.offset) ULTIMATE.start_main_~expected~0))} is VALID [2020-07-28 18:08:12,529 INFO L280 TraceCheckUtils]: 34: Hoare triple {2670#(and (<= ULTIMATE.start_main_~expected~0 (select (select |#memory_int| ULTIMATE.start_sll_get_data_at_~head.base) ULTIMATE.start_sll_get_data_at_~head.offset)) (<= (select (select |#memory_int| ULTIMATE.start_sll_get_data_at_~head.base) ULTIMATE.start_sll_get_data_at_~head.offset) ULTIMATE.start_main_~expected~0))} assume !(sll_get_data_at_~index > 0); {2670#(and (<= ULTIMATE.start_main_~expected~0 (select (select |#memory_int| ULTIMATE.start_sll_get_data_at_~head.base) ULTIMATE.start_sll_get_data_at_~head.offset)) (<= (select (select |#memory_int| ULTIMATE.start_sll_get_data_at_~head.base) ULTIMATE.start_sll_get_data_at_~head.offset) ULTIMATE.start_main_~expected~0))} is VALID [2020-07-28 18:08:12,530 INFO L280 TraceCheckUtils]: 35: Hoare triple {2670#(and (<= ULTIMATE.start_main_~expected~0 (select (select |#memory_int| ULTIMATE.start_sll_get_data_at_~head.base) ULTIMATE.start_sll_get_data_at_~head.offset)) (<= (select (select |#memory_int| ULTIMATE.start_sll_get_data_at_~head.base) ULTIMATE.start_sll_get_data_at_~head.offset) ULTIMATE.start_main_~expected~0))} call sll_get_data_at_#t~mem8 := read~int(sll_get_data_at_~head.base, sll_get_data_at_~head.offset, 4);sll_get_data_at_#res := sll_get_data_at_#t~mem8;havoc sll_get_data_at_#t~mem8; {2671#(and (<= |ULTIMATE.start_sll_get_data_at_#res| ULTIMATE.start_main_~expected~0) (<= ULTIMATE.start_main_~expected~0 |ULTIMATE.start_sll_get_data_at_#res|))} is VALID [2020-07-28 18:08:12,533 INFO L280 TraceCheckUtils]: 36: Hoare triple {2671#(and (<= |ULTIMATE.start_sll_get_data_at_#res| ULTIMATE.start_main_~expected~0) (<= ULTIMATE.start_main_~expected~0 |ULTIMATE.start_sll_get_data_at_#res|))} main_#t~ret14 := sll_get_data_at_#res;assume -2147483648 <= main_#t~ret14 && main_#t~ret14 <= 2147483647; {2672#(and (<= ULTIMATE.start_main_~expected~0 |ULTIMATE.start_main_#t~ret14|) (< |ULTIMATE.start_main_#t~ret14| (+ ULTIMATE.start_main_~expected~0 1)))} is VALID [2020-07-28 18:08:12,534 INFO L280 TraceCheckUtils]: 37: Hoare triple {2672#(and (<= ULTIMATE.start_main_~expected~0 |ULTIMATE.start_main_#t~ret14|) (< |ULTIMATE.start_main_#t~ret14| (+ ULTIMATE.start_main_~expected~0 1)))} assume main_~expected~0 != main_#t~ret14;havoc main_#t~ret14; {2662#false} is VALID [2020-07-28 18:08:12,534 INFO L280 TraceCheckUtils]: 38: Hoare triple {2662#false} assume !false; {2662#false} is VALID [2020-07-28 18:08:12,537 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-28 18:08:12,537 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890617890] [2020-07-28 18:08:12,537 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744676341] [2020-07-28 18:08:12,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-28 18:08:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:08:12,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 38 conjunts are in the unsatisfiable core [2020-07-28 18:08:12,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:08:12,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 18:08:12,804 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-07-28 18:08:12,804 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-28 18:08:12,811 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-28 18:08:12,812 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-28 18:08:12,812 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:15 [2020-07-28 18:08:13,131 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 45 [2020-07-28 18:08:13,135 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-28 18:08:13,147 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-28 18:08:13,148 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-28 18:08:13,148 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:65, output treesize:42 [2020-07-28 18:08:13,155 WARN L406 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2020-07-28 18:08:13,155 WARN L407 uantifierElimination]: Input elimination task: ∃ [|#memory_int|, ULTIMATE.start_sll_get_data_at_~head.base, ULTIMATE.start_sll_get_data_at_~head.offset]. (let ((.cse1 (select (select |#memory_int| ULTIMATE.start_sll_get_data_at_~head.base) ULTIMATE.start_sll_get_data_at_~head.offset))) (let ((.cse0 (div (+ .cse1 (* ULTIMATE.start_main_~expected~0 (- 2)) 2) (- 2)))) (and (<= ULTIMATE.start_main_~expected~0 (+ .cse0 2)) (<= 0 .cse0) (= 0 (mod .cse1 (- 2))) (<= (+ (* 2 .cse0) 2) ULTIMATE.start_main_~expected~0) (= .cse1 |ULTIMATE.start_sll_get_data_at_#res|)))) [2020-07-28 18:08:13,155 WARN L408 uantifierElimination]: ElimStorePlain result: ∃ []. (let ((.cse0 (div (+ |ULTIMATE.start_sll_get_data_at_#res| (* ULTIMATE.start_main_~expected~0 (- 2)) 2) (- 2)))) (and (<= ULTIMATE.start_main_~expected~0 (+ .cse0 2)) (= 0 (mod |ULTIMATE.start_sll_get_data_at_#res| (- 2))) (<= 0 .cse0) (<= (+ (* 2 .cse0) 2) ULTIMATE.start_main_~expected~0))) [2020-07-28 18:08:13,735 INFO L280 TraceCheckUtils]: 0: Hoare triple {2661#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {2661#true} is VALID [2020-07-28 18:08:13,736 INFO L280 TraceCheckUtils]: 1: Hoare triple {2661#true} havoc main_#res;havoc main_#t~ret11.base, main_#t~ret11.offset, main_#t~post12, main_~new_data~0, main_#t~ret14, main_#t~post13, main_~expected~0, main_~len~0, main_~data~0, main_~s~0.base, main_~s~0.offset, main_~i~0;main_~len~0 := 2;main_~data~0 := 1;sll_create_#in~len, sll_create_#in~data := main_~len~0, main_~data~0;havoc sll_create_#res.base, sll_create_#res.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset, sll_create_#t~post3, sll_create_~new_head~0.base, sll_create_~new_head~0.offset, sll_create_~len, sll_create_~data, sll_create_~head~0.base, sll_create_~head~0.offset;sll_create_~len := sll_create_#in~len;sll_create_~data := sll_create_#in~data;sll_create_~head~0.base, sll_create_~head~0.offset := 0, 0; {2663#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:13,736 INFO L280 TraceCheckUtils]: 2: Hoare triple {2663#(<= ULTIMATE.start_main_~len~0 2)} assume !!(sll_create_~len > 0);node_create_#in~data := sll_create_~data;havoc node_create_#res.base, node_create_#res.offset;havoc node_create_#t~malloc2.base, node_create_#t~malloc2.offset, node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset;node_create_~data := node_create_#in~data;call node_create_#t~malloc2.base, node_create_#t~malloc2.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0.base, node_create_~temp~0.offset := node_create_#t~malloc2.base, node_create_#t~malloc2.offset; {2663#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:13,740 INFO L280 TraceCheckUtils]: 3: Hoare triple {2663#(<= ULTIMATE.start_main_~len~0 2)} assume !(0 == node_create_~temp~0.base && 0 == node_create_~temp~0.offset); {2663#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:13,740 INFO L280 TraceCheckUtils]: 4: Hoare triple {2663#(<= ULTIMATE.start_main_~len~0 2)} call write~$Pointer$(0, 0, node_create_~temp~0.base, 4 + node_create_~temp~0.offset, 4);call write~int(node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset, 4);node_create_#res.base, node_create_#res.offset := node_create_~temp~0.base, node_create_~temp~0.offset; {2663#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:13,741 INFO L280 TraceCheckUtils]: 5: Hoare triple {2663#(<= ULTIMATE.start_main_~len~0 2)} sll_create_#t~ret4.base, sll_create_#t~ret4.offset := node_create_#res.base, node_create_#res.offset;sll_create_~new_head~0.base, sll_create_~new_head~0.offset := sll_create_#t~ret4.base, sll_create_#t~ret4.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset;call write~$Pointer$(sll_create_~head~0.base, sll_create_~head~0.offset, sll_create_~new_head~0.base, 4 + sll_create_~new_head~0.offset, 4);sll_create_~head~0.base, sll_create_~head~0.offset := sll_create_~new_head~0.base, sll_create_~new_head~0.offset; {2663#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:13,741 INFO L280 TraceCheckUtils]: 6: Hoare triple {2663#(<= ULTIMATE.start_main_~len~0 2)} sll_create_#t~post3 := sll_create_~len;sll_create_~len := sll_create_#t~post3 - 1;havoc sll_create_#t~post3; {2663#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:13,742 INFO L280 TraceCheckUtils]: 7: Hoare triple {2663#(<= ULTIMATE.start_main_~len~0 2)} assume !!(sll_create_~len > 0);node_create_#in~data := sll_create_~data;havoc node_create_#res.base, node_create_#res.offset;havoc node_create_#t~malloc2.base, node_create_#t~malloc2.offset, node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset;node_create_~data := node_create_#in~data;call node_create_#t~malloc2.base, node_create_#t~malloc2.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0.base, node_create_~temp~0.offset := node_create_#t~malloc2.base, node_create_#t~malloc2.offset; {2663#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:13,742 INFO L280 TraceCheckUtils]: 8: Hoare triple {2663#(<= ULTIMATE.start_main_~len~0 2)} assume !(0 == node_create_~temp~0.base && 0 == node_create_~temp~0.offset); {2663#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:13,743 INFO L280 TraceCheckUtils]: 9: Hoare triple {2663#(<= ULTIMATE.start_main_~len~0 2)} call write~$Pointer$(0, 0, node_create_~temp~0.base, 4 + node_create_~temp~0.offset, 4);call write~int(node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset, 4);node_create_#res.base, node_create_#res.offset := node_create_~temp~0.base, node_create_~temp~0.offset; {2663#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:13,743 INFO L280 TraceCheckUtils]: 10: Hoare triple {2663#(<= ULTIMATE.start_main_~len~0 2)} sll_create_#t~ret4.base, sll_create_#t~ret4.offset := node_create_#res.base, node_create_#res.offset;sll_create_~new_head~0.base, sll_create_~new_head~0.offset := sll_create_#t~ret4.base, sll_create_#t~ret4.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset;call write~$Pointer$(sll_create_~head~0.base, sll_create_~head~0.offset, sll_create_~new_head~0.base, 4 + sll_create_~new_head~0.offset, 4);sll_create_~head~0.base, sll_create_~head~0.offset := sll_create_~new_head~0.base, sll_create_~new_head~0.offset; {2663#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:13,744 INFO L280 TraceCheckUtils]: 11: Hoare triple {2663#(<= ULTIMATE.start_main_~len~0 2)} sll_create_#t~post3 := sll_create_~len;sll_create_~len := sll_create_#t~post3 - 1;havoc sll_create_#t~post3; {2663#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:13,744 INFO L280 TraceCheckUtils]: 12: Hoare triple {2663#(<= ULTIMATE.start_main_~len~0 2)} assume !(sll_create_~len > 0); {2663#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:13,744 INFO L280 TraceCheckUtils]: 13: Hoare triple {2663#(<= ULTIMATE.start_main_~len~0 2)} sll_create_#res.base, sll_create_#res.offset := sll_create_~head~0.base, sll_create_~head~0.offset; {2663#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:13,745 INFO L280 TraceCheckUtils]: 14: Hoare triple {2663#(<= ULTIMATE.start_main_~len~0 2)} main_#t~ret11.base, main_#t~ret11.offset := sll_create_#res.base, sll_create_#res.offset;main_~s~0.base, main_~s~0.offset := main_#t~ret11.base, main_#t~ret11.offset;havoc main_#t~ret11.base, main_#t~ret11.offset;havoc main_~i~0;main_~i~0 := main_~len~0 - 1; {2718#(and (= (+ ULTIMATE.start_main_~i~0 1) ULTIMATE.start_main_~len~0) (<= ULTIMATE.start_main_~len~0 2))} is VALID [2020-07-28 18:08:13,746 INFO L280 TraceCheckUtils]: 15: Hoare triple {2718#(and (= (+ ULTIMATE.start_main_~i~0 1) ULTIMATE.start_main_~len~0) (<= ULTIMATE.start_main_~len~0 2))} assume !!(main_~i~0 >= 0);main_~new_data~0 := main_~i~0 + main_~len~0;sll_update_at_#in~head.base, sll_update_at_#in~head.offset, sll_update_at_#in~data, sll_update_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~new_data~0, main_~i~0;havoc sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset, sll_update_at_#t~post10, sll_update_at_~head.base, sll_update_at_~head.offset, sll_update_at_~data, sll_update_at_~index;sll_update_at_~head.base, sll_update_at_~head.offset := sll_update_at_#in~head.base, sll_update_at_#in~head.offset;sll_update_at_~data := sll_update_at_#in~data;sll_update_at_~index := sll_update_at_#in~index; {2718#(and (= (+ ULTIMATE.start_main_~i~0 1) ULTIMATE.start_main_~len~0) (<= ULTIMATE.start_main_~len~0 2))} is VALID [2020-07-28 18:08:13,747 INFO L280 TraceCheckUtils]: 16: Hoare triple {2718#(and (= (+ ULTIMATE.start_main_~i~0 1) ULTIMATE.start_main_~len~0) (<= ULTIMATE.start_main_~len~0 2))} assume !!(sll_update_at_~index > 0);call sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset := read~$Pointer$(sll_update_at_~head.base, 4 + sll_update_at_~head.offset, 4);sll_update_at_~head.base, sll_update_at_~head.offset := sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset;havoc sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset;sll_update_at_#t~post10 := sll_update_at_~index;sll_update_at_~index := sll_update_at_#t~post10 - 1;havoc sll_update_at_#t~post10; {2718#(and (= (+ ULTIMATE.start_main_~i~0 1) ULTIMATE.start_main_~len~0) (<= ULTIMATE.start_main_~len~0 2))} is VALID [2020-07-28 18:08:13,747 INFO L280 TraceCheckUtils]: 17: Hoare triple {2718#(and (= (+ ULTIMATE.start_main_~i~0 1) ULTIMATE.start_main_~len~0) (<= ULTIMATE.start_main_~len~0 2))} assume !(sll_update_at_~index > 0); {2718#(and (= (+ ULTIMATE.start_main_~i~0 1) ULTIMATE.start_main_~len~0) (<= ULTIMATE.start_main_~len~0 2))} is VALID [2020-07-28 18:08:13,748 INFO L280 TraceCheckUtils]: 18: Hoare triple {2718#(and (= (+ ULTIMATE.start_main_~i~0 1) ULTIMATE.start_main_~len~0) (<= ULTIMATE.start_main_~len~0 2))} call write~int(sll_update_at_~data, sll_update_at_~head.base, sll_update_at_~head.offset, 4); {2718#(and (= (+ ULTIMATE.start_main_~i~0 1) ULTIMATE.start_main_~len~0) (<= ULTIMATE.start_main_~len~0 2))} is VALID [2020-07-28 18:08:13,749 INFO L280 TraceCheckUtils]: 19: Hoare triple {2718#(and (= (+ ULTIMATE.start_main_~i~0 1) ULTIMATE.start_main_~len~0) (<= ULTIMATE.start_main_~len~0 2))} main_#t~post12 := main_~i~0;main_~i~0 := main_#t~post12 - 1;havoc main_#t~post12; {2734#(and (= ULTIMATE.start_main_~len~0 (+ ULTIMATE.start_main_~i~0 2)) (<= ULTIMATE.start_main_~len~0 2))} is VALID [2020-07-28 18:08:13,750 INFO L280 TraceCheckUtils]: 20: Hoare triple {2734#(and (= ULTIMATE.start_main_~len~0 (+ ULTIMATE.start_main_~i~0 2)) (<= ULTIMATE.start_main_~len~0 2))} assume !!(main_~i~0 >= 0);main_~new_data~0 := main_~i~0 + main_~len~0;sll_update_at_#in~head.base, sll_update_at_#in~head.offset, sll_update_at_#in~data, sll_update_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~new_data~0, main_~i~0;havoc sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset, sll_update_at_#t~post10, sll_update_at_~head.base, sll_update_at_~head.offset, sll_update_at_~data, sll_update_at_~index;sll_update_at_~head.base, sll_update_at_~head.offset := sll_update_at_#in~head.base, sll_update_at_#in~head.offset;sll_update_at_~data := sll_update_at_#in~data;sll_update_at_~index := sll_update_at_#in~index; {2738#(and (<= ULTIMATE.start_main_~len~0 2) (= ULTIMATE.start_main_~s~0.base ULTIMATE.start_sll_update_at_~head.base) (= (* 2 ULTIMATE.start_main_~len~0) (+ ULTIMATE.start_sll_update_at_~data 2)) (= ULTIMATE.start_main_~s~0.offset ULTIMATE.start_sll_update_at_~head.offset))} is VALID [2020-07-28 18:08:13,751 INFO L280 TraceCheckUtils]: 21: Hoare triple {2738#(and (<= ULTIMATE.start_main_~len~0 2) (= ULTIMATE.start_main_~s~0.base ULTIMATE.start_sll_update_at_~head.base) (= (* 2 ULTIMATE.start_main_~len~0) (+ ULTIMATE.start_sll_update_at_~data 2)) (= ULTIMATE.start_main_~s~0.offset ULTIMATE.start_sll_update_at_~head.offset))} assume !(sll_update_at_~index > 0); {2738#(and (<= ULTIMATE.start_main_~len~0 2) (= ULTIMATE.start_main_~s~0.base ULTIMATE.start_sll_update_at_~head.base) (= (* 2 ULTIMATE.start_main_~len~0) (+ ULTIMATE.start_sll_update_at_~data 2)) (= ULTIMATE.start_main_~s~0.offset ULTIMATE.start_sll_update_at_~head.offset))} is VALID [2020-07-28 18:08:13,752 INFO L280 TraceCheckUtils]: 22: Hoare triple {2738#(and (<= ULTIMATE.start_main_~len~0 2) (= ULTIMATE.start_main_~s~0.base ULTIMATE.start_sll_update_at_~head.base) (= (* 2 ULTIMATE.start_main_~len~0) (+ ULTIMATE.start_sll_update_at_~data 2)) (= ULTIMATE.start_main_~s~0.offset ULTIMATE.start_sll_update_at_~head.offset))} call write~int(sll_update_at_~data, sll_update_at_~head.base, sll_update_at_~head.offset, 4); {2745#(and (<= ULTIMATE.start_main_~len~0 2) (= (* 2 ULTIMATE.start_main_~len~0) (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 2)))} is VALID [2020-07-28 18:08:13,753 INFO L280 TraceCheckUtils]: 23: Hoare triple {2745#(and (<= ULTIMATE.start_main_~len~0 2) (= (* 2 ULTIMATE.start_main_~len~0) (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 2)))} main_#t~post12 := main_~i~0;main_~i~0 := main_#t~post12 - 1;havoc main_#t~post12; {2745#(and (<= ULTIMATE.start_main_~len~0 2) (= (* 2 ULTIMATE.start_main_~len~0) (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 2)))} is VALID [2020-07-28 18:08:13,753 INFO L280 TraceCheckUtils]: 24: Hoare triple {2745#(and (<= ULTIMATE.start_main_~len~0 2) (= (* 2 ULTIMATE.start_main_~len~0) (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 2)))} assume !(main_~i~0 >= 0); {2745#(and (<= ULTIMATE.start_main_~len~0 2) (= (* 2 ULTIMATE.start_main_~len~0) (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 2)))} is VALID [2020-07-28 18:08:13,754 INFO L280 TraceCheckUtils]: 25: Hoare triple {2745#(and (<= ULTIMATE.start_main_~len~0 2) (= (* 2 ULTIMATE.start_main_~len~0) (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 2)))} main_~i~0 := main_~len~0 - 1; {2755#(and (<= ULTIMATE.start_main_~len~0 2) (<= (+ ULTIMATE.start_main_~i~0 1) ULTIMATE.start_main_~len~0) (= (* 2 ULTIMATE.start_main_~len~0) (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 2)))} is VALID [2020-07-28 18:08:13,754 INFO L280 TraceCheckUtils]: 26: Hoare triple {2755#(and (<= ULTIMATE.start_main_~len~0 2) (<= (+ ULTIMATE.start_main_~i~0 1) ULTIMATE.start_main_~len~0) (= (* 2 ULTIMATE.start_main_~len~0) (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 2)))} assume !!