./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-simple/sll2c_update_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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/sll2c_update_all.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e86102617f1813255879beda7bab492587801800e6506c4c5cd56fb9179f8713 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 12:12:09,440 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 12:12:09,445 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 12:12:09,479 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 12:12:09,491 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 12:12:09,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 12:12:09,494 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 12:12:09,497 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 12:12:09,499 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 12:12:09,500 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 12:12:09,501 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 12:12:09,501 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 12:12:09,503 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 12:12:09,505 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 12:12:09,506 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 12:12:09,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 12:12:09,509 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 12:12:09,513 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 12:12:09,514 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 12:12:09,515 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 12:12:09,516 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 12:12:09,521 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 12:12:09,522 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 12:12:09,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 12:12:09,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 12:12:09,524 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 12:12:09,525 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 12:12:09,525 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 12:12:09,526 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 12:12:09,526 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 12:12:09,526 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 12:12:09,527 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 12:12:09,527 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 12:12:09,528 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 12:12:09,529 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 12:12:09,529 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 12:12:09,529 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 12:12:09,529 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 12:12:09,530 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 12:12:09,530 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 12:12:09,531 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 12:12:09,534 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 12:12:09,554 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 12:12:09,555 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 12:12:09,555 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 12:12:09,555 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 12:12:09,556 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 12:12:09,556 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 12:12:09,556 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 12:12:09,557 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 12:12:09,557 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 12:12:09,557 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 12:12:09,558 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 12:12:09,558 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 12:12:09,558 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 12:12:09,558 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 12:12:09,559 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 12:12:09,559 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 12:12:09,559 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 12:12:09,559 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 12:12:09,559 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 12:12:09,559 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 12:12:09,559 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 12:12:09,560 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 12:12:09,560 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 12:12:09,560 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 12:12:09,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 12:12:09,560 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 12:12:09,560 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 12:12:09,561 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 12:12:09,561 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 12:12:09,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 12:12:09,562 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 12:12:09,562 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 12:12:09,562 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 12:12:09,562 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 12:12:09,562 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e86102617f1813255879beda7bab492587801800e6506c4c5cd56fb9179f8713 [2021-12-21 12:12:09,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 12:12:09,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 12:12:09,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 12:12:09,757 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 12:12:09,757 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 12:12:09,758 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2c_update_all.i [2021-12-21 12:12:09,811 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17c2268fc/127e58fa0bbc41a5bf328bab93eb4428/FLAGc86f95246 [2021-12-21 12:12:10,209 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 12:12:10,209 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2c_update_all.i [2021-12-21 12:12:10,219 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17c2268fc/127e58fa0bbc41a5bf328bab93eb4428/FLAGc86f95246 [2021-12-21 12:12:10,228 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17c2268fc/127e58fa0bbc41a5bf328bab93eb4428 [2021-12-21 12:12:10,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 12:12:10,231 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 12:12:10,232 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 12:12:10,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 12:12:10,235 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 12:12:10,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 12:12:10" (1/1) ... [2021-12-21 12:12:10,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6150a7da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:12:10, skipping insertion in model container [2021-12-21 12:12:10,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 12:12:10" (1/1) ... [2021-12-21 12:12:10,241 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 12:12:10,270 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 12:12:10,487 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2c_update_all.i[24418,24431] [2021-12-21 12:12:10,491 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 12:12:10,499 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 12:12:10,538 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2c_update_all.i[24418,24431] [2021-12-21 12:12:10,552 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 12:12:10,571 INFO L208 MainTranslator]: Completed translation [2021-12-21 12:12:10,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:12:10 WrapperNode [2021-12-21 12:12:10,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 12:12:10,572 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 12:12:10,572 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 12:12:10,573 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 12:12:10,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:12:10" (1/1) ... [2021-12-21 12:12:10,587 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:12:10" (1/1) ... [2021-12-21 12:12:10,608 INFO L137 Inliner]: procedures = 126, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 127 [2021-12-21 12:12:10,608 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 12:12:10,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 12:12:10,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 12:12:10,609 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 12:12:10,614 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:12:10" (1/1) ... [2021-12-21 12:12:10,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:12:10" (1/1) ... [2021-12-21 12:12:10,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:12:10" (1/1) ... [2021-12-21 12:12:10,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:12:10" (1/1) ... [2021-12-21 12:12:10,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:12:10" (1/1) ... [2021-12-21 12:12:10,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:12:10" (1/1) ... [2021-12-21 12:12:10,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:12:10" (1/1) ... [2021-12-21 12:12:10,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 12:12:10,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 12:12:10,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 12:12:10,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 12:12:10,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:12:10" (1/1) ... [2021-12-21 12:12:10,648 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 12:12:10,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 12:12:10,662 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 12:12:10,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 12:12:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 12:12:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 12:12:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2021-12-21 12:12:10,685 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2021-12-21 12:12:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 12:12:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 12:12:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 12:12:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 12:12:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 12:12:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 12:12:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 12:12:10,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 12:12:10,765 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 12:12:10,768 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 12:12:10,957 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 12:12:10,961 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 12:12:10,962 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-21 12:12:10,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 12:12:10 BoogieIcfgContainer [2021-12-21 12:12:10,963 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 12:12:10,964 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 12:12:10,964 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 12:12:10,967 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 12:12:10,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 12:12:10" (1/3) ... [2021-12-21 12:12:10,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7efdb0cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 12:12:10, skipping insertion in model container [2021-12-21 12:12:10,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:12:10" (2/3) ... [2021-12-21 12:12:10,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7efdb0cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 12:12:10, skipping insertion in model container [2021-12-21 12:12:10,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 12:12:10" (3/3) ... [2021-12-21 12:12:10,969 INFO L111 eAbstractionObserver]: Analyzing ICFG sll2c_update_all.i [2021-12-21 12:12:10,972 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 12:12:10,972 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 12:12:11,028 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 12:12:11,034 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 12:12:11,036 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 12:12:11,053 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 32 states have (on average 1.5) internal successors, (48), 33 states have internal predecessors, (48), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-21 12:12:11,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-12-21 12:12:11,069 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:12:11,070 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:12:11,071 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:12:11,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:12:11,075 INFO L85 PathProgramCache]: Analyzing trace with hash 663980757, now seen corresponding path program 1 times [2021-12-21 12:12:11,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 12:12:11,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564628453] [2021-12-21 12:12:11,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:12:11,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 12:12:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:12:11,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 12:12:11,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:12:11,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 12:12:11,284 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 12:12:11,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564628453] [2021-12-21 12:12:11,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564628453] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 12:12:11,286 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 12:12:11,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 12:12:11,287 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721191824] [2021-12-21 12:12:11,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 12:12:11,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 12:12:11,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 12:12:11,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 12:12:11,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 12:12:11,311 INFO L87 Difference]: Start difference. First operand has 37 states, 32 states have (on average 1.5) internal successors, (48), 33 states have internal predecessors, (48), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-21 12:12:11,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 12:12:11,354 INFO L93 Difference]: Finished difference Result 61 states and 87 transitions. [2021-12-21 12:12:11,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 12:12:11,356 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2021-12-21 12:12:11,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 12:12:11,360 INFO L225 Difference]: With dead ends: 61 [2021-12-21 12:12:11,360 INFO L226 Difference]: Without dead ends: 28 [2021-12-21 12:12:11,363 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 12:12:11,366 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 0 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 12:12:11,367 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 12:12:11,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2021-12-21 12:12:11,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2021-12-21 12:12:11,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 24 states have internal predecessors, (29), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-21 12:12:11,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 33 transitions. [2021-12-21 12:12:11,390 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 33 transitions. Word has length 20 [2021-12-21 12:12:11,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 12:12:11,391 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 33 transitions. [2021-12-21 12:12:11,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-21 12:12:11,391 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2021-12-21 12:12:11,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-12-21 12:12:11,392 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:12:11,392 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:12:11,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 12:12:11,393 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:12:11,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:12:11,393 INFO L85 PathProgramCache]: Analyzing trace with hash 616475652, now seen corresponding path program 1 times [2021-12-21 12:12:11,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 12:12:11,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496646669] [2021-12-21 12:12:11,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:12:11,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 12:12:11,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:12:11,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 12:12:11,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:12:11,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 12:12:11,484 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 12:12:11,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496646669] [2021-12-21 12:12:11,484 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496646669] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 