(main_~i~0 >= 0);main_~expected~0 := main_~i~0 + main_~len~0;sll_get_data_at_#in~head.base, sll_get_data_at_#in~head.offset, sll_get_data_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~i~0;havoc sll_get_data_at_#res;havoc sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset, sll_get_data_at_#t~post7, sll_get_data_at_#t~mem8, sll_get_data_at_~head.base, sll_get_data_at_~head.offset, sll_get_data_at_~index;sll_get_data_at_~head.base, sll_get_data_at_~head.offset := sll_get_data_at_#in~head.base, sll_get_data_at_#in~head.offset;sll_get_data_at_~index := sll_get_data_at_#in~index; {2755#(and (<= ULTIMATE.start_main_~len~0 2) (<= (+ ULTIMATE.start_main_~i~0 1) ULTIMATE.start_main_~len~0) (= (* 2 ULTIMATE.start_main_~len~0) (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 2)))} is VALID [2020-07-28 18:08:13,755 INFO L280 TraceCheckUtils]: 27: Hoare triple {2755#(and (<= ULTIMATE.start_main_~len~0 2) (<= (+ ULTIMATE.start_main_~i~0 1) ULTIMATE.start_main_~len~0) (= (* 2 ULTIMATE.start_main_~len~0) (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 2)))} assume !!(sll_get_data_at_~index > 0);call sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset := read~$Pointer$(sll_get_data_at_~head.base, 4 + sll_get_data_at_~head.offset, 4);sll_get_data_at_~head.base, sll_get_data_at_~head.offset := sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset;havoc sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset;sll_get_data_at_#t~post7 := sll_get_data_at_~index;sll_get_data_at_~index := sll_get_data_at_#t~post7 - 1;havoc sll_get_data_at_#t~post7; {2755#(and (<= ULTIMATE.start_main_~len~0 2) (<= (+ ULTIMATE.start_main_~i~0 1) ULTIMATE.start_main_~len~0) (= (* 2 ULTIMATE.start_main_~len~0) (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 2)))} is VALID [2020-07-28 18:08:13,756 INFO L280 TraceCheckUtils]: 28: Hoare triple {2755#(and (<= ULTIMATE.start_main_~len~0 2) (<= (+ ULTIMATE.start_main_~i~0 1) ULTIMATE.start_main_~len~0) (= (* 2 ULTIMATE.start_main_~len~0) (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 2)))} assume !(sll_get_data_at_~index > 0); {2755#(and (<= ULTIMATE.start_main_~len~0 2) (<= (+ ULTIMATE.start_main_~i~0 1) ULTIMATE.start_main_~len~0) (= (* 2 ULTIMATE.start_main_~len~0) (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 2)))} is VALID [2020-07-28 18:08:13,756 INFO L280 TraceCheckUtils]: 29: Hoare triple {2755#(and (<= ULTIMATE.start_main_~len~0 2) (<= (+ ULTIMATE.start_main_~i~0 1) ULTIMATE.start_main_~len~0) (= (* 2 ULTIMATE.start_main_~len~0) (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 2)))} call sll_get_data_at_#t~mem8 := read~int(sll_get_data_at_~head.base, sll_get_data_at_~head.offset, 4);sll_get_data_at_#res := sll_get_data_at_#t~mem8;havoc sll_get_data_at_#t~mem8; {2755#(and (<= ULTIMATE.start_main_~len~0 2) (<= (+ ULTIMATE.start_main_~i~0 1) ULTIMATE.start_main_~len~0) (= (* 2 ULTIMATE.start_main_~len~0) (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 2)))} is VALID [2020-07-28 18:08:13,757 INFO L280 TraceCheckUtils]: 30: Hoare triple {2755#(and (<= ULTIMATE.start_main_~len~0 2) (<= (+ ULTIMATE.start_main_~i~0 1) ULTIMATE.start_main_~len~0) (= (* 2 ULTIMATE.start_main_~len~0) (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 2)))} main_#t~ret14 := sll_get_data_at_#res;assume -2147483648 <= main_#t~ret14 && main_#t~ret14 <= 2147483647; {2755#(and (<= ULTIMATE.start_main_~len~0 2) (<= (+ ULTIMATE.start_main_~i~0 1) ULTIMATE.start_main_~len~0) (= (* 2 ULTIMATE.start_main_~len~0) (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 2)))} is VALID [2020-07-28 18:08:13,758 INFO L280 TraceCheckUtils]: 31: Hoare triple {2755#(and (<= ULTIMATE.start_main_~len~0 2) (<= (+ ULTIMATE.start_main_~i~0 1) ULTIMATE.start_main_~len~0) (= (* 2 ULTIMATE.start_main_~len~0) (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 2)))} assume !(main_~expected~0 != main_#t~ret14);havoc main_#t~ret14; {2755#(and (<= ULTIMATE.start_main_~len~0 2) (<= (+ ULTIMATE.start_main_~i~0 1) ULTIMATE.start_main_~len~0) (= (* 2 ULTIMATE.start_main_~len~0) (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 2)))} is VALID [2020-07-28 18:08:13,759 INFO L280 TraceCheckUtils]: 32: Hoare triple {2755#(and (<= ULTIMATE.start_main_~len~0 2) (<= (+ ULTIMATE.start_main_~i~0 1) ULTIMATE.start_main_~len~0) (= (* 2 ULTIMATE.start_main_~len~0) (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 2)))} main_#t~post13 := main_~i~0;main_~i~0 := main_#t~post13 - 1;havoc main_#t~post13; {2777#(and (<= (+ ULTIMATE.start_main_~i~0 2) ULTIMATE.start_main_~len~0) (<= ULTIMATE.start_main_~len~0 2) (= (* 2 ULTIMATE.start_main_~len~0) (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 2)))} is VALID [2020-07-28 18:08:13,761 INFO L280 TraceCheckUtils]: 33: Hoare triple {2777#(and (<= (+ ULTIMATE.start_main_~i~0 2) ULTIMATE.start_main_~len~0) (<= ULTIMATE.start_main_~len~0 2) (= (* 2 ULTIMATE.start_main_~len~0) (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 2)))} assume !!(main_~i~0 >= 0);main_~expected~0 := main_~i~0 + main_~len~0;sll_get_data_at_#in~head.base, sll_get_data_at_#in~head.offset, sll_get_data_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~i~0;havoc sll_get_data_at_#res;havoc sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset, sll_get_data_at_#t~post7, sll_get_data_at_#t~mem8, sll_get_data_at_~head.base, sll_get_data_at_~head.offset, sll_get_data_at_~index;sll_get_data_at_~head.base, sll_get_data_at_~head.offset := sll_get_data_at_#in~head.base, sll_get_data_at_#in~head.offset;sll_get_data_at_~index := sll_get_data_at_#in~index; {2781#(and (<= ULTIMATE.start_main_~expected~0 (+ (div (+ (select (select |#memory_int| ULTIMATE.start_sll_get_data_at_~head.base) ULTIMATE.start_sll_get_data_at_~head.offset) (* ULTIMATE.start_main_~expected~0 (- 2)) 2) (- 2)) 2)) (<= 0 (div (+ (select (select |#memory_int| ULTIMATE.start_sll_get_data_at_~head.base) ULTIMATE.start_sll_get_data_at_~head.offset) (* ULTIMATE.start_main_~expected~0 (- 2)) 2) (- 2))) (= 0 (mod (select (select |#memory_int| ULTIMATE.start_sll_get_data_at_~head.base) ULTIMATE.start_sll_get_data_at_~head.offset) (- 2))) (<= (+ (* 2 (div (+ (select (select |#memory_int| ULTIMATE.start_sll_get_data_at_~head.base) ULTIMATE.start_sll_get_data_at_~head.offset) (* ULTIMATE.start_main_~expected~0 (- 2)) 2) (- 2))) 2) ULTIMATE.start_main_~expected~0))} is VALID [2020-07-28 18:08:13,762 INFO L280 TraceCheckUtils]: 34: Hoare triple {2781#(and (<= ULTIMATE.start_main_~expected~0 (+ (div (+ (select (select |#memory_int| ULTIMATE.start_sll_get_data_at_~head.base) ULTIMATE.start_sll_get_data_at_~head.offset) (* ULTIMATE.start_main_~expected~0 (- 2)) 2) (- 2)) 2)) (<= 0 (div (+ (select (select |#memory_int| ULTIMATE.start_sll_get_data_at_~head.base) ULTIMATE.start_sll_get_data_at_~head.offset) (* ULTIMATE.start_main_~expected~0 (- 2)) 2) (- 2))) (= 0 (mod (select (select |#memory_int| ULTIMATE.start_sll_get_data_at_~head.base) ULTIMATE.start_sll_get_data_at_~head.offset) (- 2))) (<= (+ (* 2 (div (+ (select (select |#memory_int| ULTIMATE.start_sll_get_data_at_~head.base) ULTIMATE.start_sll_get_data_at_~head.offset) (* ULTIMATE.start_main_~expected~0 (- 2)) 2) (- 2))) 2) ULTIMATE.start_main_~expected~0))} assume !(sll_get_data_at_~index > 0); {2781#(and (<= ULTIMATE.start_main_~expected~0 (+ (div (+ (select (select |#memory_int| ULTIMATE.start_sll_get_data_at_~head.base) ULTIMATE.start_sll_get_data_at_~head.offset) (* ULTIMATE.start_main_~expected~0 (- 2)) 2) (- 2)) 2)) (<= 0 (div (+ (select (select |#memory_int| ULTIMATE.start_sll_get_data_at_~head.base) ULTIMATE.start_sll_get_data_at_~head.offset) (* ULTIMATE.start_main_~expected~0 (- 2)) 2) (- 2))) (= 0 (mod (select (select |#memory_int| ULTIMATE.start_sll_get_data_at_~head.base) ULTIMATE.start_sll_get_data_at_~head.offset) (- 2))) (<= (+ (* 2 (div (+ (select (select |#memory_int| ULTIMATE.start_sll_get_data_at_~head.base) ULTIMATE.start_sll_get_data_at_~head.offset) (* ULTIMATE.start_main_~expected~0 (- 2)) 2) (- 2))) 2) ULTIMATE.start_main_~expected~0))} is VALID [2020-07-28 18:08:13,763 INFO L280 TraceCheckUtils]: 35: Hoare triple {2781#(and (<= ULTIMATE.start_main_~expected~0 (+ (div (+ (select (select |#memory_int| ULTIMATE.start_sll_get_data_at_~head.base) ULTIMATE.start_sll_get_data_at_~head.offset) (* ULTIMATE.start_main_~expected~0 (- 2)) 2) (- 2)) 2)) (<= 0 (div (+ (select (select |#memory_int| ULTIMATE.start_sll_get_data_at_~head.base) ULTIMATE.start_sll_get_data_at_~head.offset) (* ULTIMATE.start_main_~expected~0 (- 2)) 2) (- 2))) (= 0 (mod (select (select |#memory_int| ULTIMATE.start_sll_get_data_at_~head.base) ULTIMATE.start_sll_get_data_at_~head.offset) (- 2))) (<= (+ (* 2 (div (+ (select (select |#memory_int| ULTIMATE.start_sll_get_data_at_~head.base) ULTIMATE.start_sll_get_data_at_~head.offset) (* ULTIMATE.start_main_~expected~0 (- 2)) 2) (- 2))) 2) ULTIMATE.start_main_~expected~0))} call sll_get_data_at_#t~mem8 := read~int(sll_get_data_at_~head.base, sll_get_data_at_~head.offset, 4);sll_get_data_at_#res := sll_get_data_at_#t~mem8;havoc sll_get_data_at_#t~mem8; {2788#(and (<= ULTIMATE.start_main_~expected~0 (+ (div (+ |ULTIMATE.start_sll_get_data_at_#res| (* ULTIMATE.start_main_~expected~0 (- 2)) 2) (- 2)) 2)) (= 0 (mod |ULTIMATE.start_sll_get_data_at_#res| (- 2))) (<= 0 (div (+ |ULTIMATE.start_sll_get_data_at_#res| (* ULTIMATE.start_main_~expected~0 (- 2)) 2) (- 2))) (<= (+ (* 2 (div (+ |ULTIMATE.start_sll_get_data_at_#res| (* ULTIMATE.start_main_~expected~0 (- 2)) 2) (- 2))) 2) ULTIMATE.start_main_~expected~0))} is VALID [2020-07-28 18:08:13,763 INFO L280 TraceCheckUtils]: 36: Hoare triple {2788#(and (<= ULTIMATE.start_main_~expected~0 (+ (div (+ |ULTIMATE.start_sll_get_data_at_#res| (* ULTIMATE.start_main_~expected~0 (- 2)) 2) (- 2)) 2)) (= 0 (mod |ULTIMATE.start_sll_get_data_at_#res| (- 2))) (<= 0 (div (+ |ULTIMATE.start_sll_get_data_at_#res| (* ULTIMATE.start_main_~expected~0 (- 2)) 2) (- 2))) (<= (+ (* 2 (div (+ |ULTIMATE.start_sll_get_data_at_#res| (* ULTIMATE.start_main_~expected~0 (- 2)) 2) (- 2))) 2) ULTIMATE.start_main_~expected~0))} main_#t~ret14 := sll_get_data_at_#res;assume -2147483648 <= main_#t~ret14 && main_#t~ret14 <= 2147483647; {2792#(and (= 0 (mod |ULTIMATE.start_main_#t~ret14| (- 2))) (<= ULTIMATE.start_main_~expected~0 (+ (div (+ |ULTIMATE.start_main_#t~ret14| (* ULTIMATE.start_main_~expected~0 (- 2)) 2) (- 2)) 2)) (<= (+ (* 2 (div (+ |ULTIMATE.start_main_#t~ret14| (* ULTIMATE.start_main_~expected~0 (- 2)) 2) (- 2))) 2) ULTIMATE.start_main_~expected~0) (<= 0 (div (+ |ULTIMATE.start_main_#t~ret14| (* ULTIMATE.start_main_~expected~0 (- 2)) 2) (- 2))))} is VALID [2020-07-28 18:08:13,765 INFO L280 TraceCheckUtils]: 37: Hoare triple {2792#(and (= 0 (mod |ULTIMATE.start_main_#t~ret14| (- 2))) (<= ULTIMATE.start_main_~expected~0 (+ (div (+ |ULTIMATE.start_main_#t~ret14| (* ULTIMATE.start_main_~expected~0 (- 2)) 2) (- 2)) 2)) (<= (+ (* 2 (div (+ |ULTIMATE.start_main_#t~ret14| (* ULTIMATE.start_main_~expected~0 (- 2)) 2) (- 2))) 2) ULTIMATE.start_main_~expected~0) (<= 0 (div (+ |ULTIMATE.start_main_#t~ret14| (* ULTIMATE.start_main_~expected~0 (- 2)) 2) (- 2))))} assume main_~expected~0 != main_#t~ret14;havoc main_#t~ret14; {2662#false} is VALID [2020-07-28 18:08:13,765 INFO L280 TraceCheckUtils]: 38: Hoare triple {2662#false} assume !false; {2662#false} is VALID [2020-07-28 18:08:13,769 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-28 18:08:13,769 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-28 18:08:13,769 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2020-07-28 18:08:13,769 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559528787] [2020-07-28 18:08:13,770 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 39 [2020-07-28 18:08:13,770 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:08:13,770 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 21 states. [2020-07-28 18:08:13,868 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 58 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:08:13,868 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-07-28 18:08:13,868 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:08:13,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-07-28 18:08:13,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=356, Unknown=0, NotChecked=0, Total=420 [2020-07-28 18:08:13,869 INFO L87 Difference]: Start difference. First operand 41 states and 44 transitions. Second operand 21 states. [2020-07-28 18:08:15,585 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 57 [2020-07-28 18:08:16,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:08:16,112 INFO L93 Difference]: Finished difference Result 52 states and 55 transitions. [2020-07-28 18:08:16,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-28 18:08:16,112 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 39 [2020-07-28 18:08:16,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:08:16,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-07-28 18:08:16,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 49 transitions. [2020-07-28 18:08:16,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-07-28 18:08:16,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 49 transitions. [2020-07-28 18:08:16,114 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states and 49 transitions. [2020-07-28 18:08:16,213 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:08:16,214 INFO L225 Difference]: With dead ends: 52 [2020-07-28 18:08:16,214 INFO L226 Difference]: Without dead ends: 50 [2020-07-28 18:08:16,215 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=190, Invalid=622, Unknown=0, NotChecked=0, Total=812 [2020-07-28 18:08:16,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-07-28 18:08:16,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 41. [2020-07-28 18:08:16,380 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:08:16,380 INFO L82 GeneralOperation]: Start isEquivalent. First operand 50 states. Second operand 41 states. [2020-07-28 18:08:16,380 INFO L74 IsIncluded]: Start isIncluded. First operand 50 states. Second operand 41 states. [2020-07-28 18:08:16,380 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 41 states. [2020-07-28 18:08:16,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:08:16,382 INFO L93 Difference]: Finished difference Result 50 states and 53 transitions. [2020-07-28 18:08:16,382 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 53 transitions. [2020-07-28 18:08:16,383 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:08:16,383 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:08:16,383 INFO L74 IsIncluded]: Start isIncluded. First operand 41 states. Second operand 50 states. [2020-07-28 18:08:16,383 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 50 states. [2020-07-28 18:08:16,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:08:16,385 INFO L93 Difference]: Finished difference Result 50 states and 53 transitions. [2020-07-28 18:08:16,385 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 53 transitions. [2020-07-28 18:08:16,385 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:08:16,385 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:08:16,386 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:08:16,386 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:08:16,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-07-28 18:08:16,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 44 transitions. [2020-07-28 18:08:16,387 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 44 transitions. Word has length 39 [2020-07-28 18:08:16,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:08:16,388 INFO L479 AbstractCegarLoop]: Abstraction has 41 states and 44 transitions. [2020-07-28 18:08:16,388 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-07-28 18:08:16,388 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions. [2020-07-28 18:08:16,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-07-28 18:08:16,389 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:08:16,389 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:08:16,598 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-28 18:08:16,599 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:08:16,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:08:16,600 INFO L82 PathProgramCache]: Analyzing trace with hash 506740339, now seen corresponding path program 2 times [2020-07-28 18:08:16,600 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:08:16,601 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446044897] [2020-07-28 18:08:16,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:08:16,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:08:16,688 INFO L280 TraceCheckUtils]: 0: Hoare triple {3054#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {3054#true} is VALID [2020-07-28 18:08:16,689 INFO L280 TraceCheckUtils]: 1: Hoare triple {3054#true} havoc main_#res;havoc main_#t~ret11.base, main_#t~ret11.offset, main_#t~post12, main_~new_data~0, main_#t~ret14, main_#t~post13, main_~expected~0, main_~len~0, main_~data~0, main_~s~0.base, main_~s~0.offset, main_~i~0;main_~len~0 := 2;main_~data~0 := 1;sll_create_#in~len, sll_create_#in~data := main_~len~0, main_~data~0;havoc sll_create_#res.base, sll_create_#res.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset, sll_create_#t~post3, sll_create_~new_head~0.base, sll_create_~new_head~0.offset, sll_create_~len, sll_create_~data, sll_create_~head~0.base, sll_create_~head~0.offset;sll_create_~len := sll_create_#in~len;sll_create_~data := sll_create_#in~data;sll_create_~head~0.base, sll_create_~head~0.offset := 0, 0; {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:16,690 INFO L280 TraceCheckUtils]: 2: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} assume !!(sll_create_~len > 0);node_create_#in~data := sll_create_~data;havoc node_create_#res.base, node_create_#res.offset;havoc node_create_#t~malloc2.base, node_create_#t~malloc2.offset, node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset;node_create_~data := node_create_#in~data;call node_create_#t~malloc2.base, node_create_#t~malloc2.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0.base, node_create_~temp~0.offset := node_create_#t~malloc2.base, node_create_#t~malloc2.offset; {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:16,691 INFO L280 TraceCheckUtils]: 3: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} assume !(0 == node_create_~temp~0.base && 0 == node_create_~temp~0.offset); {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:16,692 INFO L280 TraceCheckUtils]: 4: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} call write~$Pointer$(0, 0, node_create_~temp~0.base, 4 + node_create_~temp~0.offset, 4);call write~int(node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset, 4);node_create_#res.base, node_create_#res.offset := node_create_~temp~0.base, node_create_~temp~0.offset; {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:16,692 INFO L280 TraceCheckUtils]: 5: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} sll_create_#t~ret4.base, sll_create_#t~ret4.offset := node_create_#res.base, node_create_#res.offset;sll_create_~new_head~0.base, sll_create_~new_head~0.offset := sll_create_#t~ret4.base, sll_create_#t~ret4.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset;call write~$Pointer$(sll_create_~head~0.base, sll_create_~head~0.offset, sll_create_~new_head~0.base, 4 + sll_create_~new_head~0.offset, 4);sll_create_~head~0.base, sll_create_~head~0.offset := sll_create_~new_head~0.base, sll_create_~new_head~0.offset; {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:16,693 INFO L280 TraceCheckUtils]: 6: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} sll_create_#t~post3 := sll_create_~len;sll_create_~len := sll_create_#t~post3 - 1;havoc sll_create_#t~post3; {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:16,694 INFO L280 TraceCheckUtils]: 7: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} assume !!(sll_create_~len > 0);node_create_#in~data := sll_create_~data;havoc node_create_#res.base, node_create_#res.offset;havoc node_create_#t~malloc2.base, node_create_#t~malloc2.offset, node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset;node_create_~data := node_create_#in~data;call node_create_#t~malloc2.base, node_create_#t~malloc2.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0.base, node_create_~temp~0.offset := node_create_#t~malloc2.base, node_create_#t~malloc2.offset; {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:16,694 INFO L280 TraceCheckUtils]: 8: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} assume !(0 == node_create_~temp~0.base && 0 == node_create_~temp~0.offset); {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:16,695 INFO L280 TraceCheckUtils]: 9: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} call write~$Pointer$(0, 0, node_create_~temp~0.base, 4 + node_create_~temp~0.offset, 4);call write~int(node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset, 4);node_create_#res.base, node_create_#res.offset := node_create_~temp~0.base, node_create_~temp~0.offset; {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:16,696 INFO L280 TraceCheckUtils]: 10: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} sll_create_#t~ret4.base, sll_create_#t~ret4.offset := node_create_#res.base, node_create_#res.offset;sll_create_~new_head~0.base, sll_create_~new_head~0.offset := sll_create_#t~ret4.base, sll_create_#t~ret4.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset;call write~$Pointer$(sll_create_~head~0.base, sll_create_~head~0.offset, sll_create_~new_head~0.base, 4 + sll_create_~new_head~0.offset, 4);sll_create_~head~0.base, sll_create_~head~0.offset := sll_create_~new_head~0.base, sll_create_~new_head~0.offset; {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:16,697 INFO L280 TraceCheckUtils]: 11: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} sll_create_#t~post3 := sll_create_~len;sll_create_~len := sll_create_#t~post3 - 1;havoc sll_create_#t~post3; {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:16,697 INFO L280 TraceCheckUtils]: 12: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} assume !(sll_create_~len > 0); {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:16,698 INFO L280 TraceCheckUtils]: 13: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} sll_create_#res.base, sll_create_#res.offset := sll_create_~head~0.base, sll_create_~head~0.offset; {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:16,699 INFO L280 TraceCheckUtils]: 14: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} main_#t~ret11.base, main_#t~ret11.offset := sll_create_#res.base, sll_create_#res.offset;main_~s~0.base, main_~s~0.offset := main_#t~ret11.base, main_#t~ret11.offset;havoc main_#t~ret11.base, main_#t~ret11.offset;havoc main_~i~0;main_~i~0 := main_~len~0 - 1; {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:16,699 INFO L280 TraceCheckUtils]: 15: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} assume !!(main_~i~0 >= 0);main_~new_data~0 := main_~i~0 + main_~len~0;sll_update_at_#in~head.base, sll_update_at_#in~head.offset, sll_update_at_#in~data, sll_update_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~new_data~0, main_~i~0;havoc sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset, sll_update_at_#t~post10, sll_update_at_~head.base, sll_update_at_~head.offset, sll_update_at_~data, sll_update_at_~index;sll_update_at_~head.base, sll_update_at_~head.offset := sll_update_at_#in~head.base, sll_update_at_#in~head.offset;sll_update_at_~data := sll_update_at_#in~data;sll_update_at_~index := sll_update_at_#in~index; {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:16,700 INFO L280 TraceCheckUtils]: 16: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} assume !!(sll_update_at_~index > 0);call sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset := read~$Pointer$(sll_update_at_~head.base, 4 + sll_update_at_~head.offset, 4);sll_update_at_~head.base, sll_update_at_~head.offset := sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset;havoc sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset;sll_update_at_#t~post10 := sll_update_at_~index;sll_update_at_~index := sll_update_at_#t~post10 - 1;havoc sll_update_at_#t~post10; {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:16,700 INFO L280 TraceCheckUtils]: 17: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} assume !(sll_update_at_~index > 0); {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:16,701 INFO L280 TraceCheckUtils]: 18: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} call write~int(sll_update_at_~data, sll_update_at_~head.base, sll_update_at_~head.offset, 4); {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:16,702 INFO L280 TraceCheckUtils]: 19: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} main_#t~post12 := main_~i~0;main_~i~0 := main_#t~post12 - 1;havoc main_#t~post12; {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:16,703 INFO L280 TraceCheckUtils]: 20: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} assume !!(main_~i~0 >= 0);main_~new_data~0 := main_~i~0 + main_~len~0;sll_update_at_#in~head.base, sll_update_at_#in~head.offset, sll_update_at_#in~data, sll_update_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~new_data~0, main_~i~0;havoc sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset, sll_update_at_#t~post10, sll_update_at_~head.base, sll_update_at_~head.offset, sll_update_at_~data, sll_update_at_~index;sll_update_at_~head.base, sll_update_at_~head.offset := sll_update_at_#in~head.base, sll_update_at_#in~head.offset;sll_update_at_~data := sll_update_at_#in~data;sll_update_at_~index := sll_update_at_#in~index; {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:16,703 INFO L280 TraceCheckUtils]: 21: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} assume !(sll_update_at_~index > 0); {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:16,704 INFO L280 TraceCheckUtils]: 22: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} call write~int(sll_update_at_~data, sll_update_at_~head.base, sll_update_at_~head.offset, 4); {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:16,705 INFO L280 TraceCheckUtils]: 23: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} main_#t~post12 := main_~i~0;main_~i~0 := main_#t~post12 - 1;havoc main_#t~post12; {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:16,705 INFO L280 TraceCheckUtils]: 24: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} assume !(main_~i~0 >= 0); {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:16,706 INFO L280 TraceCheckUtils]: 25: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} main_~i~0 := main_~len~0 - 1; {3057#(<= ULTIMATE.start_main_~i~0 1)} is VALID [2020-07-28 18:08:16,707 INFO L280 TraceCheckUtils]: 26: Hoare triple {3057#(<= ULTIMATE.start_main_~i~0 1)} assume !!(main_~i~0 >= 0);main_~expected~0 := main_~i~0 + main_~len~0;sll_get_data_at_#in~head.base, sll_get_data_at_#in~head.offset, sll_get_data_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~i~0;havoc sll_get_data_at_#res;havoc sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset, sll_get_data_at_#t~post7, sll_get_data_at_#t~mem8, sll_get_data_at_~head.base, sll_get_data_at_~head.offset, sll_get_data_at_~index;sll_get_data_at_~head.base, sll_get_data_at_~head.offset := sll_get_data_at_#in~head.base, sll_get_data_at_#in~head.offset;sll_get_data_at_~index := sll_get_data_at_#in~index; {3057#(<= ULTIMATE.start_main_~i~0 1)} is VALID [2020-07-28 18:08:16,708 INFO L280 TraceCheckUtils]: 27: Hoare triple {3057#(<= ULTIMATE.start_main_~i~0 1)} assume !!(sll_get_data_at_~index > 0);call sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset := read~$Pointer$(sll_get_data_at_~head.base, 4 + sll_get_data_at_~head.offset, 4);sll_get_data_at_~head.base, sll_get_data_at_~head.offset := sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset;havoc sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset;sll_get_data_at_#t~post7 := sll_get_data_at_~index;sll_get_data_at_~index := sll_get_data_at_#t~post7 - 1;havoc sll_get_data_at_#t~post7; {3057#(<= ULTIMATE.start_main_~i~0 1)} is VALID [2020-07-28 18:08:16,709 INFO L280 TraceCheckUtils]: 28: Hoare triple {3057#(<= ULTIMATE.start_main_~i~0 1)} assume !(sll_get_data_at_~index > 0); {3057#(<= ULTIMATE.start_main_~i~0 1)} is VALID [2020-07-28 18:08:16,710 INFO L280 TraceCheckUtils]: 29: Hoare triple {3057#(<= ULTIMATE.start_main_~i~0 1)} call sll_get_data_at_#t~mem8 := read~int(sll_get_data_at_~head.base, sll_get_data_at_~head.offset, 4);sll_get_data_at_#res := sll_get_data_at_#t~mem8;havoc sll_get_data_at_#t~mem8; {3057#(<= ULTIMATE.start_main_~i~0 1)} is VALID [2020-07-28 18:08:16,710 INFO L280 TraceCheckUtils]: 30: Hoare triple {3057#(<= ULTIMATE.start_main_~i~0 1)} main_#t~ret14 := sll_get_data_at_#res;assume -2147483648 <= main_#t~ret14 && main_#t~ret14 <= 2147483647; {3057#(<= ULTIMATE.start_main_~i~0 1)} is VALID [2020-07-28 18:08:16,711 INFO L280 TraceCheckUtils]: 31: Hoare triple {3057#(<= ULTIMATE.start_main_~i~0 1)} assume !(main_~expected~0 != main_#t~ret14);havoc main_#t~ret14; {3057#(<= ULTIMATE.start_main_~i~0 1)} is VALID [2020-07-28 18:08:16,713 INFO L280 TraceCheckUtils]: 32: Hoare triple {3057#(<= ULTIMATE.start_main_~i~0 1)} main_#t~post13 := main_~i~0;main_~i~0 := main_#t~post13 - 1;havoc main_#t~post13; {3058#(<= ULTIMATE.start_main_~i~0 0)} is VALID [2020-07-28 18:08:16,714 INFO L280 TraceCheckUtils]: 33: Hoare triple {3058#(<= ULTIMATE.start_main_~i~0 0)} assume !!(main_~i~0 >= 0);main_~expected~0 := main_~i~0 + main_~len~0;sll_get_data_at_#in~head.base, sll_get_data_at_#in~head.offset, sll_get_data_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~i~0;havoc sll_get_data_at_#res;havoc sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset, sll_get_data_at_#t~post7, sll_get_data_at_#t~mem8, sll_get_data_at_~head.base, sll_get_data_at_~head.offset, sll_get_data_at_~index;sll_get_data_at_~head.base, sll_get_data_at_~head.offset := sll_get_data_at_#in~head.base, sll_get_data_at_#in~head.offset;sll_get_data_at_~index := sll_get_data_at_#in~index; {3059#(<= ULTIMATE.start_sll_get_data_at_~index 0)} is VALID [2020-07-28 18:08:16,715 INFO L280 TraceCheckUtils]: 34: Hoare triple {3059#(<= ULTIMATE.start_sll_get_data_at_~index 0)} assume !!(sll_get_data_at_~index > 0);call sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset := read~$Pointer$(sll_get_data_at_~head.base, 4 + sll_get_data_at_~head.offset, 4);sll_get_data_at_~head.base, sll_get_data_at_~head.offset := sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset;havoc sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset;sll_get_data_at_#t~post7 := sll_get_data_at_~index;sll_get_data_at_~index := sll_get_data_at_#t~post7 - 1;havoc sll_get_data_at_#t~post7; {3055#false} is VALID [2020-07-28 18:08:16,716 INFO L280 TraceCheckUtils]: 35: Hoare triple {3055#false} assume !(sll_get_data_at_~index > 0); {3055#false} is VALID [2020-07-28 18:08:16,716 INFO L280 TraceCheckUtils]: 36: Hoare triple {3055#false} call sll_get_data_at_#t~mem8 := read~int(sll_get_data_at_~head.base, sll_get_data_at_~head.offset, 4);sll_get_data_at_#res := sll_get_data_at_#t~mem8;havoc sll_get_data_at_#t~mem8; {3055#false} is VALID [2020-07-28 18:08:16,716 INFO L280 TraceCheckUtils]: 37: Hoare triple {3055#false} main_#t~ret14 := sll_get_data_at_#res;assume -2147483648 <= main_#t~ret14 && main_#t~ret14 <= 2147483647; {3055#false} is VALID [2020-07-28 18:08:16,716 INFO L280 TraceCheckUtils]: 38: Hoare triple {3055#false} assume main_~expected~0 != main_#t~ret14;havoc main_#t~ret14; {3055#false} is VALID [2020-07-28 18:08:16,717 INFO L280 TraceCheckUtils]: 39: Hoare triple {3055#false} assume !false; {3055#false} is VALID [2020-07-28 18:08:16,720 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-07-28 18:08:16,720 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446044897] [2020-07-28 18:08:16,720 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [779320054] [2020-07-28 18:08:16,721 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-28 18:08:16,805 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-07-28 18:08:16,806 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-28 18:08:16,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-28 18:08:16,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:08:16,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 18:08:17,035 INFO L280 TraceCheckUtils]: 0: Hoare triple {3054#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {3054#true} is VALID [2020-07-28 18:08:17,036 INFO L280 TraceCheckUtils]: 1: Hoare triple {3054#true} havoc main_#res;havoc main_#t~ret11.base, main_#t~ret11.offset, main_#t~post12, main_~new_data~0, main_#t~ret14, main_#t~post13, main_~expected~0, main_~len~0, main_~data~0, main_~s~0.base, main_~s~0.offset, main_~i~0;main_~len~0 := 2;main_~data~0 := 1;sll_create_#in~len, sll_create_#in~data := main_~len~0, main_~data~0;havoc sll_create_#res.base, sll_create_#res.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset, sll_create_#t~post3, sll_create_~new_head~0.base, sll_create_~new_head~0.offset, sll_create_~len, sll_create_~data, sll_create_~head~0.base, sll_create_~head~0.offset;sll_create_~len := sll_create_#in~len;sll_create_~data := sll_create_#in~data;sll_create_~head~0.base, sll_create_~head~0.offset := 0, 0; {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:17,036 INFO L280 TraceCheckUtils]: 2: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} assume !!(sll_create_~len > 0);node_create_#in~data := sll_create_~data;havoc node_create_#res.base, node_create_#res.offset;havoc node_create_#t~malloc2.base, node_create_#t~malloc2.offset, node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset;node_create_~data := node_create_#in~data;call node_create_#t~malloc2.base, node_create_#t~malloc2.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0.base, node_create_~temp~0.offset := node_create_#t~malloc2.base, node_create_#t~malloc2.offset; {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:17,037 INFO L280 TraceCheckUtils]: 3: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} assume !(0 == node_create_~temp~0.base && 0 == node_create_~temp~0.offset); {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:17,037 INFO L280 TraceCheckUtils]: 4: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} call write~$Pointer$(0, 0, node_create_~temp~0.base, 4 + node_create_~temp~0.offset, 4);call write~int(node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset, 4);node_create_#res.base, node_create_#res.offset := node_create_~temp~0.base, node_create_~temp~0.offset; {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:17,038 INFO L280 TraceCheckUtils]: 5: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} sll_create_#t~ret4.base, sll_create_#t~ret4.offset := node_create_#res.base, node_create_#res.offset;sll_create_~new_head~0.base, sll_create_~new_head~0.offset := sll_create_#t~ret4.base, sll_create_#t~ret4.