12:12:11,484 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 12:12:11,484 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 12:12:11,485 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630083802] [2021-12-21 12:12:11,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 12:12:11,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 12:12:11,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 12:12:11,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 12:12:11,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 12:12:11,486 INFO L87 Difference]: Start difference. First operand 28 states and 33 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-21 12:12:11,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 12:12:11,516 INFO L93 Difference]: Finished difference Result 47 states and 57 transitions. [2021-12-21 12:12:11,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 12:12:11,517 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2021-12-21 12:12:11,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 12:12:11,519 INFO L225 Difference]: With dead ends: 47 [2021-12-21 12:12:11,519 INFO L226 Difference]: Without dead ends: 31 [2021-12-21 12:12:11,522 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 12:12:11,524 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 1 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 12:12:11,525 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 79 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 12:12:11,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-12-21 12:12:11,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 29. [2021-12-21 12:12:11,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-21 12:12:11,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2021-12-21 12:12:11,539 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 34 transitions. Word has length 20 [2021-12-21 12:12:11,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 12:12:11,540 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 34 transitions. [2021-12-21 12:12:11,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-21 12:12:11,540 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2021-12-21 12:12:11,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-21 12:12:11,545 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:12:11,546 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:12:11,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 12:12:11,546 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:12:11,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:12:11,547 INFO L85 PathProgramCache]: Analyzing trace with hash -600691076, now seen corresponding path program 1 times [2021-12-21 12:12:11,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 12:12:11,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104638133] [2021-12-21 12:12:11,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:12:11,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 12:12:11,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:12:11,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 12:12:11,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:12:11,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 12:12:11,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:12:11,696 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-21 12:12:11,697 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 12:12:11,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104638133] [2021-12-21 12:12:11,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104638133] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 12:12:11,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [829761336] [2021-12-21 12:12:11,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:12:11,698 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 12:12:11,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 12:12:11,699 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 12:12:11,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-21 12:12:11,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:12:11,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-21 12:12:11,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 12:12:11,912 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-21 12:12:11,912 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 12:12:11,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [829761336] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 12:12:11,913 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 12:12:11,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2021-12-21 12:12:11,913 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114151034] [2021-12-21 12:12:11,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 12:12:11,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 12:12:11,914 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 12:12:11,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 12:12:11,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-21 12:12:11,915 INFO L87 Difference]: Start difference. First operand 29 states and 34 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-21 12:12:11,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 12:12:11,937 INFO L93 Difference]: Finished difference Result 51 states and 60 transitions. [2021-12-21 12:12:11,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 12:12:11,938 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2021-12-21 12:12:11,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 12:12:11,939 INFO L225 Difference]: With dead ends: 51 [2021-12-21 12:12:11,939 INFO L226 Difference]: Without dead ends: 42 [2021-12-21 12:12:11,940 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-21 12:12:11,941 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 44 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 12:12:11,941 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 51 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 12:12:11,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2021-12-21 12:12:11,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 30. [2021-12-21 12:12:11,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-21 12:12:11,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 35 transitions. [2021-12-21 12:12:11,947 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 35 transitions. Word has length 28 [2021-12-21 12:12:11,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 12:12:11,947 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 35 transitions. [2021-12-21 12:12:11,947 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-21 12:12:11,948 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2021-12-21 12:12:11,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-21 12:12:11,948 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:12:11,949 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:12:11,985 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-21 12:12:12,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 12:12:12,164 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:12:12,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:12:12,165 INFO L85 PathProgramCache]: Analyzing trace with hash -1948852891, now seen corresponding path program 1 times [2021-12-21 12:12:12,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 12:12:12,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529376152] [2021-12-21 12:12:12,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:12:12,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 12:12:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:12:12,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 12:12:12,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:12:12,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 12:12:12,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:12:12,360 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-21 12:12:12,361 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 12:12:12,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529376152] [2021-12-21 12:12:12,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529376152] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 12:12:12,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1960914636] [2021-12-21 12:12:12,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:12:12,362 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 12:12:12,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 12:12:12,363 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 12:12:12,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-21 12:12:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:12:12,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-21 12:12:12,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 12:12:12,607 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-21 12:12:12,608 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 12:12:12,694 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-21 12:12:12,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1960914636] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 12:12:12,697 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 12:12:12,698 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 10 [2021-12-21 12:12:12,698 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793877801] [2021-12-21 12:12:12,698 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 12:12:12,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-21 12:12:12,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 12:12:12,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-21 12:12:12,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-12-21 12:12:12,705 INFO L87 Difference]: Start difference. First operand 30 states and 35 transitions. Second operand has 10 states, 10 states have (on average 4.3) internal successors, (43), 9 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-21 12:12:12,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 12:12:12,817 INFO L93 Difference]: Finished difference Result 66 states and 78 transitions. [2021-12-21 12:12:12,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 12:12:12,817 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 9 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 33 [2021-12-21 12:12:12,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 12:12:12,818 INFO L225 Difference]: With dead ends: 66 [2021-12-21 12:12:12,819 INFO L226 Difference]: Without dead ends: 57 [2021-12-21 12:12:12,819 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2021-12-21 12:12:12,820 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 69 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 12:12:12,820 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [69 Valid, 152 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 12:12:12,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-12-21 12:12:12,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 35. [2021-12-21 12:12:12,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-21 12:12:12,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 41 transitions. [2021-12-21 12:12:12,826 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 41 transitions. Word has length 33 [2021-12-21 12:12:12,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 12:12:12,827 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 41 transitions. [2021-12-21 12:12:12,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 9 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-21 12:12:12,827 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2021-12-21 12:12:12,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-21 12:12:12,828 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:12:12,828 INFO L514 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, 1, 1, 1, 1, 1] [2021-12-21 12:12:12,857 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-21 12:12:13,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-12-21 12:12:13,055 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:12:13,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:12:13,056 INFO L85 PathProgramCache]: Analyzing trace with hash 2072516636, now seen corresponding path program 2 times [2021-12-21 12:12:13,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 12:12:13,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982505326] [2021-12-21 12:12:13,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:12:13,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 12:12:13,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:12:13,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 12:12:13,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:12:13,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 12:12:13,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:12:13,169 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-21 12:12:13,169 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 12:12:13,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982505326] [2021-12-21 12:12:13,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982505326] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 12:12:13,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [749419120] [2021-12-21 12:12:13,170 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-21 12:12:13,170 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 12:12:13,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 12:12:13,171 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 12:12:13,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-21 12:12:13,293 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-21 12:12:13,294 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-21 12:12:13,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-21 12:12:13,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 12:12:13,369 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-21 12:12:13,369 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 12:12:13,429 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-21 12:12:13,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [749419120] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 12:12:13,429 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 12:12:13,430 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 11 [2021-12-21 12:12:13,430 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796994411] [2021-12-21 12:12:13,430 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 12:12:13,430 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-21 12:12:13,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 12:12:13,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-21 12:12:13,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-12-21 12:12:13,432 INFO L87 Difference]: Start difference. First operand 35 states and 41 transitions. Second operand has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 10 states have internal predecessors, (49), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-21 12:12:13,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 12:12:13,594 INFO L93 Difference]: Finished difference Result 65 states and 78 transitions. [2021-12-21 12:12:13,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-21 12:12:13,596 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 10 states have internal predecessors, (49), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 38 [2021-12-21 12:12:13,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 12:12:13,597 INFO L225 Difference]: With dead ends: 65 [2021-12-21 12:12:13,597 INFO L226 Difference]: Without dead ends: 51 [2021-12-21 12:12:13,597 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 75 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2021-12-21 12:12:13,598 INFO L933 BasicCegarLoop]: 35 mSDtfsCounter, 85 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 12:12:13,598 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 206 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 12:12:13,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-12-21 12:12:13,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 36. [2021-12-21 12:12:13,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 32 states have (on average 1.1875) internal successors, (38), 32 states have internal predecessors, (38), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-21 12:12:13,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 42 transitions. [2021-12-21 12:12:13,605 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 42 transitions. Word has length 38 [2021-12-21 12:12:13,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 12:12:13,606 INFO L470 AbstractCegarLoop]: Abstraction has 36 states and 42 transitions. [2021-12-21 12:12:13,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 10 states have internal predecessors, (49), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-21 12:12:13,606 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2021-12-21 12:12:13,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-12-21 12:12:13,607 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:12:13,607 INFO L514 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, 1, 1, 1, 1, 1, 1] [2021-12-21 12:12:13,635 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-21 12:12:13,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 12:12:13,825 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:12:13,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:12:13,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1973765418, now seen