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset;call write~$Pointer$(sll_create_~head~0.base, sll_create_~head~0.offset, sll_create_~new_head~0.base, 4 + sll_create_~new_head~0.offset, 4);sll_create_~head~0.base, sll_create_~head~0.offset := sll_create_~new_head~0.base, sll_create_~new_head~0.offset; {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:17,039 INFO L280 TraceCheckUtils]: 6: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} sll_create_#t~post3 := sll_create_~len;sll_create_~len := sll_create_#t~post3 - 1;havoc sll_create_#t~post3; {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:17,039 INFO L280 TraceCheckUtils]: 7: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} assume !!(sll_create_~len > 0);node_create_#in~data := sll_create_~data;havoc node_create_#res.base, node_create_#res.offset;havoc node_create_#t~malloc2.base, node_create_#t~malloc2.offset, node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset;node_create_~data := node_create_#in~data;call node_create_#t~malloc2.base, node_create_#t~malloc2.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0.base, node_create_~temp~0.offset := node_create_#t~malloc2.base, node_create_#t~malloc2.offset; {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:17,040 INFO L280 TraceCheckUtils]: 8: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} assume !(0 == node_create_~temp~0.base && 0 == node_create_~temp~0.offset); {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:17,040 INFO L280 TraceCheckUtils]: 9: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} call write~$Pointer$(0, 0, node_create_~temp~0.base, 4 + node_create_~temp~0.offset, 4);call write~int(node_create_~data, node_create_~temp~0.base, node_create_~temp~0.offset, 4);node_create_#res.base, node_create_#res.offset := node_create_~temp~0.base, node_create_~temp~0.offset; {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:17,041 INFO L280 TraceCheckUtils]: 10: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} sll_create_#t~ret4.base, sll_create_#t~ret4.offset := node_create_#res.base, node_create_#res.offset;sll_create_~new_head~0.base, sll_create_~new_head~0.offset := sll_create_#t~ret4.base, sll_create_#t~ret4.offset;havoc sll_create_#t~ret4.base, sll_create_#t~ret4.offset;call write~$Pointer$(sll_create_~head~0.base, sll_create_~head~0.offset, sll_create_~new_head~0.base, 4 + sll_create_~new_head~0.offset, 4);sll_create_~head~0.base, sll_create_~head~0.offset := sll_create_~new_head~0.base, sll_create_~new_head~0.offset; {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:17,041 INFO L280 TraceCheckUtils]: 11: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} sll_create_#t~post3 := sll_create_~len;sll_create_~len := sll_create_#t~post3 - 1;havoc sll_create_#t~post3; {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:17,042 INFO L280 TraceCheckUtils]: 12: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} assume !(sll_create_~len > 0); {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:17,043 INFO L280 TraceCheckUtils]: 13: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} sll_create_#res.base, sll_create_#res.offset := sll_create_~head~0.base, sll_create_~head~0.offset; {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:17,043 INFO L280 TraceCheckUtils]: 14: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} main_#t~ret11.base, main_#t~ret11.offset := sll_create_#res.base, sll_create_#res.offset;main_~s~0.base, main_~s~0.offset := main_#t~ret11.base, main_#t~ret11.offset;havoc main_#t~ret11.base, main_#t~ret11.offset;havoc main_~i~0;main_~i~0 := main_~len~0 - 1; {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:17,044 INFO L280 TraceCheckUtils]: 15: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} assume !!(main_~i~0 >= 0);main_~new_data~0 := main_~i~0 + main_~len~0;sll_update_at_#in~head.base, sll_update_at_#in~head.offset, sll_update_at_#in~data, sll_update_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~new_data~0, main_~i~0;havoc sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset, sll_update_at_#t~post10, sll_update_at_~head.base, sll_update_at_~head.offset, sll_update_at_~data, sll_update_at_~index;sll_update_at_~head.base, sll_update_at_~head.offset := sll_update_at_#in~head.base, sll_update_at_#in~head.offset;sll_update_at_~data := sll_update_at_#in~data;sll_update_at_~index := sll_update_at_#in~index; {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:17,044 INFO L280 TraceCheckUtils]: 16: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} assume !!(sll_update_at_~index > 0);call sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset := read~$Pointer$(sll_update_at_~head.base, 4 + sll_update_at_~head.offset, 4);sll_update_at_~head.base, sll_update_at_~head.offset := sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset;havoc sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset;sll_update_at_#t~post10 := sll_update_at_~index;sll_update_at_~index := sll_update_at_#t~post10 - 1;havoc sll_update_at_#t~post10; {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:17,045 INFO L280 TraceCheckUtils]: 17: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} assume !(sll_update_at_~index > 0); {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:17,045 INFO L280 TraceCheckUtils]: 18: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} call write~int(sll_update_at_~data, sll_update_at_~head.base, sll_update_at_~head.offset, 4); {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:17,046 INFO L280 TraceCheckUtils]: 19: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} main_#t~post12 := main_~i~0;main_~i~0 := main_#t~post12 - 1;havoc main_#t~post12; {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:17,046 INFO L280 TraceCheckUtils]: 20: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} assume !!(main_~i~0 >= 0);main_~new_data~0 := main_~i~0 + main_~len~0;sll_update_at_#in~head.base, sll_update_at_#in~head.offset, sll_update_at_#in~data, sll_update_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~new_data~0, main_~i~0;havoc sll_update_at_#t~mem9.base, sll_update_at_#t~mem9.offset, sll_update_at_#t~post10, sll_update_at_~head.base, sll_update_at_~head.offset, sll_update_at_~data, sll_update_at_~index;sll_update_at_~head.base, sll_update_at_~head.offset := sll_update_at_#in~head.base, sll_update_at_#in~head.offset;sll_update_at_~data := sll_update_at_#in~data;sll_update_at_~index := sll_update_at_#in~index; {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:17,047 INFO L280 TraceCheckUtils]: 21: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} assume !(sll_update_at_~index > 0); {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:17,048 INFO L280 TraceCheckUtils]: 22: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} call write~int(sll_update_at_~data, sll_update_at_~head.base, sll_update_at_~head.offset, 4); {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:17,048 INFO L280 TraceCheckUtils]: 23: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} main_#t~post12 := main_~i~0;main_~i~0 := main_#t~post12 - 1;havoc main_#t~post12; {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:17,049 INFO L280 TraceCheckUtils]: 24: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} assume !(main_~i~0 >= 0); {3056#(<= ULTIMATE.start_main_~len~0 2)} is VALID [2020-07-28 18:08:17,050 INFO L280 TraceCheckUtils]: 25: Hoare triple {3056#(<= ULTIMATE.start_main_~len~0 2)} main_~i~0 := main_~len~0 - 1; {3057#(<= ULTIMATE.start_main_~i~0 1)} is VALID [2020-07-28 18:08:17,053 INFO L280 TraceCheckUtils]: 26: Hoare triple {3057#(<= ULTIMATE.start_main_~i~0 1)} assume !!(main_~i~0 >= 0);main_~expected~0 := main_~i~0 + main_~len~0;sll_get_data_at_#in~head.base, sll_get_data_at_#in~head.offset, sll_get_data_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~i~0;havoc sll_get_data_at_#res;havoc sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset, sll_get_data_at_#t~post7, sll_get_data_at_#t~mem8, sll_get_data_at_~head.base, sll_get_data_at_~head.offset, sll_get_data_at_~index;sll_get_data_at_~head.base, sll_get_data_at_~head.offset := sll_get_data_at_#in~head.base, sll_get_data_at_#in~head.offset;sll_get_data_at_~index := sll_get_data_at_#in~index; {3057#(<= ULTIMATE.start_main_~i~0 1)} is VALID [2020-07-28 18:08:17,063 INFO L280 TraceCheckUtils]: 27: Hoare triple {3057#(<= ULTIMATE.start_main_~i~0 1)} assume !!(sll_get_data_at_~index > 0);call sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset := read~$Pointer$(sll_get_data_at_~head.base, 4 + sll_get_data_at_~head.offset, 4);sll_get_data_at_~head.base, sll_get_data_at_~head.offset := sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset;havoc sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset;sll_get_data_at_#t~post7 := sll_get_data_at_~index;sll_get_data_at_~index := sll_get_data_at_#t~post7 - 1;havoc sll_get_data_at_#t~post7; {3057#(<= ULTIMATE.start_main_~i~0 1)} is VALID [2020-07-28 18:08:17,064 INFO L280 TraceCheckUtils]: 28: Hoare triple {3057#(<= ULTIMATE.start_main_~i~0 1)} assume !(sll_get_data_at_~index > 0); {3057#(<= ULTIMATE.start_main_~i~0 1)} is VALID [2020-07-28 18:08:17,065 INFO L280 TraceCheckUtils]: 29: Hoare triple {3057#(<= ULTIMATE.start_main_~i~0 1)} call sll_get_data_at_#t~mem8 := read~int(sll_get_data_at_~head.base, sll_get_data_at_~head.offset, 4);sll_get_data_at_#res := sll_get_data_at_#t~mem8;havoc sll_get_data_at_#t~mem8; {3057#(<= ULTIMATE.start_main_~i~0 1)} is VALID [2020-07-28 18:08:17,065 INFO L280 TraceCheckUtils]: 30: Hoare triple {3057#(<= ULTIMATE.start_main_~i~0 1)} main_#t~ret14 := sll_get_data_at_#res;assume -2147483648 <= main_#t~ret14 && main_#t~ret14 <= 2147483647; {3057#(<= ULTIMATE.start_main_~i~0 1)} is VALID [2020-07-28 18:08:17,066 INFO L280 TraceCheckUtils]: 31: Hoare triple {3057#(<= ULTIMATE.start_main_~i~0 1)} assume !(main_~expected~0 != main_#t~ret14);havoc main_#t~ret14; {3057#(<= ULTIMATE.start_main_~i~0 1)} is VALID [2020-07-28 18:08:17,067 INFO L280 TraceCheckUtils]: 32: Hoare triple {3057#(<= ULTIMATE.start_main_~i~0 1)} main_#t~post13 := main_~i~0;main_~i~0 := main_#t~post13 - 1;havoc main_#t~post13; {3058#(<= ULTIMATE.start_main_~i~0 0)} is VALID [2020-07-28 18:08:17,068 INFO L280 TraceCheckUtils]: 33: Hoare triple {3058#(<= ULTIMATE.start_main_~i~0 0)} assume !!(main_~i~0 >= 0);main_~expected~0 := main_~i~0 + main_~len~0;sll_get_data_at_#in~head.base, sll_get_data_at_#in~head.offset, sll_get_data_at_#in~index := main_~s~0.base, main_~s~0.offset, main_~i~0;havoc sll_get_data_at_#res;havoc sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset, sll_get_data_at_#t~post7, sll_get_data_at_#t~mem8, sll_get_data_at_~head.base, sll_get_data_at_~head.offset, sll_get_data_at_~index;sll_get_data_at_~head.base, sll_get_data_at_~head.offset := sll_get_data_at_#in~head.base, sll_get_data_at_#in~head.offset;sll_get_data_at_~index := sll_get_data_at_#in~index; {3059#(<= ULTIMATE.start_sll_get_data_at_~index 0)} is VALID [2020-07-28 18:08:17,069 INFO L280 TraceCheckUtils]: 34: Hoare triple {3059#(<= ULTIMATE.start_sll_get_data_at_~index 0)} assume !!(sll_get_data_at_~index > 0);call sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset := read~$Pointer$(sll_get_data_at_~head.base, 4 + sll_get_data_at_~head.offset, 4);sll_get_data_at_~head.base, sll_get_data_at_~head.offset := sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset;havoc sll_get_data_at_#t~mem6.base, sll_get_data_at_#t~mem6.offset;sll_get_data_at_#t~post7 := sll_get_data_at_~index;sll_get_data_at_~index := sll_get_data_at_#t~post7 - 1;havoc sll_get_data_at_#t~post7; {3055#false} is VALID [2020-07-28 18:08:17,069 INFO L280 TraceCheckUtils]: 35: Hoare triple {3055#false} assume !(sll_get_data_at_~index > 0); {3055#false} is VALID [2020-07-28 18:08:17,069 INFO L280 TraceCheckUtils]: 36: Hoare triple {3055#false} call sll_get_data_at_#t~mem8 := read~int(sll_get_data_at_~head.base, sll_get_data_at_~head.offset, 4);sll_get_data_at_#res := sll_get_data_at_#t~mem8;havoc sll_get_data_at_#t~mem8; {3055#false} is VALID [2020-07-28 18:08:17,070 INFO L280 TraceCheckUtils]: 37: Hoare triple {3055#false} main_#t~ret14 := sll_get_data_at_#res;assume -2147483648 <= main_#t~ret14 && main_#t~ret14 <= 2147483647; {3055#false} is VALID [2020-07-28 18:08:17,070 INFO L280 TraceCheckUtils]: 38: Hoare triple {3055#false} assume main_~expected~0 != main_#t~ret14;havoc main_#t~ret14; {3055#false} is VALID [2020-07-28 18:08:17,070 INFO L280 TraceCheckUtils]: 39: Hoare triple {3055#false} assume !false; {3055#false} is VALID [2020-07-28 18:08:17,072 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-07-28 18:08:17,072 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-28 18:08:17,072 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2020-07-28 18:08:17,073 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743792862] [2020-07-28 18:08:17,073 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 40 [2020-07-28 18:08:17,074 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:08:17,074 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 18:08:17,117 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:08:17,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 18:08:17,117 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:08:17,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 18:08:17,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-28 18:08:17,118 INFO L87 Difference]: Start difference. First operand 41 states and 44 transitions. Second operand 6 states. [2020-07-28 18:08:17,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:08:17,469 INFO L93 Difference]: Finished difference Result 51 states and 55 transitions. [2020-07-28 18:08:17,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 18:08:17,470 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 40 [2020-07-28 18:08:17,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:08:17,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 18:08:17,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 44 transitions. [2020-07-28 18:08:17,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 18:08:17,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 44 transitions. [2020-07-28 18:08:17,472 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 44 transitions. [2020-07-28 18:08:17,531 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 44 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:08:17,531 INFO L225 Difference]: With dead ends: 51 [2020-07-28 18:08:17,531 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 18:08:17,533 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-07-28 18:08:17,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 18:08:17,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 18:08:17,533 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:08:17,534 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 18:08:17,534 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:08:17,534 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:08:17,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:08:17,534 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:08:17,534 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:08:17,534 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:08:17,534 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:08:17,535 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:08:17,535 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:08:17,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:08:17,535 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:08:17,535 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:08:17,535 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:08:17,535 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:08:17,535 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:08:17,535 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:08:17,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 18:08:17,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 18:08:17,536 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2020-07-28 18:08:17,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:08:17,536 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 18:08:17,536 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 18:08:17,536 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:08:17,536 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:08:17,737 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-28 18:08:17,740 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 18:08:18,267 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 91 [2020-07-28 18:08:18,636 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2020-07-28 18:08:18,987 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 101 [2020-07-28 18:08:19,495 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 106 [2020-07-28 18:08:19,744 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2020-07-28 18:08:19,793 INFO L264 CegarLoopResult]: At program point L589-2(lines 589 592) the Hoare annotation is: (let ((.cse26 (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base))) (let ((.cse23 (* ULTIMATE.start_main_~len~0 2)) (.cse25 (+ ULTIMATE.start_main_~len~0 ULTIMATE.start_main_~i~0)) (.cse24 (select (select |#memory_int| (select .cse26 4)) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) 4)))) (let ((.cse0 (= 0 ULTIMATE.start_main_~s~0.offset)) (.cse4 (= 0 (mod (+ ULTIMATE.start_main_~expected~0 1) 2))) (.cse5 (<= .cse25 .cse24)) (.cse9 (not (= ULTIMATE.start_main_~s~0.base (select .cse26 (+ ULTIMATE.start_main_~s~0.offset 4))))) (.cse13 (<= .cse24 .cse25)) (.cse16 (<= ULTIMATE.start_main_~i~0 1)) (.cse18 (= ULTIMATE.start_main_~len~0 (+ ULTIMATE.start_main_~i~0 1))) (.cse1 (= .cse23 (+ ULTIMATE.start_sll_update_at_~data 2))) (.cse2 (<= ULTIMATE.start_sll_get_data_at_~index 0)) (.cse3 (<= ULTIMATE.start_sll_update_at_~index 0)) (.cse6 (= .cse23 (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 2))) (.cse8 (= 1 (select |#valid| ULTIMATE.start_sll_create_~head~0.base))) (.cse7 (<= 0 ULTIMATE.start_main_~i~0)) (.cse10 (= ULTIMATE.start_main_~s~0.base ULTIMATE.start_sll_update_at_~head.base)) (.cse11 (<= 2 ULTIMATE.start_main_~len~0)) (.cse12 (= 1 (select |#valid| ULTIMATE.start_node_create_~temp~0.base))) (.cse15 (= (select |#valid| |ULTIMATE.start_node_create_#res.base|) 1)) (.cse17 (= ULTIMATE.start_main_~s~0.offset ULTIMATE.start_sll_update_at_~head.offset)) (.cse14 (select (select |#memory_int| ULTIMATE.start_sll_get_data_at_~head.base) ULTIMATE.start_sll_get_data_at_~head.offset))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (= (+ (* (div (+ ULTIMATE.start_main_~expected~0 (- 1)) 2) 2) .cse14 1) (* ULTIMATE.start_main_~expected~0 2)) .cse15 .cse16 .cse17 .cse18) (let ((.cse21 (+ ULTIMATE.start_sll_get_data_at_~head.offset 4))) (let ((.cse19 (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_get_data_at_~head.base) .cse21))) (let ((.cse20 (select (select |#memory_int| .cse19) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_sll_get_data_at_~head.base) .cse21)))) (and .cse0 .cse1 (= ULTIMATE.start_sll_get_data_at_~head.offset 0) .cse4 .cse3 (not (= .cse19 ULTIMATE.start_sll_get_data_at_~head.base)) (<= ULTIMATE.start_sll_get_data_at_~index 1) .cse5 .cse6 .cse8 .cse9 (<= 1 ULTIMATE.start_sll_get_data_at_~index) .cse10 (<= ULTIMATE.start_main_~expected~0 .cse20) .cse11 .cse13 .cse12 (<= .cse20 ULTIMATE.start_main_~expected~0) .cse16 .cse17 .cse15 .cse18)))) (let ((.cse22 (div (+ .cse14 (* ULTIMATE.start_main_~expected~0 (- 2)) 2) (- 2)))) (and (<= ULTIMATE.start_main_~expected~0 (+ .cse22 2)) .cse1 (= 0 (mod .cse14 (- 2))) .cse2 .cse3 .cse6 (= ULTIMATE.start_main_~len~0 (+ ULTIMATE.start_main_~i~0 2)) (<= ULTIMATE.start_main_~len~0 2) .cse8 .cse7 (<= 0 .cse22) .cse10 .cse11 .cse12 (<= (+ (* 2 .cse22) 2) ULTIMATE.start_main_~expected~0) .cse15 .cse17)))))) [2020-07-28 18:08:19,793 INFO L268 CegarLoopResult]: For program point L589-3(lines 589 592) no Hoare annotation was computed. [2020-07-28 18:08:19,793 INFO L264 CegarLoopResult]: At program point L614(lines 602 621) the Hoare annotation is: false [2020-07-28 18:08:19,794 INFO L268 CegarLoopResult]: For program point L581(lines 581 587) no Hoare annotation was computed. [2020-07-28 18:08:19,794 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 18:08:19,794 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 18:08:19,794 INFO L268 CegarLoopResult]: For program point L565(lines 565 567) no Hoare annotation was computed. [2020-07-28 18:08:19,794 INFO L268 CegarLoopResult]: For program point L565-1(lines 565 567) no Hoare annotation was computed. [2020-07-28 18:08:19,794 INFO L271 CegarLoopResult]: At program point L582-2(lines 582 586) the Hoare annotation is: true [2020-07-28 18:08:19,794 INFO L264 CegarLoopResult]: At program point L607-2(lines 607 610) the Hoare annotation is: (let ((.cse12 (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base))) (let ((.cse0 (= 0 ULTIMATE.start_main_~s~0.offset)) (.cse13 (= ULTIMATE.start_main_~s~0.base ULTIMATE.start_sll_update_at_~head.base)) (.cse9 (<= ULTIMATE.start_sll_update_at_~index 0)) (.cse8 (* 2 ULTIMATE.start_main_~len~0)) (.cse10 (+ ULTIMATE.start_main_~i~0 2)) (.cse11 (<= ULTIMATE.start_main_~len~0 2)) (.cse2 (= 1 (select |#valid| ULTIMATE.start_sll_create_~head~0.base))) (.cse3 (<= 2 ULTIMATE.start_main_~len~0)) (.cse4 (= 1 (select |#valid| ULTIMATE.start_node_create_~temp~0.base))) (.cse5 (= (select |#valid| |ULTIMATE.start_node_create_#res.base|) 1)) (.cse1 (select .cse12 4))) (or (and .cse0 (not (= ULTIMATE.start_sll_create_~head~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_create_~head~0.base) 4))) (= 0 |ULTIMATE.start_sll_create_#res.offset|) (not (= ULTIMATE.start_main_~s~0.base .cse1)) .cse2 .cse3 .cse4 (not (= |ULTIMATE.start_sll_create_#res.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res.base|) 4))) (= 0 ULTIMATE.start_sll_create_~head~0.offset) (= ULTIMATE.start_main_~len~0 (+ ULTIMATE.start_main_~i~0 1)) .cse5 (<= ULTIMATE.start_main_~i~0 1)) (let ((.cse7 (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_update_at_~head.base) 4)) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_sll_update_at_~head.base) 4)) 1)) (.cse6 (* ULTIMATE.start_main_~len~0 2))) (and .cse0 (= .cse6 (+ ULTIMATE.start_sll_update_at_~data 2)) (<= .cse7 .cse8) (<= .cse8 .cse7) .cse9 (<= .cse10 ULTIMATE.start_main_~len~0) (= .cse6 (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 2)) .cse11 .cse2 (not (= ULTIMATE.start_main_~s~0.base (select .cse12 (+ ULTIMATE.start_main_~s~0.offset 4)))) .cse13 .cse3 .cse4 .cse5 (= ULTIMATE.start_main_~s~0.offset ULTIMATE.start_sll_update_at_~head.offset))) (let ((.cse16 (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) 4))) (let ((.cse15 (+ (select (select |#memory_int| .cse1) .cse16) 1)) (.cse14 (+ ULTIMATE.start_sll_update_at_~data 1))) (and .cse0 (<= .cse8 .cse14) (<= .cse15 .cse8) (= ULTIMATE.start_sll_update_at_~head.base .cse1) (not .cse13) (<= .cse8 .cse15) .cse9 (<= .cse14 .cse8) (= ULTIMATE.start_main_~len~0 .cse10) .cse11 .cse2 .cse3 .cse4 .cse5 (= .cse16 ULTIMATE.start_sll_update_at_~head.offset))))))) [2020-07-28 18:08:19,794 INFO L268 CegarLoopResult]: For program point L574-2(lines 574 578) no Hoare annotation was computed. [2020-07-28 18:08:19,795 INFO L268 CegarLoopResult]: For program point L607-3(lines 607 610) no Hoare annotation was computed. [2020-07-28 18:08:19,795 INFO L264 CegarLoopResult]: At program point L574-3(lines 574 578) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_main_~len~0 2)) (.cse2 (= 1 (select |#valid| ULTIMATE.start_sll_create_~head~0.base))) (.cse1 (<= 2 ULTIMATE.start_main_~len~0)) (.cse3 (= 1 (select |#valid| ULTIMATE.start_node_create_~temp~0.base))) (.cse4 (= (select |#valid| |ULTIMATE.start_node_create_#res.base|) 1))) (or (and (<= 2 ULTIMATE.start_sll_create_~len) .cse0 .cse1) (and (<= 1 ULTIMATE.start_sll_create_~len) .cse0 .cse2 .cse1 .cse3 .cse4) (and (not (= ULTIMATE.start_sll_create_~head~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_create_~head~0.base) 4))) .cse0 .cse2 .cse1 .cse3 .cse4 (= 0 ULTIMATE.start_sll_create_~head~0.offset)))) [2020-07-28 18:08:19,795 INFO L268 CegarLoopResult]: For program point L574-4(lines 574 578) no Hoare annotation was computed. [2020-07-28 18:08:19,796 INFO L264 CegarLoopResult]: At program point L593(lines 588 594) the Hoare annotation is: (and (<= ULTIMATE.start_main_~len~0 2) (<= ULTIMATE.start_sll_get_data_at_~index 0) (let ((.cse19 (* ULTIMATE.start_main_~len~0 2))) (let ((.cse2 (= .cse19 (+ ULTIMATE.start_sll_update_at_~data 2))) (.cse3 (<= ULTIMATE.start_sll_update_at_~index 0)) (.cse6 (= .cse19 (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 2))) (.cse8 (= 1 (select |#valid| ULTIMATE.start_sll_create_~head~0.base))) (.cse7 (<= 0 ULTIMATE.start_main_~i~0)) (.cse10 (= ULTIMATE.start_main_~s~0.base ULTIMATE.start_sll_update_at_~head.base)) (.cse11 (<= 2 ULTIMATE.start_main_~len~0)) (.cse12 (= 1 (select |#valid| ULTIMATE.start_node_create_~temp~0.base))) (.cse14 (= (select |#valid| |ULTIMATE.start_node_create_#res.base|) 1)) (.cse15 (= ULTIMATE.start_main_~s~0.offset ULTIMATE.start_sll_update_at_~head.offset)) (.cse13 (select (select |#memory_int| ULTIMATE.start_sll_get_data_at_~head.base) ULTIMATE.start_sll_get_data_at_~head.offset))) (or (let ((.cse9 (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base))) (let ((.cse5 (select (select |#memory_int| (select .cse9 4)) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) 4))) (.cse4 (+ ULTIMATE.start_main_~len~0 ULTIMATE.start_main_~i~0)) (.cse0 (* (div (+ ULTIMATE.start_main_~expected~0 (- 1)) 2) 2)) (.cse1 (* ULTIMATE.start_main_~expected~0 2))) (and (= 0 ULTIMATE.start_main_~s~0.offset) (= (+ .cse0 |ULTIMATE.start_sll_get_data_at_#res| 1) .cse1) .cse2 .cse3 (= 0 (mod (+ ULTIMATE.start_main_~expected~0 1) 2)) (<= .cse4 .cse5) .cse6 .cse7 .cse8 (not (= ULTIMATE.start_main_~s~0.base (select .cse9 (+ ULTIMATE.start_main_~s~0.offset 4)))) .cse10 .cse11 .cse12 (<= .cse5 .cse4) (= (+ .cse0 .cse13 1) .cse1) .cse14 .cse15 (= ULTIMATE.start_main_~len~0 (+ ULTIMATE.start_main_~i~0 1))))) (let ((.cse18 (* ULTIMATE.start_main_~expected~0 (- 2)))) (let ((.cse16 (div (+ .cse13 .cse18 2) (- 2))) (.cse17 (div (+ |ULTIMATE.start_sll_get_data_at_#res| .cse18 2) (- 2)))) (and (<= ULTIMATE.start_main_~expected~0 (+ .cse16 2)) .cse2 (= 0 (mod .cse13 (- 2))) (<= 0 .cse17) .cse3 .cse6 (= 0 (mod |ULTIMATE.start_sll_get_data_at_#res| (- 2))) (= ULTIMATE.start_main_~len~0 (+ ULTIMATE.start_main_~i~0 2)) .cse8 .cse7 .cse10 .cse11 .cse12 (<= (+ (* 2 .cse16) 2) ULTIMATE.start_main_~expected~0) .cse14 .cse15 (<= (+ (* 2 .cse17) 2) ULTIMATE.start_main_~expected~0)))))))) [2020-07-28 18:08:19,796 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 18:08:19,796 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 619) no Hoare annotation was computed. [2020-07-28 18:08:19,796 INFO L271 CegarLoopResult]: At program point L561(line 561) the Hoare annotation is: true [2020-07-28 18:08:19,796 INFO L268 CegarLoopResult]: For program point L611-2(lines 611 616) no Hoare annotation was computed. [2020-07-28 18:08:19,796 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 18:08:19,796 INFO L264 CegarLoopResult]: At program point L611-3(lines 611 616) the Hoare annotation is: (let ((.cse12 (* ULTIMATE.start_main_~len~0 2))) (let ((.cse2 (= .cse12 (+ ULTIMATE.start_sll_update_at_~data 2))) (.cse6 (<= ULTIMATE.start_sll_update_at_~index 0)) (.cse0 (= .cse12 (+ (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset) 2))) (.cse1 (= 1 (select |#valid| ULTIMATE.start_sll_create_~head~0.base))) (.cse3 (= ULTIMATE.start_main_~s~0.base ULTIMATE.start_sll_update_at_~head.base)) (.cse4 (<= 2 ULTIMATE.start_main_~len~0)) (.cse5 (= 1 (select |#valid| ULTIMATE.start_node_create_~temp~0.base))) (.cse7 (= (select |#valid| |ULTIMATE.start_node_create_#res.base|) 1)) (.cse8 (= ULTIMATE.start_main_~s~0.offset ULTIMATE.start_sll_update_at_~head.offset))) (or (and (<= (+ ULTIMATE.start_main_~i~0 2) ULTIMATE.start_main_~len~0) .cse0 .cse1 (<= ULTIMATE.start_main_~len~0 2) .cse2 .cse3 .cse4 (<= ULTIMATE.start_sll_get_data_at_~index 0) .cse5 .cse6 .cse7 .cse8) (let ((.cse11 (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base))) (let ((.cse10 (select (select |#memory_int| (select .cse11 4)) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) 4))) (.cse9 (+ ULTIMATE.start_main_~len~0 ULTIMATE.start_main_~i~0))) (and (= 0 ULTIMATE.start_main_~s~0.offset) .cse2 .cse6 (<= .cse9 .cse10) .cse0 .cse1 (not (= ULTIMATE.start_main_~s~0.base (select .cse11 (+ ULTIMATE.start_main_~s~0.offset 4)))) .cse3 .cse4 .cse5 (<= .cse10 .cse9) .cse7 (<= ULTIMATE.start_main_~i~0 1) .cse8 (= ULTIMATE.start_main_~len~0 (+ ULTIMATE.start_main_~i~0 1)))))))) [2020-07-28 18:08:19,797 INFO L268 CegarLoopResult]: For program point L611-4(lines 611 616) no Hoare annotation was computed. [2020-07-28 18:08:19,797 INFO L264 CegarLoopResult]: At program point L570(lines 563 571) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_main_~len~0 2)) (.cse1 (<= 2 ULTIMATE.start_main_~len~0)) (.cse2 (= 1 (select |#valid| ULTIMATE.start_node_create_~temp~0.base))) (.cse3 (= (select |#valid| |ULTIMATE.start_node_create_#res.base|) 1))) (or (and (= 0 |ULTIMATE.start_node_create_#res.offset|) (<= 1 ULTIMATE.start_sll_create_~len) (= 0 ULTIMATE.start_node_create_~temp~0.offset) (not (= |ULTIMATE.start_node_create_#res.base| ULTIMATE.start_sll_create_~head~0.base)) (= 1 (select |#valid| ULTIMATE.start_sll_create_~head~0.base)) .cse0 .cse1 .cse2 (not (= ULTIMATE.start_sll_create_~head~0.base ULTIMATE.start_node_create_~temp~0.base)) .cse3) (and (<= 2 ULTIMATE.start_sll_create_~len) .cse0 .cse1 .cse2 .cse3))) [2020-07-28 18:08:19,797 INFO L268 CegarLoopResult]: For program point L595(lines 1 621) no Hoare annotation was computed. [2020-07-28 18:08:19,797 INFO L271 CegarLoopResult]: At program point L620(lines 602 621) the Hoare annotation is: true [2020-07-28 18:08:19,797 INFO L264 CegarLoopResult]: At program point L579(lines 572 580) the Hoare annotation is: (and (not (= ULTIMATE.start_sll_create_~head~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_create_~head~0.base) 4))) (= 0 |ULTIMATE.start_sll_create_#res.offset|) (<= ULTIMATE.start_main_~len~0 2) (= 1 (select |#valid| ULTIMATE.start_sll_create_~head~0.base)) (<= 2 ULTIMATE.start_main_~len~0) (= 1 (select |#valid| ULTIMATE.start_node_create_~temp~0.base)) (not (= |ULTIMATE.start_sll_create_#res.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res.base|) 4))) (= (select |#valid| |ULTIMATE.start_node_create_#res.base|) 1) (= 0 ULTIMATE.start_sll_create_~head~0.offset)) [2020-07-28 18:08:19,798 INFO L264 CegarLoopResult]: At program point L596-2(lines 596 599) the Hoare annotation is: (let ((.cse2 (* 2 ULTIMATE.start_main_~len~0)) (.cse21 (+ ULTIMATE.start_sll_update_at_~data 1))) (let ((.cse6 (= ULTIMATE.start_main_~s~0.base ULTIMATE.start_sll_update_at_~head.base)) (.cse10 (= ULTIMATE.start_main_~s~0.offset ULTIMATE.start_sll_update_at_~head.offset)) (.cse11 (select |#memory_$Pointer$.base| ULTIMATE.start_sll_update_at_~head.base)) (.cse0 (= 0 ULTIMATE.start_main_~s~0.offset)) (.cse12 (= 0 |ULTIMATE.start_sll_create_#res.offset|)) (.cse13 (<= .cse2 .cse21)) (.cse14 (not (= |ULTIMATE.start_sll_create_#res.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res.base|) 4)))) (.cse15 (= 0 ULTIMATE.start_sll_create_~head~0.offset)) (.cse3 (<= ULTIMATE.start_sll_update_at_~index 0)) (.cse16 (not (= ULTIMATE.start_sll_create_~head~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_create_~head~0.base) 4)))) (.cse17 (<= .cse21 .cse2)) (.cse4 (= 1 (select |#valid| ULTIMATE.start_sll_create_~head~0.base))) (.cse7 (<= 2 ULTIMATE.start_main_~len~0)) (.cse8 (= 1 (select |#valid| ULTIMATE.start_node_create_~temp~0.base))) (.cse18 (= ULTIMATE.start_main_~len~0 (+ ULTIMATE.start_main_~i~0 1))) (.cse9 (= (select |#valid| |ULTIMATE.start_node_create_#res.base|) 1)) (.cse19 (<= ULTIMATE.start_main_~i~0 1)) (.cse5 (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base))) (or (let ((.cse1 (+ (select (select |#memory_int| (select .cse11 4)) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_sll_update_at_~head.base) 4)) 1))) (and .cse0 (= (* ULTIMATE.start_main_~len~0 2) (+ ULTIMATE.start_sll_update_at_~data 2)) (<= .cse1 .cse2) (<= .cse2 .cse1) .cse3 (= ULTIMATE.start_main_~len~0 (+ ULTIMATE.start_main_~i~0 2)) .cse4 (<= ULTIMATE.start_main_~len~0 2) (not (= ULTIMATE.start_main_~s~0.base (select .cse5 (+ ULTIMATE.start_main_~s~0.offset 4)))) .cse6 .cse7 .cse8 .cse9 .cse10)) (and .cse12 .cse13 (<= ULTIMATE.start_sll_update_at_~index ULTIMATE.start_main_~i~0) .cse14 .cse15 .cse16 .cse17 (<= 1 ULTIMATE.start_sll_update_at_~index) .cse4 (= 0 ULTIMATE.start_sll_update_at_~head.offset) .cse6 .cse8 .cse18 .cse9 .cse19 .cse10 (not (= ULTIMATE.start_main_~s~0.base (select .cse11 (+ ULTIMATE.start_sll_update_at_~head.offset 4))))) (let ((.cse20 (select .cse5 4))) (and .cse0 .cse12 .cse13 .cse14 (= ULTIMATE.start_sll_update_at_~head.base .cse20) .cse15 .cse3 .cse16 .cse17 (not (= ULTIMATE.start_main_~s~0.base .cse20)) .cse4 .cse7 .cse8 .cse18 .cse9 .cse19 (= (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) 4) ULTIMATE.start_sll_update_at_~head.offset)))))) [2020-07-28 18:08:19,798 INFO L268 CegarLoopResult]: For program point L596-3(lines 596 599) no Hoare annotation was computed. [2020-07-28 18:08:19,798 INFO L268 CegarLoopResult]: For program point L613(lines 613 615) no Hoare annotation was computed. [2020-07-28 18:08:19,802 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 18:08:19,802 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 18:08:19,802 WARN L170 areAnnotationChecker]: L574-4 has no Hoare annotation [2020-07-28 18:08:19,802 WARN L170 areAnnotationChecker]: L574-4 has no Hoare annotation [2020-07-28 18:08:19,803 WARN L170 areAnnotationChecker]: L565 has no Hoare annotation [2020-07-28 18:08:19,803 WARN L170 areAnnotationChecker]: L574-4 has no Hoare annotation [2020-07-28 18:08:19,803 WARN L170 areAnnotationChecker]: L565 has no Hoare annotation [2020-07-28 18:08:19,803 WARN L170 areAnnotationChecker]: L565 has no Hoare annotation [2020-07-28 18:08:19,807 WARN L170 areAnnotationChecker]: L565-1 has no Hoare annotation [2020-07-28 18:08:19,808 WARN L170 areAnnotationChecker]: L607-3 has no Hoare annotation [2020-07-28 18:08:19,808 WARN L170 areAnnotationChecker]: L607-3 has no Hoare annotation [2020-07-28 18:08:19,817 WARN L170 areAnnotationChecker]: L574-2 has no Hoare annotation [2020-07-28 18:08:19,817 WARN L170 areAnnotationChecker]: L607-3 has no Hoare annotation [2020-07-28 18:08:19,817 WARN L170 areAnnotationChecker]: L596-3 has no Hoare annotation [2020-07-28 18:08:19,817 WARN L170 areAnnotationChecker]: L596-3 has no Hoare annotation [2020-07-28 18:08:19,820 WARN L170 areAnnotationChecker]: L574-2 has no Hoare annotation [2020-07-28 18:08:19,821 WARN L170 areAnnotationChecker]: L611-4 has no Hoare annotation [2020-07-28 18:08:19,821 WARN L170 areAnnotationChecker]: L611-4 has no Hoare annotation [2020-07-28 18:08:19,825 WARN L170 areAnnotationChecker]: L596-3 has no Hoare annotation [2020-07-28 18:08:19,825 WARN L170 areAnnotationChecker]: L611-4 has no Hoare annotation [2020-07-28 18:08:19,825 WARN L170 areAnnotationChecker]: L589-3 has no Hoare annotation [2020-07-28 18:08:19,825 WARN L170 areAnnotationChecker]: L589-3 has no Hoare annotation [2020-07-28 18:08:19,829 WARN L170 areAnnotationChecker]: L595 has no Hoare annotation [2020-07-28 18:08:19,829 WARN L170 areAnnotationChecker]: L581 has no Hoare annotation [2020-07-28 18:08:19,829 WARN L170 areAnnotationChecker]: L581 has no Hoare annotation [2020-07-28 18:08:19,829 WARN L170 areAnnotationChecker]: L589-3 has no Hoare annotation [2020-07-28 18:08:19,829 WARN L170 areAnnotationChecker]: L581 has no Hoare annotation [2020-07-28 18:08:19,829 WARN L170 areAnnotationChecker]: L613 has no Hoare annotation [2020-07-28 18:08:19,830 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:08:19,830 WARN L170 areAnnotationChecker]: L613 has no Hoare annotation [2020-07-28 18:08:19,830 WARN L170 areAnnotationChecker]: L613 has no Hoare annotation [2020-07-28 18:08:19,830 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:08:19,830 WARN L170 areAnnotationChecker]: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION has no Hoare annotation [2020-07-28 18:08:19,830 WARN L170 areAnnotationChecker]: L611-2 has no Hoare annotation [2020-07-28 18:08:19,830 INFO L163 areAnnotationChecker]: CFG has 8 edges. 