corresponding path program 1 times [2021-12-21 12:12:13,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 12:12:13,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397637723] [2021-12-21 12:12:13,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:12:13,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 12:12:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:12:14,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 12:12:14,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:12:14,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 12:12:14,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:12:14,392 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-21 12:12:14,393 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 12:12:14,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397637723] [2021-12-21 12:12:14,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397637723] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 12:12:14,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1754828424] [2021-12-21 12:12:14,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:12:14,393 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 12:12:14,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 12:12:14,395 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 12:12:14,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-21 12:12:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:12:14,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 100 conjunts are in the unsatisfiable core [2021-12-21 12:12:14,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 12:12:14,583 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-21 12:12:14,731 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-21 12:12:14,732 INFO L387 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 11 [2021-12-21 12:12:14,774 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-21 12:12:14,838 INFO L353 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-12-21 12:12:14,839 INFO L387 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 19 treesize of output 22 [2021-12-21 12:12:15,018 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-21 12:12:15,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 12:12:15,026 INFO L387 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 22 treesize of output 21 [2021-12-21 12:12:15,169 INFO L387 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 16 treesize of output 8 [2021-12-21 12:12:15,241 INFO L387 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 16 treesize of output 18 [2021-12-21 12:12:15,429 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-12-21 12:12:15,493 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 12:12:15,493 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 12:12:15,658 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_514 (Array Int Int))) (<= |c_ULTIMATE.start_main_~len~0#1| (select (select (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_update_at_~head#1.base| v_ArrVal_514) |c_ULTIMATE.start_main_~s~0#1.base|) (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4)))) (forall ((v_ArrVal_514 (Array Int Int))) (<= (select (select (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_update_at_~head#1.base| v_ArrVal_514) |c_ULTIMATE.start_main_~s~0#1.base|) (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4)) |c_ULTIMATE.start_main_~len~0#1|))) is different from false [2021-12-21 12:12:15,704 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_514 (Array Int Int))) (<= |c_ULTIMATE.start_main_~len~0#1| (select (select (store |c_#memory_int| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_update_at_~head#1.base|) |c_ULTIMATE.start_sll_circular_update_at_~head#1.offset|) v_ArrVal_514) |c_ULTIMATE.start_main_~s~0#1.base|) (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4)))) (forall ((v_ArrVal_514 (Array Int Int))) (<= (select (select (store |c_#memory_int| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_update_at_~head#1.base|) |c_ULTIMATE.start_sll_circular_update_at_~head#1.offset|) v_ArrVal_514) |c_ULTIMATE.start_main_~s~0#1.base|) (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4)) |c_ULTIMATE.start_main_~len~0#1|))) is different from false [2021-12-21 12:12:15,716 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_514 (Array Int Int))) (<= (select (select (store |c_#memory_int| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) v_ArrVal_514) |c_ULTIMATE.start_main_~s~0#1.base|) (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4)) |c_ULTIMATE.start_main_~len~0#1|)) (forall ((v_ArrVal_514 (Array Int Int))) (<= |c_ULTIMATE.start_main_~len~0#1| (select (select (store |c_#memory_int| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) v_ArrVal_514) |c_ULTIMATE.start_main_~s~0#1.base|) (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4))))) is different from false [2021-12-21 12:12:15,755 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-21 12:12:15,756 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 37 [2021-12-21 12:12:15,780 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-21 12:12:15,781 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 67 [2021-12-21 12:12:15,786 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2021-12-21 12:12:15,844 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-21 12:12:15,844 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 37 [2021-12-21 12:12:15,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 12:12:15,850 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 52 [2021-12-21 12:12:15,854 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2021-12-21 12:12:16,056 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_510 Int) (v_ArrVal_508 (Array Int Int))) (not (= (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_508) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (+ |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset| 4) v_ArrVal_510) |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset|) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|))) is different from false [2021-12-21 12:12:16,075 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-21 12:12:16,075 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 25 [2021-12-21 12:12:16,080 INFO L387 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 43 treesize of output 39 [2021-12-21 12:12:16,082 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 48 [2021-12-21 12:12:16,086 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 22 [2021-12-21 12:12:16,468 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 9 not checked. [2021-12-21 12:12:16,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1754828424] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 12:12:16,469 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 12:12:16,469 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 22] total 57 [2021-12-21 12:12:16,469 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654997842] [2021-12-21 12:12:16,469 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 12:12:16,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2021-12-21 12:12:16,469 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 12:12:16,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-12-21 12:12:16,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=2577, Unknown=4, NotChecked=420, Total=3192 [2021-12-21 12:12:16,471 INFO L87 Difference]: Start difference. First operand 36 states and 42 transitions. Second operand has 57 states, 56 states have (on average 1.6071428571428572) internal successors, (90), 48 states have internal predecessors, (90), 5 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2021-12-21 12:12:17,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 12:12:17,566 INFO L93 Difference]: Finished difference Result 84 states and 101 transitions. [2021-12-21 12:12:17,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-12-21 12:12:17,567 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 56 states have (on average 1.6071428571428572) internal successors, (90), 48 states have internal predecessors, (90), 5 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) Word has length 39 [2021-12-21 12:12:17,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 12:12:17,568 INFO L225 Difference]: With dead ends: 84 [2021-12-21 12:12:17,568 INFO L226 Difference]: Without dead ends: 82 [2021-12-21 12:12:17,570 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 42 SyntacticMatches, 9 SemanticMatches, 69 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 1088 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=369, Invalid=4065, Unknown=4, NotChecked=532, Total=4970 [2021-12-21 12:12:17,570 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 122 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 697 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 1066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 327 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-21 12:12:17,570 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 591 Invalid, 1066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 697 Invalid, 0 Unknown, 327 Unchecked, 0.4s Time] [2021-12-21 12:12:17,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2021-12-21 12:12:17,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 59. [2021-12-21 12:12:17,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 54 states have (on average 1.2037037037037037) internal successors, (65), 54 states have internal predecessors, (65), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-21 12:12:17,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 71 transitions. [2021-12-21 12:12:17,586 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 71 transitions. Word has length 39 [2021-12-21 12:12:17,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 12:12:17,586 INFO L470 AbstractCegarLoop]: Abstraction has 59 states and 71 transitions. [2021-12-21 12:12:17,586 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 56 states have (on average 1.6071428571428572) internal successors, (90), 48 states have internal predecessors, (90), 5 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2021-12-21 12:12:17,586 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2021-12-21 12:12:17,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-12-21 12:12:17,587 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:12:17,587 INFO L514 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, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:12:17,615 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-21 12:12:17,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 12:12:17,805 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:12:17,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:12:17,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1005531927, now seen corresponding path program 1 times [2021-12-21 12:12:17,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 12:12:17,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916577800] [2021-12-21 12:12:17,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:12:17,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 12:12:17,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:12:17,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 12:12:17,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:12:17,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 12:12:17,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:12:17,864 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-21 12:12:17,864 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 12:12:17,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916577800] [2021-12-21 12:12:17,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916577800] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 12:12:17,864 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 12:12:17,864 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 12:12:17,864 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63193747] [2021-12-21 12:12:17,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 12:12:17,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 12:12:17,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 12:12:17,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 12:12:17,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 12:12:17,866 INFO L87 Difference]: Start difference. First operand 59 states and 71 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-21 12:12:17,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 12:12:17,899 INFO L93 Difference]: Finished difference Result 76 states and 90 transitions. [2021-12-21 12:12:17,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-21 12:12:17,899 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 40 [2021-12-21 12:12:17,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 12:12:17,900 INFO L225 Difference]: With dead ends: 76 [2021-12-21 12:12:17,900 INFO L226 Difference]: Without dead ends: 68 [2021-12-21 12:12:17,900 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 12:12:17,901 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 18 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 12:12:17,901 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 97 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 12:12:17,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-12-21 12:12:17,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 61. [2021-12-21 12:12:17,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 56 states have (on average 1.1785714285714286) internal successors, (66), 56 states have internal predecessors, (66), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-21 12:12:17,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 72 transitions. [2021-12-21 12:12:17,909 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 72 transitions. Word has length 40 [2021-12-21 12:12:17,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 12:12:17,909 INFO L470 AbstractCegarLoop]: Abstraction has 61 states and 72 transitions. [2021-12-21 12:12:17,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-21 12:12:17,910 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 72 transitions. [2021-12-21 12:12:17,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-12-21 12:12:17,910 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:12:17,910 INFO L514 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, 1, 1, 1, 1, 1, 1] [2021-12-21 12:12:17,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-21 12:12:17,911 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:12:17,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:12:17,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1440509788, now seen corresponding path program 2 times [2021-12-21 12:12:17,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 12:12:17,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974470328] [2021-12-21 12:12:17,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:12:17,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 12:12:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:12:17,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 12:12:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:12:17,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 12:12:17,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:12:17,973 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-21 12:12:17,974 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 12:12:17,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974470328] [2021-12-21 12:12:17,974 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974470328] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 12:12:17,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1134207928] [2021-12-21 12:12:17,974 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-21 12:12:17,974 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 12:12:17,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 12:12:17,975 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 12:12:17,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-21 12:12:18,082 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-21 12:12:18,082 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-21 12:12:18,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-21 12:12:18,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 12:12:18,155 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-21 12:12:18,155 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 12:12:18,208 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-21 12:12:18,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1134207928] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 12:12:18,208 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 12:12:18,209 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 9 [2021-12-21 12:12:18,209 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156106771] [2021-12-21 12:12:18,209 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 12:12:18,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-21 12:12:18,209 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 12:12:18,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-21 12:12:18,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-21 12:12:18,210 INFO L87 Difference]: Start difference. First operand 61 states and 72 transitions. Second operand has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 8 states have internal predecessors, (41), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-21 12:12:18,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 12:12:18,273 INFO L93 Difference]: Finished difference Result 102 states and 119 transitions. [2021-12-21 12:12:18,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 12:12:18,274 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 8 states have internal predecessors, (41), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 40 [2021-12-21 12:12:18,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 12:12:18,274 INFO L225 Difference]: With dead ends: 102 [2021-12-21 12:12:18,274 INFO L226 Difference]: Without dead ends: 80 [2021-12-21 12:12:18,275 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 80 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-12-21 12:12:18,275 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 55 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 12:12:18,275 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [55 Valid, 169 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 12:12:18,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-12-21 12:12:18,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 63. [2021-12-21 12:12:18,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 58 states have (on average 1.1206896551724137) internal successors, (65), 58 states have internal predecessors, (65), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-21 12:12:18,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 71 transitions. [2021-12-21 12:12:18,283 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 71 transitions. Word has length 40 [2021-12-21 12:12:18,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 12:12:18,283 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 71 transitions. [2021-12-21 12:12:18,283 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 8 states have internal predecessors, (41), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-21 12:12:18,283 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions. [2021-12-21 12:12:18,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-12-21 12:12:18,284 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:12:18,284 INFO L514 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, 1, 1, 1, 1, 1, 1] [2021-12-21 12:12:18,304 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-21 12:12:18,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 12:12:18,499 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:12:18,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:12:18,500 INFO L85 PathProgramCache]: Analyzing trace with hash 896238913, now seen corresponding path program 1 times [2021-12-21 12:12:18,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 12:12:18,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590921142] [2021-12-21 12:12:18,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:12:18,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 12:12:18,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:12:18,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 12:12:18,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:12:18,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 12:12:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:12:18,546 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-21 12:12:18,546 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 12:12:18,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590921142] [2021-12-21 12:12:18,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590921142] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 12:12:18,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963968826] [2021-12-21 12:12:18,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:12:18,546 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 12:12:18,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 12:12:18,547 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 12:12:18,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-21 12:12:18,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:12:18,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-21 12:12:18,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 12:12:18,703 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-21 12:12:18,703 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 12:12:18,746 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-21 12:12:18,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [963968826] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 12:12:18,747 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 12:12:18,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 7 [2021-12-21 12:12:18,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784798285] [2021-12-21 12:12:18,747 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 12:12:18,747 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 12:12:18,747 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 12:12:18,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 12:12:18,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-21 12:12:18,748 INFO L87 Difference]: Start difference. First operand 63 states and 71 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-21 12:12:18,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 12:12:18,789 INFO L93 Difference]: Finished difference Result 78 states and 88 transitions. [2021-12-21 12:12:18,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-21 12:12:18,789 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 45 [2021-12-21 12:12:18,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 12:12:18,790 INFO L225 Difference]: With dead ends: 78 [2021-12-21 12:12:18,790 INFO L226 Difference]: Without dead ends: 70 [2021-12-21 12:12:18,790 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 91 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-12-21 12:12:18,790 INFO L933 BasicCegarLoop]: 35 mSDtfsCounter, 35 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 12:12:18,790 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 124 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 12:12:18,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2021-12-21 12:12:18,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 64. [2021-12-21 12:12:18,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 59 states have (on average 1.11864406779661) internal successors, (66), 59 states have internal predecessors, (66), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-21 12:12:18,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 72 transitions. [2021-12-21 12:12:18,797 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 72 transitions. Word has length 45 [2021-12-21 12:12:18,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 12:12:18,797 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 72 transitions. [2021-12-21 12:12:18,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-21 12:12:18,797 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 72 transitions. [2021-12-21 12:12:18,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-12-21 12:12:18,797 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:12:18,798 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:12:18,815 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-21 12:12:19,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 12:12:19,017 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:12:19,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:12:19,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1969553287, now seen corresponding path program 3 times [2021-12-21 12:12:19,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 12:12:19,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369021174] [2021-12-21 12:12:19,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:12:19,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 12:12:19,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:12:19,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 12:12:19,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:12:19,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 12:12:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:12:19,093 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 16 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-21 12:12:19,093 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 12:12:19,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369021174] [2021-12-21 12:12:19,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369021174] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 12:12:19,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [669748300] [2021-12-21 12:12:19,094 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-21 12:12:19,094 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 12:12:19,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 12:12:19,095 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 12:12:19,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-21 12:12:19,326 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-12-21 12:12:19,326 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-21 12:12:19,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-21 12:12:19,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 12:12:19,422 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-21 12:12:19,422 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 12:12:19,495 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-21 12:12:19,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [669748300] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 12:12:19,495 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 12:12:19,495 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 13 [2021-12-21 12:12:19,495 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388198801] [2021-12-21 12:12:19,495 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 12:12:19,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-21 12:12:19,495 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 12:12:19,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-21 12:12:19,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-12-21 12:12:19,496 INFO L87 Difference]: Start difference. First operand 64 states and 72 transitions. Second operand has 13 states, 13 states have (on average 4.538461538461538) internal successors, (59), 12 states have internal predecessors, (59), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-21 12:12:19,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 12:12:19,606 INFO L93 Difference]: Finished difference Result 87 states and 97 transitions. [2021-12-21 12:12:19,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 12:12:19,606 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.538461538461538) internal successors, (59), 12 states have internal predecessors, (59), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 45 [2021-12-21 12:12:19,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 12:12:19,607 INFO L225 Difference]: With dead ends: 87 [2021-12-21 12:12:19,607 INFO L226 Difference]: Without dead ends: 67 [2021-12-21 12:12:19,607 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2021-12-21 12:12:19,607 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 70 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 12:12:19,608 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 226 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 12:12:19,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-12-21 12:12:19,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 65. [2021-12-21 12:12:19,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 60 states have (on average 1.0666666666666667) internal successors, (64), 60 states have internal predecessors, (64), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-21 12:12:19,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 70 transitions. [2021-12-21 12:12:19,614 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 70 transitions. Word has length 45 [2021-12-21 12:12:19,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 12:12:19,614 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 70 transitions. [2021-12-21 12:12:19,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.538461538461538) internal successors, (59), 12 states have internal predecessors, (59), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-21 12:12:19,614 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 70 transitions. [2021-12-21 12:12:19,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-12-21 12:12:19,615 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:12:19,615 INFO L514 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, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:12:19,635 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-12-21 12:12:19,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 12:12:19,831 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:12:19,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:12:19,832 INFO L85 PathProgramCache]: Analyzing trace with hash 2065256414, now seen corresponding path program 1 times [2021-12-21 12:12:19,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 12:12:19,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311180954] [2021-12-21 12:12:19,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:12:19,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 12:12:19,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:12:20,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 12:12:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:12:20,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 12:12:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:12:20,457 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-21 12:12:20,457 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 12:12:20,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311180954] [2021-12-21 12:12:20,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311180954] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 12:12:20,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1010864666] [2021-12-21 12:12:20,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:12:20,457 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 12:12:20,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 12:12:20,458 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 12:12:20,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-21 12:12:20,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:12:20,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 105 conjunts are in the unsatisfiable core [2021-12-21 12:12:20,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 12:12:20,586 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-21 12:12:20,770 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-21 12:12:20,771 INFO L387 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 11 [2021-12-21 12:12:20,810 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-21 12:12:20,853 INFO L353 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-12-21 12:12:20,853 INFO L387 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 19 treesize of output 22 [2021-12-21 12:12:20,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 12:12:20,980 INFO L387 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 22 treesize of output 21 [2021-12-21 12:12:21,175 INFO L353 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-12-21 12:12:21,175 INFO L387 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 56 treesize of output 53 [2021-12-21 12:12:21,178 INFO L387 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 27 treesize of output 19 [2021-12-21 12:12:21,180 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-12-21 12:12:21,456 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2021-12-21 12:12:21,459 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-12-21 12:12:21,485 INFO L387 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 28 treesize of output 10 [2021-12-21 12:12:21,513 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 12:12:21,513 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 12:12:21,788 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 64 [2021-12-21 12:12:21,817 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 64 [2021-12-21 12:12:21,833 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_ULTIMATE.start_main_~len~0#1| 1))) (and (<= .cse0 |c_ULTIMATE.start_sll_circular_update_at_~data#1|) (<= |c_ULTIMATE.start_sll_circular_update_at_~data#1| .cse0) (forall ((v_ArrVal_1087 (Array Int Int))) (= (+ |c_ULTIMATE.start_sll_circular_update_at_~head#1.offset| 4) (+ 4 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_update_at_~head#1.base| v_ArrVal_1087) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|)))) (forall ((v_ArrVal_1088 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_update_at_~head#1.base| v_ArrVal_1088) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) |c_ULTIMATE.start_sll_circular_update_at_~head#1.base|)))) is different from false [2021-12-21 12:12:21,861 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-21 12:12:21,861 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 45 [2021-12-21 12:12:21,874 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2021-12-21 12:12:22,438 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_sll_circular_update_at_~head#1.offset_25| Int)) (or (and (<= |c_ULTIMATE.start_main_~i~0#1| 0) (<= 0 |c_ULTIMATE.start_main_~i~0#1|) (forall ((v_ArrVal_1085 Int)) (not (= (select (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~s~0#1.base|) (+ |v_ULTIMATE.start_sll_circular_update_at_~head#1.offset_25| 