8 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 18:08:19,842 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,844 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,848 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,848 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,850 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,850 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,854 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,855 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,868 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,869 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,869 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,870 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,870 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:19,871 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,871 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:19,871 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,872 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,875 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:19,876 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,876 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,876 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:19,877 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:19,884 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,886 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,886 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,887 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,887 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,887 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,888 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,888 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,888 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,888 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,889 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,889 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,889 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,890 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,891 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,891 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,891 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,891 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,892 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,893 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,893 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,894 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,895 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,895 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:19,895 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,895 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:19,896 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,896 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,897 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:19,897 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,898 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,900 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:19,900 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:19,904 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,904 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,907 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,907 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,907 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,907 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,908 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,908 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,908 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,908 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,909 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,911 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,911 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,915 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,915 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:19,915 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,916 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:19,916 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,917 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,917 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,922 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,922 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,923 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,923 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,924 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,924 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:19,927 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,927 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,927 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,927 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,928 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,928 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,928 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,928 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,929 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,929 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,929 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,929 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,930 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,930 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,930 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,936 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,936 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:19,936 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,937 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:19,937 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,937 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,938 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,938 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,939 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,939 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,940 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,940 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,940 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:19,944 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,944 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,944 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,944 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,946 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,946 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,946 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,946 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,947 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,947 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,947 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,952 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,953 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:19,954 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,954 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,954 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:19,959 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,959 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,959 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,960 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,960 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,960 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,960 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,961 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,961 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,961 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,961 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,963 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,964 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:19,964 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,964 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,965 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:19,966 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,966 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,967 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,967 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,967 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,967 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,968 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,968 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,968 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,968 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,969 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,969 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,969 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,970 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,971 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,971 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,972 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,973 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,973 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:19,973 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,974 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,974 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:19,974 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,974 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,975 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:19,975 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,975 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,976 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:19,976 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,976 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:19,976 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,977 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:19,981 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,981 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,982 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,982 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,982 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,982 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,983 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,983 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,983 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,983 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,984 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,984 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,984 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,984 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,985 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,985 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,985 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,985 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,986 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,986 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,986 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,986 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,986 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,987 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,987 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,987 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,988 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,988 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,988 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,991 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,992 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:19,992 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,992 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,993 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:19,993 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,993 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,994 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:19,994 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,994 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,995 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:19,995 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,995 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:19,995 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:19,996 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:19,998 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,998 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,998 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,999 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,999 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:19,999 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:19,999 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,000 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,000 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,000 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,000 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,001 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,001 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,001 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,002 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,003 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,004 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,004 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,004 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,005 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,005 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,005 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,005 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,005 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,006 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,006 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,006 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,007 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,007 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,008 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,008 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:20,009 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,009 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,010 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:20,011 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,011 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,011 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,012 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,012 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,012 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,013 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,013 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,013 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,014 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,014 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:20,014 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,014 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,015 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:20,015 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,016 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,016 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,016 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,016 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,017 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,017 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,017 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,017 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 06:08:20 BoogieIcfgContainer [2020-07-28 18:08:20,023 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 18:08:20,023 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 18:08:20,023 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 18:08:20,023 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 18:08:20,024 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:07:56" (3/4) ... [2020-07-28 18:08:20,029 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 18:08:20,047 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-07-28 18:08:20,047 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 18:08:20,048 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:08:20,088 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= len && len <= 2) && 2 <= len) || (((((1 <= len && len <= 2) && 1 == \valid[head]) && 2 <= len) && 1 == \valid[temp]) && \valid[\result] == 1)) || ((((((!(head == #memory_$Pointer$[head][4]) && len <= 2) && 1 == \valid[head]) && 2 <= len) && 1 == \valid[temp]) && \valid[\result] == 1) && 0 == head) [2020-07-28 18:08:20,089 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(head == #memory_$Pointer$[head][4]) && 0 == \result) && len <= 2) && 1 == \valid[head]) && 2 <= len) && 1 == \valid[temp]) && !(\result == #memory_$Pointer$[\result][4])) && \valid[\result] == 1) && 0 == head [2020-07-28 18:08:20,089 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((0 == s && !(head == #memory_$Pointer$[head][4])) && 0 == \result) && !(s == #memory_$Pointer$[s][4])) && 1 == \valid[head]) && 2 <= len) && 1 == \valid[temp]) && !(\result == #memory_$Pointer$[\result][4])) && 0 == head) && len == i + 1) && \valid[\result] == 1) && i <= 1) || ((((((((((((((0 == s && len * 2 == data + 2) && unknown-#memory_int-unknown[#memory_$Pointer$[head][4]][#memory_$Pointer$[head][4]] + 1 <= 2 * len) && 2 * len <= unknown-#memory_int-unknown[#memory_$Pointer$[head][4]][#memory_$Pointer$[head][4]] + 1) && index <= 0) && i + 2 <= len) && len * 2 == unknown-#memory_int-unknown[s][s] + 2) && len <= 2) && 1 == \valid[head]) && !(s == #memory_$Pointer$[s][s + 4])) && s == head) && 2 <= len) && 1 == \valid[temp]) && \valid[\result] == 1) && s == head)) || ((((((((((((((0 == s && 2 * len <= data + 1) && unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]] + 1 <= 2 * len) && head == #memory_$Pointer$[s][4]) && !(s == head)) && 2 * len <= unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]] + 1) && index <= 0) && data + 1 <= 2 * len) && len == i + 2) && len <= 2) && 1 == \valid[head]) && 2 <= len) && 1 == \valid[temp]) && \valid[\result] == 1) && #memory_$Pointer$[s][4] == head) [2020-07-28 18:08:20,090 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((i + 2 <= len && len * 2 == unknown-#memory_int-unknown[s][s] + 2) && 1 == \valid[head]) && len <= 2) && len * 2 == data + 2) && s == head) && 2 <= len) && index <= 0) && 1 == \valid[temp]) && index <= 0) && \valid[\result] == 1) && s == head) || ((((((((((((((0 == s && len * 2 == data + 2) && index <= 0) && len + i <= unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]]) && len * 2 == unknown-#memory_int-unknown[s][s] + 2) && 1 == \valid[head]) && !(s == #memory_$Pointer$[s][s + 4])) && s == head) && 2 <= len) && 1 == \valid[temp]) && unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]] <= len + i) && \valid[\result] == 1) && i <= 1) && s == head) && len == i + 1) [2020-07-28 18:08:20,091 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0 == \result && 1 <= len) && 0 == temp) && !(\result == head)) && 1 == \valid[head]) && len <= 2) && 2 <= len) && 1 == \valid[temp]) && !(head == temp)) && \valid[\result] == 1) || ((((2 <= len && len <= 2) && 2 <= len) && 1 == \valid[temp]) && \valid[\result] == 1) [2020-07-28 18:08:20,091 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((0 == s && len * 2 == data + 2) && unknown-#memory_int-unknown[#memory_$Pointer$[head][4]][#memory_$Pointer$[head][4]] + 1 <= 2 * len) && 2 * len <= unknown-#memory_int-unknown[#memory_$Pointer$[head][4]][#memory_$Pointer$[head][4]] + 1) && index <= 0) && len == i + 2) && 1 == \valid[head]) && len <= 2) && !(s == #memory_$Pointer$[s][s + 4])) && s == head) && 2 <= len) && 1 == \valid[temp]) && \valid[\result] == 1) && s == head) || ((((((((((((((((0 == \result && 2 * len <= data + 1) && index <= i) && !(\result == #memory_$Pointer$[\result][4])) && 0 == head) && !(head == #memory_$Pointer$[head][4])) && data + 1 <= 2 * len) && 1 <= index) && 1 == \valid[head]) && 0 == head) && s == head) && 1 == \valid[temp]) && len == i + 1) && \valid[\result] == 1) && i <= 1) && s == head) && !(s == #memory_$Pointer$[head][head + 4]))) || ((((((((((((((((0 == s && 0 == \result) && 2 * len <= data + 1) && !(\result == #memory_$Pointer$[\result][4])) && head == #memory_$Pointer$[s][4]) && 0 == head) && index <= 0) && !(head == #memory_$Pointer$[head][4])) && data + 1 <= 2 * len) && !(s == #memory_$Pointer$[s][4])) && 1 == \valid[head]) && 2 <= len) && 1 == \valid[temp]) && len == i + 1) && \valid[\result] == 1) && i <= 1) && #memory_$Pointer$[s][4] == head) [2020-07-28 18:08:20,092 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((0 == s && len * 2 == data + 2) && index <= 0) && index <= 0) && 0 == (expected + 1) % 2) && len + i <= unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]]) && len * 2 == unknown-#memory_int-unknown[s][s] + 2) && 0 <= i) && 1 == \valid[head]) && !(s == #memory_$Pointer$[s][s + 4])) && s == head) && 2 <= len) && 1 == \valid[temp]) && unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]] <= len + i) && (expected + -1) / 2 * 2 + unknown-#memory_int-unknown[head][head] + 1 == expected * 2) && \valid[\result] == 1) && i <= 1) && s == head) && len == i + 1) || (((((((((((((((((((((0 == s && len * 2 == data + 2) && head == 0) && 0 == (expected + 1) % 2) && index <= 0) && !(#memory_$Pointer$[head][head + 4] == head)) && index <= 1) && len + i <= unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]]) && len * 2 == unknown-#memory_int-unknown[s][s] + 2) && 1 == \valid[head]) && !(s == #memory_$Pointer$[s][s + 4])) && 1 <= index) && s == head) && expected <= unknown-#memory_int-unknown[#memory_$Pointer$[head][head + 4]][#memory_$Pointer$[head][head + 4]]) && 2 <= len) && unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]] <= len + i) && 1 == \valid[temp]) && unknown-#memory_int-unknown[#memory_$Pointer$[head][head + 4]][#memory_$Pointer$[head][head + 4]] <= expected) && i <= 1) && s == head) && \valid[\result] == 1) && len == i + 1)) || ((((((((((((((((expected <= (unknown-#memory_int-unknown[head][head] + expected * -2 + 2) / -2 + 2 && len * 2 == data + 2) && 0 == unknown-#memory_int-unknown[head][head] % -2) && index <= 0) && index <= 0) && len * 2 == unknown-#memory_int-unknown[s][s] + 2) && len == i + 2) && len <= 2) && 1 == \valid[head]) && 0 <= i) && 0 <= (unknown-#memory_int-unknown[head][head] + expected * -2 + 2) / -2) && s == head) && 2 <= len) && 1 == \valid[temp]) && 2 * ((unknown-#memory_int-unknown[head][head] + expected * -2 + 2) / -2) + 2 <= expected) && \valid[\result] == 1) && s == head) [2020-07-28 18:08:20,093 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (len <= 2 && index <= 0) && ((((((((((((((((((0 == s && (expected + -1) / 2 * 2 + \result + 1 == expected * 2) && len * 2 == data + 2) && index <= 0) && 0 == (expected + 1) % 2) && len + i <= unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]]) && len * 2 == unknown-#memory_int-unknown[s][s] + 2) && 0 <= i) && 1 == \valid[head]) && !(s == #memory_$Pointer$[s][s + 4])) && s == head) && 2 <= len) && 1 == \valid[temp]) && unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]] <= len + i) && (expected + -1) / 2 * 2 + unknown-#memory_int-unknown[head][head] + 1 == expected * 2) && \valid[\result] == 1) && s == head) && len == i + 1) || ((((((((((((((((expected <= (unknown-#memory_int-unknown[head][head] + expected * -2 + 2) / -2 + 2 && len * 2 == data + 2) && 0 == unknown-#memory_int-unknown[head][head] % -2) && 0 <= (\result + expected * -2 + 2) / -2) && index <= 0) && len * 2 == unknown-#memory_int-unknown[s][s] + 2) && 0 == \result % -2) && len == i + 2) && 1 == \valid[head]) && 0 <= i) && s == head) && 2 <= len) && 1 == \valid[temp]) && 2 * ((unknown-#memory_int-unknown[head][head] + expected * -2 + 2) / -2) + 2 <= expected) && \valid[\result] == 1) && s == head) && 2 * ((\result + expected * -2 + 2) / -2) + 2 <= expected)) [2020-07-28 18:08:20,138 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 18:08:20,138 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 18:08:20,142 INFO L168 Benchmark]: Toolchain (without parser) took 25404.09 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 454.6 MB). Free memory was 954.9 MB in the beginning and 928.7 MB in the end (delta: 26.2 MB). Peak memory consumption was 480.7 MB. Max. memory is 11.5 GB. [2020-07-28 18:08:20,143 INFO L168 Benchmark]: CDTParser took 0.74 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:08:20,143 INFO L168 Benchmark]: CACSL2BoogieTranslator took 708.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -142.9 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2020-07-28 18:08:20,143 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:08:20,143 INFO L168 Benchmark]: Boogie Preprocessor took 45.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:08:20,144 INFO L168 Benchmark]: RCFGBuilder took 620.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 11.5 GB. [2020-07-28 18:08:20,145 INFO L168 Benchmark]: TraceAbstraction took 23842.77 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 331.4 MB). Free memory was 1.1 GB in the beginning and 941.4 MB in the end (delta: 111.0 MB). Peak memory consumption was 442.3 MB. Max. memory is 11.5 GB. [2020-07-28 18:08:20,145 INFO L168 Benchmark]: Witness Printer took 115.48 ms. Allocated memory is still 1.5 GB. Free memory was 941.4 MB in the beginning and 928.7 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. [2020-07-28 18:08:20,151 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 708.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -142.9 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 61.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 620.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 23842.77 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 331.4 MB). Free memory was 1.1 GB in the beginning and 941.4 MB in the end (delta: 111.0 MB). Peak memory consumption was 442.3 MB. Max. memory is 11.5 GB. * Witness Printer took 115.48 ms. Allocated memory is still 1.5 GB. Free memory was 941.4 MB in the beginning and 928.7 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 619]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 572]: Loop Invariant [2020-07-28 18:08:20,178 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,179 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,179 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,179 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,180 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,180 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,181 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,181 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((!(head == #memory_$Pointer$[head][4]) && 0 == \result) && len <= 2) && 1 == \valid[head]) && 2 <= len) && 1 == \valid[temp]) && !(\result == #memory_$Pointer$[\result][4])) && \valid[\result] == 1) && 0 == head - InvariantResult [Line: 607]: Loop Invariant [2020-07-28 18:08:20,181 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,184 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,185 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,185 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,185 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:20,186 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,186 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:20,186 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,187 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,187 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:20,187 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,187 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,188 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:20,189 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:20,190 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,190 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,190 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,190 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,191 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,191 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,191 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,191 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,192 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,192 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,192 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,192 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,192 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,193 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,193 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,193 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,193 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,193 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,194 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,194 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,195 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,195 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,195 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,196 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:20,197 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,197 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:20,197 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,198 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,198 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:20,198 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,198 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,199 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:20,199 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:20,200 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,200 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,201 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,201 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,201 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,201 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,201 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,202 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,202 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,202 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,202 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,202 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,203 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,203 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,203 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,203 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,204 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,204 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,204 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((((((((((0 == s && !(head == #memory_$Pointer$[head][4])) && 0 == \result) && !(s == #memory_$Pointer$[s][4])) && 1 == \valid[head]) && 2 <= len) && 1 == \valid[temp]) && !(\result == #memory_$Pointer$[\result][4])) && 0 == head) && len == i + 1) && \valid[\result] == 1) && i <= 1) || ((((((((((((((0 == s && len * 2 == data + 2) && unknown-#memory_int-unknown[#memory_$Pointer$[head][4]][#memory_$Pointer$[head][4]] + 1 <= 2 * len) && 2 * len <= unknown-#memory_int-unknown[#memory_$Pointer$[head][4]][#memory_$Pointer$[head][4]] + 1) && index <= 0) && i + 2 <= len) && len * 2 == unknown-#memory_int-unknown[s][s] + 2) && len <= 2) && 1 == \valid[head]) && !(s == #memory_$Pointer$[s][s + 4])) && s == head) && 2 <= len) && 1 == \valid[temp]) && \valid[\result] == 1) && s == head)) || ((((((((((((((0 == s && 2 * len <= data + 1) && unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]] + 1 <= 2 * len) && head == #memory_$Pointer$[s][4]) && !(s == head)) && 2 * len <= unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]] + 1) && index <= 0) && data + 1 <= 2 * len) && len == i + 2) && len <= 2) && 1 == \valid[head]) && 2 <= len) && 1 == \valid[temp]) && \valid[\result] == 1) && #memory_$Pointer$[s][4] == head) - InvariantResult [Line: 596]: Loop Invariant [2020-07-28 18:08:20,205 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,205 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:20,205 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,205 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:20,206 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,206 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,208 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,208 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,208 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,209 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,209 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,209 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,209 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:20,210 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,211 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,211 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,211 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,211 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,212 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,212 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,212 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,212 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,213 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,213 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,213 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,214 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,214 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,214 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,215 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,215 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:20,215 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,215 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:20,216 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,216 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,216 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,216 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,217 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,217 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,217 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,217 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,218 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:20,219 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,219 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,219 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,221 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,221 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,221 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,221 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,222 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,222 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,222 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,222 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((((((((((((0 == s && len * 2 == data + 2) && unknown-#memory_int-unknown[#memory_$Pointer$[head][4]][#memory_$Pointer$[head][4]] + 1 <= 2 * len) && 2 * len <= unknown-#memory_int-unknown[#memory_$Pointer$[head][4]][#memory_$Pointer$[head][4]] + 1) && index <= 0) && len == i + 2) && 1 == \valid[head]) && len <= 2) && !