4) v_ArrVal_1085) |c_ULTIMATE.start_main_~s~0#1.offset|) |c_ULTIMATE.start_main_~s~0#1.base|)))) (< |v_ULTIMATE.start_sll_circular_update_at_~head#1.offset_25| |c_ULTIMATE.start_main_~s~0#1.offset|))) is different from false [2021-12-21 12:12:24,451 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_sll_circular_update_at_~head#1.offset_25| Int)) (or (forall ((v_ArrVal_1085 Int)) (not (= |c_ULTIMATE.start_sll_circular_create_#res#1.base| (select (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_create_#res#1.base|) (+ |v_ULTIMATE.start_sll_circular_update_at_~head#1.offset_25| 4) v_ArrVal_1085) |c_ULTIMATE.start_sll_circular_create_#res#1.offset|)))) (< |v_ULTIMATE.start_sll_circular_update_at_~head#1.offset_25| |c_ULTIMATE.start_sll_circular_create_#res#1.offset|))) is different from false [2021-12-21 12:12:24,471 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1085 Int) (|v_ULTIMATE.start_sll_circular_update_at_~head#1.offset_25| Int) (v_ArrVal_1083 (Array Int Int))) (or (< |v_ULTIMATE.start_sll_circular_update_at_~head#1.offset_25| |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset|) (not (= |c_ULTIMATE.start_sll_circular_create_~head~0#1.base| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_1083) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (+ |v_ULTIMATE.start_sll_circular_update_at_~head#1.offset_25| 4) v_ArrVal_1085) |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset|))))) is different from false [2021-12-21 12:12:24,494 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-21 12:12:24,494 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 25 [2021-12-21 12:12:24,497 INFO L387 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 43 treesize of output 39 [2021-12-21 12:12:24,499 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:12:24,501 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2021-12-21 12:12:24,511 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:12:24,512 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2021-12-21 12:12:24,944 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 6 not checked. [2021-12-21 12:12:24,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1010864666] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 12:12:24,945 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 12:12:24,945 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 24, 25] total 63 [2021-12-21 12:12:24,945 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535210757] [2021-12-21 12:12:24,945 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 12:12:24,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2021-12-21 12:12:24,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 12:12:24,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-12-21 12:12:24,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=3249, Unknown=4, NotChecked=468, Total=3906 [2021-12-21 12:12:24,948 INFO L87 Difference]: Start difference. First operand 65 states and 70 transitions. Second operand has 63 states, 63 states have (on average 1.7301587301587302) internal successors, (109), 54 states have internal predecessors, (109), 4 states have call successors, (5), 4 states have call predecessors, (5), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2021-12-21 12:12:25,576 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset|))) (and (not (= |c_ULTIMATE.start_sll_circular_create_~head~0#1.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base|)) (= |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| .cse0) (<= |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset| 0) (not (= |c_ULTIMATE.start_sll_circular_create_~head~0#1.base| .cse0)) (<= 0 |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset|) (forall ((v_ArrVal_1085 Int) (|v_ULTIMATE.start_sll_circular_update_at_~head#1.offset_25| Int) (v_ArrVal_1083 (Array Int Int))) (or (< |v_ULTIMATE.start_sll_circular_update_at_~head#1.offset_25| |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset|) (not (= |c_ULTIMATE.start_sll_circular_create_~head~0#1.base| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_create_~last~0#1.base| v_ArrVal_1083) |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) (+ |v_ULTIMATE.start_sll_circular_update_at_~head#1.offset_25| 4) v_ArrVal_1085) |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset|))))) (= (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset|) 0) (= |c_ULTIMATE.start_sll_circular_create_~head~0#1.offset| 0))) is different from false [2021-12-21 12:12:25,880 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_sll_circular_create_#res#1.offset| 0) (not (= |c_ULTIMATE.start_sll_circular_create_#res#1.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_create_#res#1.base|) |c_ULTIMATE.start_sll_circular_create_#res#1.offset|))) (= (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_create_#res#1.base|) |c_ULTIMATE.start_sll_circular_create_#res#1.offset|) 0) (forall ((|v_ULTIMATE.start_sll_circular_update_at_~head#1.offset_25| Int)) (or (forall ((v_ArrVal_1085 Int)) (not (= |c_ULTIMATE.start_sll_circular_create_#res#1.base| (select (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_create_#res#1.base|) (+ |v_ULTIMATE.start_sll_circular_update_at_~head#1.offset_25| 4) v_ArrVal_1085) |c_ULTIMATE.start_sll_circular_create_#res#1.offset|)))) (< |v_ULTIMATE.start_sll_circular_update_at_~head#1.offset_25| |c_ULTIMATE.start_sll_circular_create_#res#1.offset|)))) is different from false [2021-12-21 12:12:26,211 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_ULTIMATE.start_sll_circular_update_at_~head#1.offset_25| Int)) (or (and (<= |c_ULTIMATE.start_main_~i~0#1| 0) (<= 0 |c_ULTIMATE.start_main_~i~0#1|) (forall ((v_ArrVal_1085 Int)) (not (= (select (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~s~0#1.base|) (+ |v_ULTIMATE.start_sll_circular_update_at_~head#1.offset_25| 4) v_ArrVal_1085) |c_ULTIMATE.start_main_~s~0#1.offset|) |c_ULTIMATE.start_main_~s~0#1.base|)))) (< |v_ULTIMATE.start_sll_circular_update_at_~head#1.offset_25| |c_ULTIMATE.start_main_~s~0#1.offset|))) (= |c_ULTIMATE.start_main_~i~0#1| 0) (= |c_ULTIMATE.start_main_~s~0#1.offset| 0) (= (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) 0) (not (= |c_ULTIMATE.start_main_~s~0#1.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|)))) is different from false [2021-12-21 12:12:27,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 12:12:27,100 INFO L93 Difference]: Finished difference Result 80 states and 85 transitions. [2021-12-21 12:12:27,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-21 12:12:27,101 INFO L78 Accepts]: Start accepts. Automaton has has 63 states, 63 states have (on average 1.7301587301587302) internal successors, (109), 54 states have internal predecessors, (109), 4 states have call successors, (5), 4 states have call predecessors, (5), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) Word has length 46 [2021-12-21 12:12:27,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 12:12:27,101 INFO L225 Difference]: With dead ends: 80 [2021-12-21 12:12:27,101 INFO L226 Difference]: Without dead ends: 75 [2021-12-21 12:12:27,103 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 51 SyntacticMatches, 7 SemanticMatches, 77 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 866 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=346, Invalid=4787, Unknown=7, NotChecked=1022, Total=6162 [2021-12-21 12:12:27,103 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 100 mSDsluCounter, 578 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 186 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-21 12:12:27,103 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 597 Invalid, 964 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 752 Invalid, 0 Unknown, 186 Unchecked, 0.4s Time] [2021-12-21 12:12:27,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-12-21 12:12:27,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 68. [2021-12-21 12:12:27,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 63 states have (on average 1.0634920634920635) internal successors, (67), 63 states have internal predecessors, (67), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-21 12:12:27,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 73 transitions. [2021-12-21 12:12:27,110 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 73 transitions. Word has length 46 [2021-12-21 12:12:27,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 12:12:27,111 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 73 transitions. [2021-12-21 12:12:27,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 1.7301587301587302) internal successors, (109), 54 states have internal predecessors, (109), 4 states have call successors, (5), 4 states have call predecessors, (5), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2021-12-21 12:12:27,111 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 73 transitions. [2021-12-21 12:12:27,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-12-21 12:12:27,112 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:12:27,112 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:12:27,131 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-12-21 12:12:27,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-12-21 12:12:27,328 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:12:27,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:12:27,328 INFO L85 PathProgramCache]: Analyzing trace with hash -2101316258, now seen corresponding path program 4 times [2021-12-21 12:12:27,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 12:12:27,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25679141] [2021-12-21 12:12:27,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:12:27,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 12:12:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:12:27,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 12:12:27,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:12:27,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 12:12:27,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:12:27,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 12:12:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:12:27,379 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-12-21 12:12:27,379 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 12:12:27,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25679141] [2021-12-21 12:12:27,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25679141] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 12:12:27,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [935621718] [2021-12-21 12:12:27,380 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-21 12:12:27,380 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 12:12:27,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 12:12:27,392 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 12:12:27,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-21 12:12:27,521 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-21 12:12:27,522 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-21 12:12:27,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-21 12:12:27,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 12:12:27,577 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-12-21 12:12:27,578 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 12:12:27,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [935621718] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 12:12:27,578 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 12:12:27,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2021-12-21 12:12:27,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964045456] [2021-12-21 12:12:27,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 12:12:27,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 12:12:27,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 12:12:27,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 12:12:27,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 12:12:27,579 INFO L87 Difference]: Start difference. First operand 68 states and 73 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-21 12:12:27,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 12:12:27,592 INFO L93 Difference]: Finished difference Result 80 states and 84 transitions. [2021-12-21 12:12:27,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 12:12:27,593 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 47 [2021-12-21 12:12:27,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 12:12:27,593 INFO L225 Difference]: With dead ends: 80 [2021-12-21 12:12:27,593 INFO L226 Difference]: Without dead ends: 43 [2021-12-21 12:12:27,594 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 12:12:27,594 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 20 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 12:12:27,594 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 45 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 12:12:27,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-12-21 12:12:27,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-12-21 12:12:27,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 39 states have (on average 1.0256410256410255) internal successors, (40), 39 states have internal predecessors, (40), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-21 12:12:27,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 44 transitions. [2021-12-21 12:12:27,601 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 44 transitions. Word has length 47 [2021-12-21 12:12:27,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 12:12:27,601 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 44 transitions. [2021-12-21 12:12:27,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-21 12:12:27,602 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2021-12-21 12:12:27,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-12-21 12:12:27,602 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:12:27,602 INFO L514 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, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:12:27,623 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-12-21 12:12:27,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 12:12:27,811 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:12:27,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:12:27,812 INFO L85 PathProgramCache]: Analyzing trace with hash -349906719, now seen corresponding path program 2 times [2021-12-21 12:12:27,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 12:12:27,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438575118] [2021-12-21 12:12:27,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:12:27,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 12:12:27,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:12:27,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 12:12:27,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:12:27,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 12:12:27,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:12:27,867 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-21 12:12:27,867 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 12:12:27,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438575118] [2021-12-21 12:12:27,868 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438575118] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 12:12:27,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346176377] [2021-12-21 12:12:27,868 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-21 12:12:27,868 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 12:12:27,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 12:12:27,869 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 12:12:27,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-21 12:12:28,015 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-21 12:12:28,015 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-21 12:12:28,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-21 12:12:28,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 12:12:28,079 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-21 12:12:28,080 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 12:12:28,139 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-21 12:12:28,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [346176377] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 12:12:28,139 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 12:12:28,139 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 8 [2021-12-21 12:12:28,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252682150] [2021-12-21 12:12:28,139 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 12:12:28,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-21 12:12:28,140 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 12:12:28,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-21 12:12:28,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-21 12:12:28,140 INFO L87 Difference]: Start difference. First operand 43 states and 44 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 7 states have internal predecessors, (57), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-21 12:12:28,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 12:12:28,200 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2021-12-21 12:12:28,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 12:12:28,200 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 7 states have internal predecessors, (57), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 47 [2021-12-21 12:12:28,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 12:12:28,201 INFO L225 Difference]: With dead ends: 43 [2021-12-21 12:12:28,201 INFO L226 Difference]: Without dead ends: 0 [2021-12-21 12:12:28,201 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 95 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2021-12-21 12:12:28,201 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 26 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 12:12:28,202 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 80 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 12:12:28,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-21 12:12:28,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-21 12:12:28,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 12:12:28,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-21 12:12:28,202 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 47 [2021-12-21 12:12:28,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 12:12:28,202 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 12:12:28,202 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 7 states have internal predecessors, (57), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-21 12:12:28,202 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-21 12:12:28,202 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-21 12:12:28,205 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-21 12:12:28,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-12-21 12:12:28,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-12-21 12:12:28,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-21 12:12:38,014 WARN L227 SmtUtils]: Spent 8.45s on a formula simplification. DAG size of input: 42 DAG size of output: 30 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-12-21 12:12:58,034 WARN L227 SmtUtils]: Spent 15.78s on a formula simplification. DAG size of input: 86 DAG size of output: 81 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-12-21 12:12:58,037 INFO L861 garLoopResultBuilder]: At program point L638(lines 620 639) the Hoare annotation is: true [2021-12-21 12:12:58,038 INFO L854 garLoopResultBuilder]: At program point L614-2(lines 614 617) the Hoare annotation is: (let ((.cse3 (= |ULTIMATE.start_sll_circular_create_~head~0#1.offset| 0)) (.cse4 (= |ULTIMATE.start_main_~s~0#1.offset| |ULTIMATE.start_sll_circular_update_at_~head#1.offset|)) (.cse10 (not (= |ULTIMATE.start_sll_circular_create_~head~0#1.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|))) (.cse11 (= |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_sll_circular_update_at_~index#1|)) (.cse13 (not (= |ULTIMATE.start_sll_circular_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~head~0#1.base|) |ULTIMATE.start_sll_circular_create_~head~0#1.offset|)))) (.cse1 (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_update_at_~head#1.base|)) (.cse0 (<= 0 |ULTIMATE.start_main_~s~0#1.offset|)) (.cse6 (= (+ |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_sll_circular_update_at_~data#1|)) (.cse7 (<= |ULTIMATE.start_sll_circular_create_~len#1| 1)) (.cse5 (+ |ULTIMATE.start_main_~len~0#1| 1)) (.cse8 (= |ULTIMATE.start_main_~len~0#1| 2)) (.cse9 (= |ULTIMATE.start_main_~len~0#1| (select (select |#memory_int| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (.cse2 (= |ULTIMATE.start_sll_circular_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|)) (.cse12 (<= |ULTIMATE.start_main_~s~0#1.offset| 0))) (or (and .cse0 (= (select .cse1 |ULTIMATE.start_sll_circular_update_at_~head#1.offset|) 0) .cse2 .cse3 (forall ((v_ArrVal_514 (Array Int Int))) (<= |ULTIMATE.start_main_~len~0#1| (select (select (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_update_at_~head#1.base|) |ULTIMATE.start_sll_circular_update_at_~head#1.offset|) v_ArrVal_514) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) .cse4 (= .cse5 |ULTIMATE.start_sll_circular_update_at_~data#1|) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse2 .cse3 (<= |ULTIMATE.start_sll_circular_create_#res#1.offset| 0) (not (= |ULTIMATE.start_sll_circular_update_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_update_at_~head#1.base|) |ULTIMATE.start_main_~s~0#1.offset|))) .cse4 (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_#res#1.base|) |ULTIMATE.start_sll_circular_create_#res#1.offset|) |ULTIMATE.start_sll_circular_create_#res#1.base|)) .cse6 .cse7 (= |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_sll_circular_update_at_~data#1|) .cse8 .cse10 (<= 0 |ULTIMATE.start_sll_circular_create_#res#1.offset|) .cse11 .cse13 (= (select .cse1 |ULTIMATE.start_main_~s~0#1.offset|) 0) (= |ULTIMATE.start_main_~s~0#1.offset| 0)) (and .cse0 (forall ((v_ArrVal_1087 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_update_at_~head#1.base| v_ArrVal_1087) |ULTIMATE.start_main_~s~0#1.base|) |ULTIMATE.start_main_~s~0#1.offset|) |ULTIMATE.start_sll_circular_update_at_~head#1.offset|)) (<= (+ |ULTIMATE.start_main_~i~0#1| 1) |ULTIMATE.start_main_~len~0#1|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) |ULTIMATE.start_main_~s~0#1.offset|) 0) .cse6 (<= |ULTIMATE.start_sll_circular_update_at_~index#1| 0) .cse7 (<= .cse5 |ULTIMATE.start_sll_circular_update_at_~data#1|) (forall ((v_ArrVal_1088 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_update_at_~head#1.base| v_ArrVal_1088) |ULTIMATE.start_main_~s~0#1.base|) |ULTIMATE.start_main_~s~0#1.offset|) |ULTIMATE.start_sll_circular_update_at_~head#1.base|)) .cse8 .cse9 (not .cse2) .cse12))) [2021-12-21 12:12:58,038 INFO L858 garLoopResultBuilder]: For program point L614-3(lines 614 617) no Hoare annotation was computed. [2021-12-21 12:12:58,038 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-21 12:12:58,038 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-21 12:12:58,038 INFO L858 garLoopResultBuilder]: For program point L631(lines 631 633) no Hoare annotation was computed. [2021-12-21 12:12:58,038 INFO L861 garLoopResultBuilder]: At program point L598-2(lines 598 602) the Hoare annotation is: true [2021-12-21 12:12:58,038 INFO L858 garLoopResultBuilder]: For program point L598-3(lines 598 602) no Hoare annotation was computed. [2021-12-21 12:12:58,038 INFO L854 garLoopResultBuilder]: At program point L607-2(lines 607 610) the Hoare annotation is: (let ((.cse17 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) |ULTIMATE.start_main_~s~0#1.offset|)) (.cse18 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) |ULTIMATE.start_main_~s~0#1.offset|))) (let ((.cse0 (<= 0 |ULTIMATE.start_main_~s~0#1.offset|)) (.cse2 (<= 1 |ULTIMATE.start_main_~i~0#1|)) (.cse5 (not (= .cse18 |ULTIMATE.start_main_~s~0#1.base|))) (.cse7 (<= |ULTIMATE.start_main_~len~0#1| 2)) (.cse12 (<= |ULTIMATE.start_main_~s~0#1.offset| 0)) (.cse13 (<= |ULTIMATE.start_sll_circular_get_data_at_~head#1.offset| 0)) (.cse1 (<= 2 |ULTIMATE.start_main_~len~0#1|)) (.cse4 (<= (+ |ULTIMATE.start_main_~i~0#1| 1) |ULTIMATE.start_main_~len~0#1|)) (.cse6 (= (select (select |#memory_int| .cse18) (+ .cse17 4)) (+ |ULTIMATE.start_main_~len~0#1| 1))) (.cse15 (<= 0 |ULTIMATE.start_sll_circular_get_data_at_~head#1.offset|)) (.cse8 (= .cse17 0)) (.cse9 (<= |ULTIMATE.start_sll_circular_update_at_~index#1| 0)) (.cse10 (<= 0 |ULTIMATE.start_main_~i~0#1|)) (.cse11 (<= |ULTIMATE.start_sll_circular_create_~len#1| 1)) (.cse3 (select (select |#memory_int| |ULTIMATE.start_sll_circular_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_circular_get_data_at_~head#1.offset| 4)))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_sll_circular_get_data_at_~index#1| 0) .cse2 (<= |ULTIMATE.start_main_~expected~0#1| .cse3) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= .cse3 |ULTIMATE.start_main_~expected~0#1|) .cse12) (let ((.cse14 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_get_data_at_~head#1.base|) |ULTIMATE.start_sll_circular_get_data_at_~head#1.offset|))) (let ((.cse16 (select (select |#memory_int| .cse14) 4))) (and .cse0 .cse13 .cse1 (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_get_data_at_~head#1.base|) |ULTIMATE.start_sll_circular_get_data_at_~head#1.offset|) 0) (not (= |ULTIMATE.start_sll_circular_get_data_at_~head#1.base| .cse14)) .cse2 .cse4 .cse5 .cse6 .cse15 .cse7 (<= 1 |ULTIMATE.start_sll_circular_get_data_at_~index#1|) .cse8 .cse9 .cse10 .cse11 (<= |ULTIMATE.start_sll_circular_get_data_at_~index#1| 1) .cse12 (<= .cse16 |ULTIMATE.start_main_~expected~0#1|) (<= |ULTIMATE.start_main_~expected~0#1| .cse16)))) (and .cse13 .cse1 .cse4 .cse6 .cse15 .cse8 (= 2 |ULTIMATE.start_main_~expected~0#1|) .cse9 .cse10 .cse11 (= |ULTIMATE.start_sll_circular_get_data_at_~index#1| 0) (= |ULTIMATE.start_main_~len~0#1| 2) (= |ULTIMATE.start_main_~len~0#1| (select (select |#memory_int| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (not (= |ULTIMATE.start_sll_circular_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|)) (= .cse3 |ULTIMATE.start_main_~expected~0#1|) (= |ULTIMATE.start_main_~s~0#1.offset| 0))))) [2021-12-21 12:12:58,038 INFO L858 garLoopResultBuilder]: For program point L607-3(lines 607 610) no Hoare annotation was computed. [2021-12-21 12:12:58,038 INFO L854 garLoopResultBuilder]: At program point L632(lines 620 639) the Hoare annotation is: false [2021-12-21 12:12:58,038 INFO L858 garLoopResultBuilder]: For program point L625-2(lines 625 628) no Hoare annotation was computed. [2021-12-21 12:12:58,038 INFO L854 garLoopResultBuilder]: At program point L625-3(lines 625 628) the Hoare annotation is: (let ((.cse1 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) |ULTIMATE.start_main_~s~0#1.offset|))) (let ((.cse0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) |ULTIMATE.start_main_~s~0#1.offset|)) (.cse3 (<= |ULTIMATE.start_sll_circular_update_at_~index#1| 0)) (.cse6 (= |ULTIMATE.start_main_~len~0#1| (select (select |#memory_int| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (.cse7 (= |ULTIMATE.start_sll_circular_create_~head~0#1.offset| 0)) (.cse2 (= .cse1 0)) (.cse4 (<= |ULTIMATE.start_sll_circular_create_~len#1| 1)) (.cse5 (= |ULTIMATE.start_main_~len~0#1| 2)) (.cse8 (not (= |ULTIMATE.start_sll_circular_create_~head~0#1.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|))) (.cse9 (not (= |ULTIMATE.start_sll_circular_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~head~0#1.base|) |ULTIMATE.start_sll_circular_create_~head~0#1.offset|)))) (.cse10 (= |ULTIMATE.start_main_~s~0#1.offset| 0))) (or (and (<= 0 |ULTIMATE.start_main_~s~0#1.offset|) (= (select (select |#memory_int| .cse0) (+ .cse1 4)) (+ |ULTIMATE.start_main_~len~0#1| 1)) .cse2 .cse3 .cse4 (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse5 .cse6 (not (= |ULTIMATE.start_sll_circular_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|)) (<= |ULTIMATE.start_main_~s~0#1.offset| 0)) (and .cse7 (not (= .cse0 |ULTIMATE.start_main_~s~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_update_at_~head#1.base|) |ULTIMATE.start_sll_circular_update_at_~head#1.offset|) |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_main_~i~0#1| 1) .cse2 .cse3 .cse4 .cse5 .cse6 .cse8 .cse9 .cse10) (and .cse7 (forall ((|v_ULTIMATE.start_sll_circular_update_at_~head#1.offset_25| Int)) (or (and (<= |ULTIMATE.start_main_~i~0#1| 0) (forall ((v_ArrVal_1085 Int)) (not (= |ULTIMATE.start_main_~s~0#1.base| (select (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |v_ULTIMATE.start_sll_circular_update_at_~head#1.offset_25| 4) v_ArrVal_1085) |ULTIMATE.start_main_~s~0#1.offset|)))) (<= 0 |ULTIMATE.start_main_~i~0#1|)) (< |v_ULTIMATE.start_sll_circular_update_at_~head#1.offset_25| |ULTIMATE.start_main_~s~0#1.offset|))) (<= |ULTIMATE.start_sll_circular_create_#res#1.offset| 0) .cse2 (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_#res#1.base|) |ULTIMATE.start_sll_circular_create_#res#1.offset|) |ULTIMATE.start_sll_circular_create_#res#1.base|)) .cse4 .cse5 .cse8 (<= 0 |ULTIMATE.start_sll_circular_create_#res#1.offset|) .cse9 .cse10)))) [2021-12-21 12:12:58,038 INFO L858 garLoopResultBuilder]: For program point L625-4(lines 625 628) no Hoare annotation was computed. [2021-12-21 12:12:58,038 INFO L854 garLoopResultBuilder]: At program point L584(line 584) the Hoare annotation is: (and (= |ULTIMATE.start_main_~len~0#1| 2) (= |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_sll_circular_create_~len#1|)) [2021-12-21 12:12:58,039 INFO L858 garLoopResultBuilder]: For program point L584-1(line 584) no Hoare annotation was computed. [2021-12-21 12:12:58,039 INFO L854 garLoopResultBuilder]: At program point L593(lines 583 594) the Hoare annotation is: (and (= |ULTIMATE.start_sll_circular_create_#res#1.offset| 0) (= |ULTIMATE.start_sll_circular_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_#res#1.base|) |ULTIMATE.start_sll_circular_create_#res#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_#res#1.base|) |ULTIMATE.start_sll_circular_create_#res#1.offset|) |ULTIMATE.start_sll_circular_create_#res#1.base|)) (<= |ULTIMATE.start_sll_circular_create_~len#1| 1) (= |ULTIMATE.start_main_~len~0#1| 2) (not (= |ULTIMATE.start_sll_circular_create_~head~0#1.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|)) (not (= |ULTIMATE.start_sll_circular_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~head~0#1.base|) |ULTIMATE.start_sll_circular_create_~head~0#1.offset|)))) [2021-12-21 12:12:58,039 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-21 12:12:58,039 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 637) no Hoare annotation was computed. [2021-12-21 12:12:58,039 INFO L854 garLoopResultBuilder]: At program point L586-2(lines 586 591) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_sll_circular_create_~head~0#1.offset| 0)) (.cse2 (= |ULTIMATE.start_main_~len~0#1| 2))) (or (let ((.cse0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_circular_create_~head~0#1.base|) |ULTIMATE.start_sll_circular_create_~head~0#1.offset|))) (and (= |ULTIMATE.start_sll_circular_create_~last~0#1.base| .cse0) .cse1 (<= |ULTIMATE.start_sll_circular_create_~len#1| 1) .cse2 (not (= |ULTIMATE.start_sll_circular_create_~head~0#1.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_circular_create_~head~0#1.base|) |ULTIMATE.start_sll_circular_create_~head~0#1.offset|) 0))) (and .cse1 (= |ULTIMATE.start_sll_circular_create_~head~0#1.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) .cse2 (= (select |#valid| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_sll_circular_create_~len#1|)))) [2021-12-21 12:12:58,039 INFO L858 garLoopResultBuilder]: For program point L586-3(lines 586 591) no Hoare annotation was computed. [2021-12-21 12:12:58,039 INFO L854 garLoopResultBuilder]: At program point L611(lines 606 612) the Hoare annotation is: (let ((.cse3 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) |ULTIMATE.start_main_~s~0#1.offset|)) (.cse8 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) |ULTIMATE.start_main_~s~0#1.offset|))) (let ((.cse0 (<= 2 |ULTIMATE.start_main_~len~0#1|)) (.cse2 (<= (+ |ULTIMATE.start_main_~i~0#1| 1) |ULTIMATE.start_main_~len~0#1|)) (.cse4 (= (select (select |#memory_int| .cse3) (+ .cse8 4)) (+ |ULTIMATE.start_main_~len~0#1| 1))) (.cse5 (= .cse8 0)) (.cse6 (<= |ULTIMATE.start_sll_circular_update_at_~index#1| 0)) (.cse7 (<= 0 |ULTIMATE.start_main_~i~0#1|)) (.cse1 (select (select |#memory_int| |ULTIMATE.start_sll_circular_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_circular_get_data_at_~head#1.offset| 4)))) (or (and (<= 0 |ULTIMATE.start_main_~s~0#1.offset|) .