(s == #memory_$Pointer$[s][s + 4])) && s == head) && 2 <= len) && 1 == \valid[temp]) && \valid[\result] == 1) && s == head) || ((((((((((((((((0 == \result && 2 * len <= data + 1) && index <= i) && !(\result == #memory_$Pointer$[\result][4])) && 0 == head) && !(head == #memory_$Pointer$[head][4])) && data + 1 <= 2 * len) && 1 <= index) && 1 == \valid[head]) && 0 == head) && s == head) && 1 == \valid[temp]) && len == i + 1) && \valid[\result] == 1) && i <= 1) && s == head) && !(s == #memory_$Pointer$[head][head + 4]))) || ((((((((((((((((0 == s && 0 == \result) && 2 * len <= data + 1) && !(\result == #memory_$Pointer$[\result][4])) && head == #memory_$Pointer$[s][4]) && 0 == head) && index <= 0) && !(head == #memory_$Pointer$[head][4])) && data + 1 <= 2 * len) && !(s == #memory_$Pointer$[s][4])) && 1 == \valid[head]) && 2 <= len) && 1 == \valid[temp]) && len == i + 1) && \valid[\result] == 1) && i <= 1) && #memory_$Pointer$[s][4] == head) - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 588]: Loop Invariant [2020-07-28 18:08:20,223 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,223 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:20,224 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,224 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,224 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:20,226 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,226 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,226 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,226 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,227 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,227 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,227 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,227 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,227 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,228 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,228 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,228 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,228 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,229 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,229 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:20,229 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,230 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,230 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:20,231 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,231 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,232 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,232 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,232 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,232 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,233 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,233 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,233 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,233 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,233 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,234 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,234 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (len <= 2 && index <= 0) && ((((((((((((((((((0 == s && (expected + -1) / 2 * 2 + \result + 1 == expected * 2) && len * 2 == data + 2) && index <= 0) && 0 == (expected + 1) % 2) && len + i <= unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]]) && len * 2 == unknown-#memory_int-unknown[s][s] + 2) && 0 <= i) && 1 == \valid[head]) && !(s == #memory_$Pointer$[s][s + 4])) && s == head) && 2 <= len) && 1 == \valid[temp]) && unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]] <= len + i) && (expected + -1) / 2 * 2 + unknown-#memory_int-unknown[head][head] + 1 == expected * 2) && \valid[\result] == 1) && s == head) && len == i + 1) || ((((((((((((((((expected <= (unknown-#memory_int-unknown[head][head] + expected * -2 + 2) / -2 + 2 && len * 2 == data + 2) && 0 == unknown-#memory_int-unknown[head][head] % -2) && 0 <= (\result + expected * -2 + 2) / -2) && index <= 0) && len * 2 == unknown-#memory_int-unknown[s][s] + 2) && 0 == \result % -2) && len == i + 2) && 1 == \valid[head]) && 0 <= i) && s == head) && 2 <= len) && 1 == \valid[temp]) && 2 * ((unknown-#memory_int-unknown[head][head] + expected * -2 + 2) / -2) + 2 <= expected) && \valid[\result] == 1) && s == head) && 2 * ((\result + expected * -2 + 2) / -2) + 2 <= expected)) - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 574]: Loop Invariant [2020-07-28 18:08:20,235 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,235 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,236 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,236 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((2 <= len && len <= 2) && 2 <= len) || (((((1 <= len && len <= 2) && 1 == \valid[head]) && 2 <= len) && 1 == \valid[temp]) && \valid[\result] == 1)) || ((((((!(head == #memory_$Pointer$[head][4]) && len <= 2) && 1 == \valid[head]) && 2 <= len) && 1 == \valid[temp]) && \valid[\result] == 1) && 0 == head) - InvariantResult [Line: 589]: Loop Invariant [2020-07-28 18:08:20,236 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,237 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:20,237 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,237 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,237 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:20,238 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,238 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,239 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:20,240 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,240 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,241 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:20,241 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,241 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:20,242 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,242 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:20,244 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,244 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,245 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,245 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,245 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,246 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,246 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,246 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,246 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,247 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,247 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,247 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,248 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,248 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,248 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,249 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,249 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,249 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,249 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,250 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,251 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,251 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,251 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,251 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,252 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,252 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,252 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,252 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,252 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,253 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,253 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:20,254 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,254 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,254 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:20,255 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,255 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,255 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:20,255 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,256 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,256 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:20,256 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,256 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:20,257 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,257 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:20,259 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,259 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,259 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,259 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,260 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,260 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,260 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,260 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,261 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,261 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,261 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,261 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,262 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,262 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,262 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,263 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,263 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,263 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,263 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,263 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,264 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,264 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,264 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,264 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,264 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,265 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,265 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,265 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,265 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((((((((((((((((((0 == s && len * 2 == data + 2) && index <= 0) && index <= 0) && 0 == (expected + 1) % 2) && len + i <= unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]]) && len * 2 == unknown-#memory_int-unknown[s][s] + 2) && 0 <= i) && 1 == \valid[head]) && !(s == #memory_$Pointer$[s][s + 4])) && s == head) && 2 <= len) && 1 == \valid[temp]) && unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]] <= len + i) && (expected + -1) / 2 * 2 + unknown-#memory_int-unknown[head][head] + 1 == expected * 2) && \valid[\result] == 1) && i <= 1) && s == head) && len == i + 1) || (((((((((((((((((((((0 == s && len * 2 == data + 2) && head == 0) && 0 == (expected + 1) % 2) && index <= 0) && !(#memory_$Pointer$[head][head + 4] == head)) && index <= 1) && len + i <= unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]]) && len * 2 == unknown-#memory_int-unknown[s][s] + 2) && 1 == \valid[head]) && !(s == #memory_$Pointer$[s][s + 4])) && 1 <= index) && s == head) && expected <= unknown-#memory_int-unknown[#memory_$Pointer$[head][head + 4]][#memory_$Pointer$[head][head + 4]]) && 2 <= len) && unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]] <= len + i) && 1 == \valid[temp]) && unknown-#memory_int-unknown[#memory_$Pointer$[head][head + 4]][#memory_$Pointer$[head][head + 4]] <= expected) && i <= 1) && s == head) && \valid[\result] == 1) && len == i + 1)) || ((((((((((((((((expected <= (unknown-#memory_int-unknown[head][head] + expected * -2 + 2) / -2 + 2 && len * 2 == data + 2) && 0 == unknown-#memory_int-unknown[head][head] % -2) && index <= 0) && index <= 0) && len * 2 == unknown-#memory_int-unknown[s][s] + 2) && len == i + 2) && len <= 2) && 1 == \valid[head]) && 0 <= i) && 0 <= (unknown-#memory_int-unknown[head][head] + expected * -2 + 2) / -2) && s == head) && 2 <= len) && 1 == \valid[temp]) && 2 * ((unknown-#memory_int-unknown[head][head] + expected * -2 + 2) / -2) + 2 <= expected) && \valid[\result] == 1) && s == head) - InvariantResult [Line: 611]: Loop Invariant [2020-07-28 18:08:20,267 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,267 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:20,267 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,268 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,268 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:20,269 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,269 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,269 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,270 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,270 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,270 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,270 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,270 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,270 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,271 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,271 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:20,272 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,272 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-28 18:08:20,272 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-28 18:08:20,273 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,274 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,274 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,274 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,276 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,276 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,277 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-28 18:08:20,277 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-28 18:08:20,277 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((((((i + 2 <= len && len * 2 == unknown-#memory_int-unknown[s][s] + 2) && 1 == \valid[head]) && len <= 2) && len * 2 == data + 2) && s == head) && 2 <= len) && index <= 0) && 1 == \valid[temp]) && index <= 0) && \valid[\result] == 1) && s == head) || ((((((((((((((0 == s && len * 2 == data + 2) && index <= 0) && len + i <= unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]]) && len * 2 == unknown-#memory_int-unknown[s][s] + 2) && 1 == \valid[head]) && !(s == #memory_$Pointer$[s][s + 4])) && s == head) && 2 <= len) && 1 == \valid[temp]) && unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]] <= len + i) && \valid[\result] == 1) && i <= 1) && s == head) && len == i + 1) - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: (((((((((0 == \result && 1 <= len) && 0 == temp) && !(\result == head)) && 1 == \valid[head]) && len <= 2) && 2 <= len) && 1 == \valid[temp]) && !(head == temp)) && \valid[\result] == 1) || ((((2 <= len && len <= 2) && 2 <= len) && 1 == \valid[temp]) && \valid[\result] == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.4s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 11.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 257 SDtfs, 737 SDslu, 731 SDs, 0 SdLazy, 1099 SolverSat, 245 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 316 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 12 MinimizatonAttempts, 74 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 31 NumberOfFragments, 1565 HoareAnnotationTreeSize, 12 FomulaSimplifications, 4963 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 12 FomulaSimplificationsInter, 425 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 526 NumberOfCodeBlocks, 526 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 508 ConstructedInterpolants, 0 QuantifiedInterpolants, 104478 SizeOfPredicates, 69 NumberOfNonLiveVariables, 1155 ConjunctsInSsa, 147 ConjunctsInUnsatCore, 18 InterpolantComputations, 6 PerfectInterpolantSequences, 171/232 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...