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~expected~0#1| .cse1) .cse2 (not (= .cse3 |ULTIMATE.start_main_~s~0#1.base|)) .cse4 (<= |ULTIMATE.start_main_~len~0#1| 2) (<= |ULTIMATE.start_main_~expected~0#1| |ULTIMATE.start_sll_circular_get_data_at_#res#1|) .cse5 (<= |ULTIMATE.start_sll_circular_get_data_at_#res#1| |ULTIMATE.start_main_~expected~0#1|) .cse6 .cse7 (<= .cse1 |ULTIMATE.start_main_~expected~0#1|) (<= |ULTIMATE.start_main_~s~0#1.offset| 0)) (and (<= |ULTIMATE.start_sll_circular_get_data_at_~head#1.offset| 0) .cse0 .cse2 .cse4 (<= 0 |ULTIMATE.start_sll_circular_get_data_at_~head#1.offset|) .cse5 (= 2 |ULTIMATE.start_main_~expected~0#1|) (= |ULTIMATE.start_sll_circular_get_data_at_#res#1| |ULTIMATE.start_main_~expected~0#1|) .cse6 .cse7 (<= |ULTIMATE.start_sll_circular_create_~len#1| 1) (= |ULTIMATE.start_sll_circular_get_data_at_~index#1| 0) (= |ULTIMATE.start_main_~len~0#1| 2) (= |ULTIMATE.start_main_~len~0#1| (select (select |#memory_int| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (not (= |ULTIMATE.start_sll_circular_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|)) (= .cse1 |ULTIMATE.start_main_~expected~0#1|) (= |ULTIMATE.start_main_~s~0#1.offset| 0))))) [2021-12-21 12:12:58,039 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-21 12:12:58,039 INFO L858 garLoopResultBuilder]: For program point L595(lines 595 605) no Hoare annotation was computed. [2021-12-21 12:12:58,040 INFO L854 garLoopResultBuilder]: At program point L587(line 587) the Hoare annotation is: (and (= |ULTIMATE.start_sll_circular_create_~head~0#1.offset| 0) (= |ULTIMATE.start_sll_circular_create_~head~0#1.base| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) (= |ULTIMATE.start_main_~len~0#1| 2) (= (select |#valid| |ULTIMATE.start_sll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_sll_circular_create_~len#1|)) [2021-12-21 12:12:58,040 INFO L858 garLoopResultBuilder]: For program point L587-1(line 587) no Hoare annotation was computed. [2021-12-21 12:12:58,040 INFO L858 garLoopResultBuilder]: For program point L596(lines 596 604) no Hoare annotation was computed. [2021-12-21 12:12:58,040 INFO L858 garLoopResultBuilder]: For program point L629-2(lines 629 634) no Hoare annotation was computed. [2021-12-21 12:12:58,040 INFO L854 garLoopResultBuilder]: At program point L629-3(lines 629 634) the Hoare annotation is: (let ((.cse4 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) |ULTIMATE.start_main_~s~0#1.offset|)) (.cse8 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) |ULTIMATE.start_main_~s~0#1.offset|)) (.cse3 (<= 1 |ULTIMATE.start_main_~i~0#1|))) (let ((.cse0 (or (and (<= (+ 2 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~len~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|)) (and (<= 2 |ULTIMATE.start_main_~len~0#1|) .cse3))) (.cse1 (<= |ULTIMATE.start_main_~len~0#1| 2)) (.cse5 (= (select (select |#memory_int| .cse4) (+ .cse8 4)) (+ |ULTIMATE.start_main_~len~0#1| 1))) (.cse6 (= .cse8 0)) (.cse2 (<= |ULTIMATE.start_sll_circular_update_at_~index#1| 0)) (.cse7 (<= |ULTIMATE.start_sll_circular_create_~len#1| 1))) (or (and .cse0 .cse1 .cse2 (<= 2 |ULTIMATE.start_main_~i~0#1|)) (and (<= 0 |ULTIMATE.start_main_~s~0#1.offset|) (<= |ULTIMATE.start_sll_circular_get_data_at_~index#1| 0) .cse3 (not (= .cse4 |ULTIMATE.start_main_~s~0#1.base|)) .cse0 .cse5 .cse1 .cse6 .cse2 .cse7 (<= |ULTIMATE.start_main_~s~0#1.offset| 0)) (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse5 .cse6 .cse2 .cse7 (= |ULTIMATE.start_main_~len~0#1| 2) (= |ULTIMATE.start_main_~len~0#1| (select (select |#memory_int| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (not (= |ULTIMATE.start_sll_circular_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))))) [2021-12-21 12:12:58,040 INFO L858 garLoopResultBuilder]: For program point L629-4(lines 629 634) no Hoare annotation was computed. [2021-12-21 12:12:58,040 INFO L858 garLoopResultBuilder]: For program point L613(lines 613 619) no Hoare annotation was computed. [2021-12-21 12:12:58,040 INFO L858 garLoopResultBuilder]: For program point L576(lines 576 578) no Hoare annotation was computed. [2021-12-21 12:12:58,040 INFO L858 garLoopResultBuilder]: For program point L576-1(lines 576 578) no Hoare annotation was computed. [2021-12-21 12:12:58,040 INFO L861 garLoopResultBuilder]: At program point L572(line 572) the Hoare annotation is: true [2021-12-21 12:12:58,040 INFO L854 garLoopResultBuilder]: At program point node_createENTRY(lines 574 582) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2021-12-21 12:12:58,040 INFO L858 garLoopResultBuilder]: For program point node_createFINAL(lines 574 582) no Hoare annotation was computed. [2021-12-21 12:12:58,041 INFO L858 garLoopResultBuilder]: For program point node_createEXIT(lines 574 582) no Hoare annotation was computed. [2021-12-21 12:12:58,043 INFO L732 BasicCegarLoop]: Path program histogram: [4, 2, 2, 1, 1, 1, 1, 1] [2021-12-21 12:12:58,043 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 12:12:58,068 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,069 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,069 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,069 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,069 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,069 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,070 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,074 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,076 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,077 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,077 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,077 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,077 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,077 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,080 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,080 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,080 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,081 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,081 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,081 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,082 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,082 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,082 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,082 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,082 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,082 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,082 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,083 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,083 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,083 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,084 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,084 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,084 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,084 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,085 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,086 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_514,QUANTIFIED] [2021-12-21 12:12:58,086 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,086 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,086 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,086 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,087 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,087 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,087 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,087 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_1087,QUANTIFIED] [2021-12-21 12:12:58,087 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,087 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,087 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_1088,QUANTIFIED] [2021-12-21 12:12:58,088 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,089 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_514,QUANTIFIED] [2021-12-21 12:12:58,089 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,089 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,089 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,089 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,089 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,090 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,090 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,090 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_1087,QUANTIFIED] [2021-12-21 12:12:58,090 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,090 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,090 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_1088,QUANTIFIED] [2021-12-21 12:12:58,091 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,100 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,100 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,100 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,100 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,101 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,101 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,101 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,101 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_1085,QUANTIFIED] [2021-12-21 12:12:58,101 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_sll_circular_update_at_~head#1.offset_25,QUANTIFIED] [2021-12-21 12:12:58,101 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_sll_circular_update_at_~head#1.offset_25,QUANTIFIED] [2021-12-21 12:12:58,101 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,102 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,102 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,103 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,105 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,105 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,106 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,106 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,106 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,106 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,108 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,108 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_1085,QUANTIFIED] [2021-12-21 12:12:58,108 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_sll_circular_update_at_~head#1.offset_25,QUANTIFIED] [2021-12-21 12:12:58,108 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_sll_circular_update_at_~head#1.offset_25,QUANTIFIED] [2021-12-21 12:12:58,109 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,109 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,109 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,110 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,110 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,110 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,111 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,111 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,111 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,113 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,114 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,114 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,115 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,115 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,115 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,115 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,115 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,115 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,116 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,116 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,116 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,116 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,116 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,116 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,117 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,117 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,117 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,117 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,118 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,118 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,118 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,118 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,118 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,118 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,119 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,119 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,119 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,119 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,119 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 12:12:58 BoogieIcfgContainer [2021-12-21 12:12:58,122 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 12:12:58,122 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 12:12:58,122 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 12:12:58,122 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 12:12:58,123 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 12:12:10" (3/4) ... [2021-12-21 12:12:58,125 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-21 12:12:58,129 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure node_create [2021-12-21 12:12:58,134 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2021-12-21 12:12:58,135 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-12-21 12:12:58,135 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-21 12:12:58,135 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-21 12:12:58,150 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 0 && head == 0) && #memory_$Pointer$[\result][\result] == 0) && !(#memory_$Pointer$[\result][\result] == \result)) && len <= 1) && len == 2) && !(head == last)) && !(head == #memory_$Pointer$[head][head]) [2021-12-21 12:12:58,150 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((0 <= s && unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4] == len + 1) && #memory_$Pointer$[s][s] == 0) && index <= 0) && len <= 1) && 2 <= i) && len == 2) && len == unknown-#memory_int-unknown[s][s + 4]) && !(head == s)) && s <= 0) || (((((((((((head == 0 && !(#memory_$Pointer$[s][s] == s)) && !(#memory_$Pointer$[head][head] == s)) && i == 1) && #memory_$Pointer$[s][s] == 0) && index <= 0) && len <= 1) && len == 2) && len == unknown-#memory_int-unknown[s][s + 4]) && !(head == last)) && !(head == #memory_$Pointer$[head][head])) && s == 0)) || ((((((((((head == 0 && (forall v_ULTIMATE.start_sll_circular_update_at_~head#1.offset_25 : int :: ((i <= 0 && (forall v_ArrVal_1085 : int :: !(s == #memory_$Pointer$[s][v_ULTIMATE.start_sll_circular_update_at_~head#1.offset_25 + 4 := v_ArrVal_1085][s]))) && 0 <= i) || v_ULTIMATE.start_sll_circular_update_at_~head#1.offset_25 < s)) && \result <= 0) && #memory_$Pointer$[s][s] == 0) && !(#memory_$Pointer$[\result][\result] == \result)) && len <= 1) && len == 2) && !(head == last)) && 0 <= \result) && !(head == #memory_$Pointer$[head][head])) && s == 0) [2021-12-21 12:12:58,150 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((0 <= s && #memory_$Pointer$[head][head] == 0) && head == s) && head == 0) && (forall v_ArrVal_514 : [int]int :: len <= unknown-#memory_int-unknown[#memory_$Pointer$[head][head] := v_ArrVal_514][s][s + 4])) && s == head) && len + 1 == data) && len + i == data) && len <= 1) && len == 2) && len == unknown-#memory_int-unknown[s][s + 4]) && !(head == last)) && i == index) && s <= 0) && !(head == #memory_$Pointer$[head][head])) || (((((((((((((((head == s && head == 0) && \result <= 0) && !(head == #memory_$Pointer$[head][s])) && s == head) && !(#memory_$Pointer$[\result][\result] == \result)) && len + i == data) && len <= 1) && len == data) && len == 2) && !(head == last)) && 0 <= \result) && i == index) && !(head == #memory_$Pointer$[head][head])) && #memory_$Pointer$[head][s] == 0) && s == 0)) || ((((((((((((0 <= s && (forall v_ArrVal_1087 : [int]int :: #memory_$Pointer$[head := v_ArrVal_1087][s][s] == head)) && i + 1 <= len) && #memory_$Pointer$[s][s] == 0) && len + i == data) && index <= 0) && len <= 1) && len + 1 <= data) && (forall v_ArrVal_1088 : [int]int :: #memory_$Pointer$[head := v_ArrVal_1088][s][s] == head)) && len == 2) && len == unknown-#memory_int-unknown[s][s + 4]) && !(head == s)) && s <= 0) [2021-12-21 12:12:58,150 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((0 <= s && 2 <= len) && 1 <= i) && expected <= unknown-#memory_int-unknown[head][head + 4]) && i + 1 <= len) && !(#memory_$Pointer$[s][s] == s)) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4] == len + 1) && len <= 2) && expected <= \result) && #memory_$Pointer$[s][s] == 0) && \result <= expected) && index <= 0) && 0 <= i) && unknown-#memory_int-unknown[head][head + 4] <= expected) && s <= 0) || ((((((((((((((((head <= 0 && 2 <= len) && i + 1 <= len) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4] == len + 1) && 0 <= head) && #memory_$Pointer$[s][s] == 0) && 2 == expected) && \result == expected) && index <= 0) && 0 <= i) && len <= 1) && index == 0) && len == 2) && len == unknown-#memory_int-unknown[s][s + 4]) && !(head == s)) && unknown-#memory_int-unknown[head][head + 4] == expected) && s == 0) [2021-12-21 12:12:58,167 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-21 12:12:58,167 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 12:12:58,168 INFO L158 Benchmark]: Toolchain (without parser) took 47936.35ms. Allocated memory was 102.8MB in the beginning and 230.7MB in the end (delta: 127.9MB). Free memory was 72.1MB in the beginning and 99.5MB in the end (delta: -27.5MB). Peak memory consumption was 98.6MB. Max. memory is 16.1GB. [2021-12-21 12:12:58,168 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 102.8MB. Free memory was 60.0MB in the beginning and 59.9MB in the end (delta: 47.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 12:12:58,169 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.37ms. Allocated memory is still 102.8MB. Free memory was 71.8MB in the beginning and 70.9MB in the end (delta: 906.2kB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2021-12-21 12:12:58,169 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.93ms. Allocated memory is still 102.8MB. Free memory was 70.9MB in the beginning and 68.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 12:12:58,169 INFO L158 Benchmark]: Boogie Preprocessor took 30.00ms. Allocated memory is still 102.8MB. Free memory was 68.8MB in the beginning and 67.1MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-21 12:12:58,170 INFO L158 Benchmark]: RCFGBuilder took 323.88ms. Allocated memory is still 102.8MB. Free memory was 67.1MB in the beginning and 53.7MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-21 12:12:58,170 INFO L158 Benchmark]: TraceAbstraction took 47157.38ms. Allocated memory was 102.8MB in the beginning and 230.7MB in the end (delta: 127.9MB). Free memory was 53.1MB in the beginning and 103.7MB in the end (delta: -50.7MB). Peak memory consumption was 114.8MB. Max. memory is 16.1GB. [2021-12-21 12:12:58,170 INFO L158 Benchmark]: Witness Printer took 45.34ms. Allocated memory is still 230.7MB. Free memory was 103.7MB in the beginning and 99.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-21 12:12:58,171 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 102.8MB. Free memory was 60.0MB in the beginning and 59.9MB in the end (delta: 47.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 339.37ms. Allocated memory is still 102.8MB. Free memory was 71.8MB in the beginning and 70.9MB in the end (delta: 906.2kB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.93ms. Allocated memory is still 102.8MB. Free memory was 70.9MB in the beginning and 68.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.00ms. Allocated memory is still 102.8MB. Free memory was 68.8MB in the beginning and 67.1MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 323.88ms. Allocated memory is still 102.8MB. Free memory was 67.1MB in the beginning and 53.7MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 47157.38ms. Allocated memory was 102.8MB in the beginning and 230.7MB in the end (delta: 127.9MB). Free memory was 53.1MB in the beginning and 103.7MB in the end (delta: -50.7MB). Peak memory consumption was 114.8MB. Max. memory is 16.1GB. * Witness Printer took 45.34ms. Allocated memory is still 230.7MB. Free memory was 103.7MB in the beginning and 99.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_514,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_1087,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_1088,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_514,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_1087,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_1088,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_1085,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_sll_circular_update_at_~head#1.offset_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_sll_circular_update_at_~head#1.offset_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_1085,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_sll_circular_update_at_~head#1.offset_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_sll_circular_update_at_~head#1.offset_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; 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_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 637]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 47.0s, OverallIterations: 13, TraceHistogramMax: 3, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 29.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 648 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 645 mSDsluCounter, 2492 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 513 IncrementalHoareTripleChecker+Unchecked, 2110 mSDsCounter, 167 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2036 IncrementalHoareTripleChecker+Invalid, 2716 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 167 mSolverCounterUnsat, 382 mSDtfsCounter, 2036 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 930 GetRequests, 680 SyntacticMatches, 23 SemanticMatches, 227 ConstructedPredicates, 11 IntricatePredicates, 0 DeprecatedPredicates, 2085 ImplicationChecksByTransitivity, 7.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68occurred in iteration=11, InterpolantAutomatonStates: 120, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 113 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 18 PreInvPairs, 38 NumberOfFragments, 1167 HoareAnnotationTreeSize, 18 FomulaSimplifications, 7771 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 14 FomulaSimplificationsInter, 6219 FormulaSimplificationTreeSizeReductionInter, 29.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 9.2s InterpolantComputationTime, 896 NumberOfCodeBlocks, 893 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 1198 ConstructedInterpolants, 22 QuantifiedInterpolants, 6581 SizeOfPredicates, 90 NumberOfNonLiveVariables, 3101 ConjunctsInSsa, 246 ConjunctsInUnsatCore, 31 InterpolantComputations, 5 PerfectInterpolantSequences, 377/539 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant [2021-12-21 12:12:58,193 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,193 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,193 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,194 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,194 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,194 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,194 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,195 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,195 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,196 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,196 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,196 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,196 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,196 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: ((((((((((((((0 <= s && 2 <= len) && 1 <= i) && expected <= unknown-#memory_int-unknown[head][head + 4]) && i + 1 <= len) && !(#memory_$Pointer$[s][s] == s)) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4] == len + 1) && len <= 2) && expected <= \result) && #memory_$Pointer$[s][s] == 0) && \result <= expected) && index <= 0) && 0 <= i) && unknown-#memory_int-unknown[head][head + 4] <= expected) && s <= 0) || ((((((((((((((((head <= 0 && 2 <= len) && i + 1 <= len) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4] == len + 1) && 0 <= head) && #memory_$Pointer$[s][s] == 0) && 2 == expected) && \result == expected) && index <= 0) && 0 <= i) && len <= 1) && index == 0) && len == 2) && len == unknown-#memory_int-unknown[s][s + 4]) && !(head == s)) && unknown-#memory_int-unknown[head][head + 4] == expected) && s == 0) - InvariantResult [Line: 572]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 586]: Loop Invariant [2021-12-21 12:12:58,197 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,197 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,197 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,198 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,198 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,198 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: (((((last == #memory_$Pointer$[head][head] && head == 0) && len <= 1) && len == 2) && !(head == #memory_$Pointer$[head][head])) && #memory_$Pointer$[head][head] == 0) || ((((head == 0 && head == last) && len == 2) && \valid[last] == 1) && len == len) - InvariantResult [Line: 629]: Loop Invariant [2021-12-21 12:12:58,198 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,198 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,198 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,199 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,199 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,199 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,199 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,199 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,200 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,200 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,200 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,200 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,200 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,200 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: ((((((2 + i <= len && 0 <= i) || (2 <= len && 1 <= i)) && len <= 2) && index <= 0) && 2 <= i) || ((((((((((0 <= s && index <= 0) && 1 <= i) && !(#memory_$Pointer$[s][s] == s)) && ((2 + i <= len && 0 <= i) || (2 <= len && 1 <= i))) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4] == len + 1) && len <= 2) && #memory_$Pointer$[s][s] == 0) && index <= 0) && len <= 1) && s <= 0)) || ((((((((i == 0 && unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4] == len + 1) && #memory_$Pointer$[s][s] == 0) && index <= 0) && len <= 1) && len == 2) && len == unknown-#memory_int-unknown[s][s + 4]) && !(head == s)) && s == 0) - InvariantResult [Line: 614]: Loop Invariant [2021-12-21 12:12:58,201 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,201 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_514,QUANTIFIED] [2021-12-21 12:12:58,202 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,202 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,202 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,202 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,202 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,202 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,202 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,202 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_1087,QUANTIFIED] [2021-12-21 12:12:58,203 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,203 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,203 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_1088,QUANTIFIED] [2021-12-21 12:12:58,204 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,204 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_514,QUANTIFIED] [2021-12-21 12:12:58,205 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,205 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,205 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,205 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,205 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,205 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,205 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,205 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_1087,QUANTIFIED] [2021-12-21 12:12:58,206 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,206 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,206 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_1088,QUANTIFIED] Derived loop invariant: (((((((((((((((0 <= s && #memory_$Pointer$[head][head] == 0) && head == s) && head == 0) && (forall v_ArrVal_514 : [int]int :: len <= unknown-#memory_int-unknown[#memory_$Pointer$[head][head] := v_ArrVal_514][s][s + 4])) && s == head) && len + 1 == data) && len + i == data) && len <= 1) && len == 2) && len == unknown-#memory_int-unknown[s][s + 4]) && !(head == last)) && i == index) && s <= 0) && !(head == #memory_$Pointer$[head][head])) || (((((((((((((((head == s && head == 0) && \result <= 0) && !(head == #memory_$Pointer$[head][s])) && s == head) && !(#memory_$Pointer$[\result][\result] == \result)) && len + i == data) && len <= 1) && len == data) && len == 2) && !(head == last)) && 0 <= \result) && i == index) && !(head == #memory_$Pointer$[head][head])) && #memory_$Pointer$[head][s] == 0) && s == 0)) || ((((((((((((0 <= s && (forall v_ArrVal_1087 : [int]int :: #memory_$Pointer$[head := v_ArrVal_1087][s][s] == head)) && i + 1 <= len) && #memory_$Pointer$[s][s] == 0) && len + i == data) && index <= 0) && len <= 1) && len + 1 <= data) && (forall v_ArrVal_1088 : [int]int :: #memory_$Pointer$[head := v_ArrVal_1088][s][s] == head)) && len == 2) && len == unknown-#memory_int-unknown[s][s + 4]) && !(head == s)) && s <= 0) - InvariantResult [Line: 625]: Loop Invariant [2021-12-21 12:12:58,207 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,207 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,207 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,207 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,207 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,207 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,207 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,207 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,208 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_1085,QUANTIFIED] [2021-12-21 12:12:58,208 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_sll_circular_update_at_~head#1.offset_25,QUANTIFIED] [2021-12-21 12:12:58,208 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_sll_circular_update_at_~head#1.offset_25,QUANTIFIED] [2021-12-21 12:12:58,208 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,208 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,209 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,209 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,209 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,210 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,210 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,210 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,210 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,210 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,211 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,211 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_1085,QUANTIFIED] [2021-12-21 12:12:58,211 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_sll_circular_update_at_~head#1.offset_25,QUANTIFIED] [2021-12-21 12:12:58,211 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_sll_circular_update_at_~head#1.offset_25,QUANTIFIED] [2021-12-21 12:12:58,211 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,211 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,211 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: ((((((((((0 <= s && unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4] == len + 1) && #memory_$Pointer$[s][s] == 0) && index <= 0) && len <= 1) && 2 <= i) && len == 2) && len == unknown-#memory_int-unknown[s][s + 4]) && !(head == s)) && s <= 0) || (((((((((((head == 0 && !(#memory_$Pointer$[s][s] == s)) && !(#memory_$Pointer$[head][head] == s)) && i == 1) && #memory_$Pointer$[s][s] == 0) && index <= 0) && len <= 1) && len == 2) && len == unknown-#memory_int-unknown[s][s + 4]) && !(head == last)) && !(head == #memory_$Pointer$[head][head])) && s == 0)) || ((((((((((head == 0 && (forall v_ULTIMATE.start_sll_circular_update_at_~head#1.offset_25 : int :: ((i <= 0 && (forall v_ArrVal_1085 : int :: !(s == #memory_$Pointer$[s][v_ULTIMATE.start_sll_circular_update_at_~head#1.offset_25 + 4 := v_ArrVal_1085][s]))) && 0 <= i) || v_ULTIMATE.start_sll_circular_update_at_~head#1.offset_25 < s)) && \result <= 0) && #memory_$Pointer$[s][s] == 0) && !(#memory_$Pointer$[\result][\result] == \result)) && len <= 1) && len == 2) && !(head == last)) && 0 <= \result) && !(head == #memory_$Pointer$[head][head])) && s == 0) - InvariantResult [Line: 583]: Loop Invariant [2021-12-21 12:12:58,212 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,215 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,215 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,215 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,215 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,216 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: ((((((\result == 0 && head == 0) && #memory_$Pointer$[\result][\result] == 0) && !(#memory_$Pointer$[\result][\result] == \result)) && len <= 1) && len == 2) && !(head == last)) && !(head == #memory_$Pointer$[head][head]) - InvariantResult [Line: 607]: Loop Invariant [2021-12-21 12:12:58,216 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,216 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,216 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,216 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,216 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,217 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,217 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,217 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,217 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,217 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,217 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,217 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,218 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,218 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,218 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,218 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,219 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,219 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,219 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,219 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,219 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,219 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,220 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,220 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,221 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,221 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,221 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,221 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-21 12:12:58,221 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-21 12:12:58,221 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: (((((((((((((((0 <= s && 2 <= len) && index <= 0) && 1 <= i) && expected <= unknown-#memory_int-unknown[head][head + 4]) && i + 1 <= len) && !(#memory_$Pointer$[s][s] == s)) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4] == len + 1) && len <= 2) && #memory_$Pointer$[s][s] == 0) && index <= 0) && 0 <= i) && len <= 1) && unknown-#memory_int-unknown[head][head + 4] <= expected) && s <= 0) || (((((((((((((((((((0 <= s && head <= 0) && 2 <= len) && #memory_$Pointer$[head][head] == 0) && !(head == #memory_$Pointer$[head][head])) && 1 <= i) && i + 1 <= len) && !(#memory_$Pointer$[s][s] == s)) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4] == len + 1) && 0 <= head) && len <= 2) && 1 <= index) && #memory_$Pointer$[s][s] == 0) && index <= 0) && 0 <= i) && len <= 1) && index <= 1) && s <= 0) && unknown-#memory_int-unknown[#memory_$Pointer$[head][head]][4] <= expected) && expected <= unknown-#memory_int-unknown[#memory_$Pointer$[head][head]][4])) || (((((((((((((((head <= 0 && 2 <= len) && i + 1 <= len) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4] == len + 1) && 0 <= head) && #memory_$Pointer$[s][s] == 0) && 2 == expected) && index <= 0) && 0 <= i) && len <= 1) && index == 0) && len == 2) && len == unknown-#memory_int-unknown[s][s + 4]) && !(head == s)) && unknown-#memory_int-unknown[head][head + 4] == expected) && s == 0) RESULT: Ultimate proved your program to be correct! [2021-12-21 12:12:58,233 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE