./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-ext2-properties/simple_and_skiplist_2lvl_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9e66e499-bd65-4357-b3ea-f601c5c960b8/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9e66e499-bd65-4357-b3ea-f601c5c960b8/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9e66e499-bd65-4357-b3ea-f601c5c960b8/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9e66e499-bd65-4357-b3ea-f601c5c960b8/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/list-ext2-properties/simple_and_skiplist_2lvl_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_9e66e499-bd65-4357-b3ea-f601c5c960b8/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9e66e499-bd65-4357-b3ea-f601c5c960b8/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 323a368457db0fbf1a75769ccf65710269e3f40c ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 06:56:17,426 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:56:17,427 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:56:17,434 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:56:17,434 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:56:17,435 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:56:17,435 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:56:17,437 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:56:17,438 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:56:17,438 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:56:17,439 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:56:17,439 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:56:17,440 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:56:17,441 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:56:17,442 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:56:17,443 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:56:17,443 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:56:17,444 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:56:17,446 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:56:17,447 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:56:17,448 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:56:17,449 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:56:17,450 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:56:17,450 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:56:17,450 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:56:17,451 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:56:17,451 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:56:17,452 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:56:17,453 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:56:17,453 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:56:17,454 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:56:17,454 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:56:17,454 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:56:17,454 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:56:17,455 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:56:17,456 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:56:17,456 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9e66e499-bd65-4357-b3ea-f601c5c960b8/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 06:56:17,465 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:56:17,465 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:56:17,466 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:56:17,466 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 06:56:17,466 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 06:56:17,466 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 06:56:17,467 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 06:56:17,467 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:56:17,467 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 06:56:17,467 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 06:56:17,467 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 06:56:17,467 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:56:17,468 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 06:56:17,468 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:56:17,468 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 06:56:17,468 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 06:56:17,468 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:56:17,468 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:56:17,468 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 06:56:17,469 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:56:17,469 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 06:56:17,469 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:56:17,469 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 06:56:17,469 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:56:17,469 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:56:17,469 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:56:17,469 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 06:56:17,469 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 06:56:17,469 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:56:17,470 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 06:56:17,470 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_9e66e499-bd65-4357-b3ea-f601c5c960b8/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 323a368457db0fbf1a75769ccf65710269e3f40c [2018-11-23 06:56:17,492 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:56:17,501 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:56:17,503 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:56:17,504 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:56:17,504 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:56:17,504 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9e66e499-bd65-4357-b3ea-f601c5c960b8/bin-2019/uautomizer/../../sv-benchmarks/c/list-ext2-properties/simple_and_skiplist_2lvl_false-unreach-call.i [2018-11-23 06:56:17,540 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9e66e499-bd65-4357-b3ea-f601c5c960b8/bin-2019/uautomizer/data/4be5e5841/5fefdd582adb43bca5de56752de18128/FLAG262780d21 [2018-11-23 06:56:17,986 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:56:17,986 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9e66e499-bd65-4357-b3ea-f601c5c960b8/sv-benchmarks/c/list-ext2-properties/simple_and_skiplist_2lvl_false-unreach-call.i [2018-11-23 06:56:17,995 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9e66e499-bd65-4357-b3ea-f601c5c960b8/bin-2019/uautomizer/data/4be5e5841/5fefdd582adb43bca5de56752de18128/FLAG262780d21 [2018-11-23 06:56:18,006 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9e66e499-bd65-4357-b3ea-f601c5c960b8/bin-2019/uautomizer/data/4be5e5841/5fefdd582adb43bca5de56752de18128 [2018-11-23 06:56:18,009 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:56:18,010 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:56:18,011 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:56:18,011 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:56:18,014 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:56:18,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:56:18" (1/1) ... [2018-11-23 06:56:18,017 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@136a9c29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:56:18, skipping insertion in model container [2018-11-23 06:56:18,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:56:18" (1/1) ... [2018-11-23 06:56:18,025 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:56:18,057 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:56:18,266 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:56:18,274 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:56:18,352 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:56:18,377 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:56:18,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:56:18 WrapperNode [2018-11-23 06:56:18,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:56:18,378 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:56:18,378 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:56:18,378 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:56:18,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:56:18" (1/1) ... [2018-11-23 06:56:18,395 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:56:18" (1/1) ... [2018-11-23 06:56:18,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:56:18,400 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:56:18,400 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:56:18,400 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:56:18,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:56:18" (1/1) ... [2018-11-23 06:56:18,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:56:18" (1/1) ... [2018-11-23 06:56:18,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:56:18" (1/1) ... [2018-11-23 06:56:18,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:56:18" (1/1) ... [2018-11-23 06:56:18,421 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:56:18" (1/1) ... [2018-11-23 06:56:18,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:56:18" (1/1) ... [2018-11-23 06:56:18,427 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:56:18" (1/1) ... [2018-11-23 06:56:18,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:56:18,430 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:56:18,430 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:56:18,430 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:56:18,431 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:56:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9e66e499-bd65-4357-b3ea-f601c5c960b8/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:56:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 06:56:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 06:56:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure sl_random_insert [2018-11-23 06:56:18,466 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_random_insert [2018-11-23 06:56:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 06:56:18,466 INFO L138 BoogieDeclarations]: Found implementation of procedure exit [2018-11-23 06:56:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 06:56:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 06:56:18,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 06:56:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 06:56:18,466 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 06:56:18,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 06:56:18,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 06:56:18,467 INFO L130 BoogieDeclarations]: Found specification of procedure create_sl_with_head_and_tail [2018-11-23 06:56:18,467 INFO L138 BoogieDeclarations]: Found implementation of procedure create_sl_with_head_and_tail [2018-11-23 06:56:18,467 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_sl [2018-11-23 06:56:18,467 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_sl [2018-11-23 06:56:18,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 06:56:18,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:56:18,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:56:18,769 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:56:18,770 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-23 06:56:18,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:56:18 BoogieIcfgContainer [2018-11-23 06:56:18,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:56:18,771 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 06:56:18,771 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 06:56:18,773 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 06:56:18,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:56:18" (1/3) ... [2018-11-23 06:56:18,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10fc03ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:56:18, skipping insertion in model container [2018-11-23 06:56:18,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:56:18" (2/3) ... [2018-11-23 06:56:18,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10fc03ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:56:18, skipping insertion in model container [2018-11-23 06:56:18,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:56:18" (3/3) ... [2018-11-23 06:56:18,775 INFO L112 eAbstractionObserver]: Analyzing ICFG simple_and_skiplist_2lvl_false-unreach-call.i [2018-11-23 06:56:18,781 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 06:56:18,786 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 06:56:18,795 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 06:56:18,812 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 06:56:18,812 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 06:56:18,812 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 06:56:18,812 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 06:56:18,813 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 06:56:18,813 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 06:56:18,813 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 06:56:18,813 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 06:56:18,813 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 06:56:18,825 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states. [2018-11-23 06:56:18,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 06:56:18,829 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:56:18,830 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:56:18,831 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:56:18,834 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:56:18,835 INFO L82 PathProgramCache]: Analyzing trace with hash 39487780, now seen corresponding path program 1 times [2018-11-23 06:56:18,836 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:56:18,836 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:56:18,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:56:18,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:56:18,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:56:18,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:56:18,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:56:18,923 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:56:18,923 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 06:56:18,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 06:56:18,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 06:56:18,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 06:56:18,935 INFO L87 Difference]: Start difference. First operand 54 states. Second operand 2 states. [2018-11-23 06:56:18,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:56:18,952 INFO L93 Difference]: Finished difference Result 92 states and 124 transitions. [2018-11-23 06:56:18,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 06:56:18,954 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2018-11-23 06:56:18,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:56:18,961 INFO L225 Difference]: With dead ends: 92 [2018-11-23 06:56:18,961 INFO L226 Difference]: Without dead ends: 18 [2018-11-23 06:56:18,964 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 06:56:18,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-11-23 06:56:18,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-11-23 06:56:18,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-11-23 06:56:18,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2018-11-23 06:56:18,990 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 13 [2018-11-23 06:56:18,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:56:18,990 INFO L480 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2018-11-23 06:56:18,990 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 06:56:18,990 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2018-11-23 06:56:18,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 06:56:18,991 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:56:18,991 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:56:18,991 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:56:18,991 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:56:18,991 INFO L82 PathProgramCache]: Analyzing trace with hash 781483651, now seen corresponding path program 1 times [2018-11-23 06:56:18,991 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:56:18,991 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:56:18,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:56:18,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:56:18,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:56:19,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:56:19,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:56:19,057 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:56:19,057 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 06:56:19,058 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 06:56:19,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 06:56:19,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 06:56:19,058 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand 5 states. [2018-11-23 06:56:19,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:56:19,133 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2018-11-23 06:56:19,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 06:56:19,134 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-11-23 06:56:19,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:56:19,134 INFO L225 Difference]: With dead ends: 33 [2018-11-23 06:56:19,134 INFO L226 Difference]: Without dead ends: 31 [2018-11-23 06:56:19,135 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 06:56:19,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-11-23 06:56:19,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 23. [2018-11-23 06:56:19,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-11-23 06:56:19,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2018-11-23 06:56:19,140 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 14 [2018-11-23 06:56:19,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:56:19,140 INFO L480 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2018-11-23 06:56:19,140 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 06:56:19,140 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2018-11-23 06:56:19,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 06:56:19,141 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:56:19,141 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:56:19,141 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:56:19,141 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:56:19,142 INFO L82 PathProgramCache]: Analyzing trace with hash -1833409640, now seen corresponding path program 1 times [2018-11-23 06:56:19,142 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:56:19,142 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:56:19,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:56:19,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:56:19,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:56:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:56:19,280 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:56:19,280 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:56:19,280 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9e66e499-bd65-4357-b3ea-f601c5c960b8/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 06:56:19,305 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:56:19,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:56:19,329 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:56:19,374 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 06:56:19,376 INFO L478 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 8 treesize of output 7 [2018-11-23 06:56:19,376 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:56:19,380 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:56:19,411 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 06:56:19,413 INFO L478 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 8 treesize of output 7 [2018-11-23 06:56:19,414 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 06:56:19,415 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:56:19,419 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:56:19,419 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:26, output treesize:18 [2018-11-23 06:56:19,429 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-11-23 06:56:19,431 INFO L478 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-23 06:56:19,432 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:56:19,436 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:56:19,443 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-11-23 06:56:19,446 INFO L478 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-23 06:56:19,447 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 06:56:19,448 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:56:19,453 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:56:19,453 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:29, output treesize:7 [2018-11-23 06:56:19,455 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:56:19,473 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 06:56:19,473 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-11-23 06:56:19,474 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 06:56:19,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 06:56:19,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-23 06:56:19,474 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. Second operand 6 states. [2018-11-23 06:56:19,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:56:19,557 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions. [2018-11-23 06:56:19,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 06:56:19,557 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2018-11-23 06:56:19,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:56:19,558 INFO L225 Difference]: With dead ends: 37 [2018-11-23 06:56:19,558 INFO L226 Difference]: Without dead ends: 27 [2018-11-23 06:56:19,559 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 06:56:19,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-11-23 06:56:19,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 20. [2018-11-23 06:56:19,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-11-23 06:56:19,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2018-11-23 06:56:19,562 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 17 [2018-11-23 06:56:19,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:56:19,562 INFO L480 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2018-11-23 06:56:19,562 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 06:56:19,562 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2018-11-23 06:56:19,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 06:56:19,563 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:56:19,563 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:56:19,563 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:56:19,563 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:56:19,564 INFO L82 PathProgramCache]: Analyzing trace with hash -1844777302, now seen corresponding path program 1 times [2018-11-23 06:56:19,564 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:56:19,564 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:56:19,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:56:19,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:56:19,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:56:19,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:56:19,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:56:19,608 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); VAL [|#NULL.base|=19, |#NULL.offset|=9, |old(#NULL.base)|=19, |old(#NULL.offset)|=9] [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=19, |old(#NULL.offset)|=9] [?] assume true; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=19, |old(#NULL.offset)|=9] [?] RET #159#return; VAL [|#NULL.base|=0, |#NULL.offset|=0] [?] CALL call #t~ret38 := main(); VAL [|#NULL.base|=0, |#NULL.offset|=0] [?] call #t~malloc30.base, #t~malloc30.offset := #Ultimate.alloc(8);~a~0.base, ~a~0.offset := #t~malloc30.base, #t~malloc30.offset; VAL [main_~a~0.base=14, main_~a~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc30.base|=14, |main_#t~malloc30.offset|=0] [?] assume !(~a~0.base == 0 && ~a~0.offset == 0); VAL [main_~a~0.base=14, main_~a~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc30.base|=14, |main_#t~malloc30.offset|=0] [?] havoc ~t~0.base, ~t~0.offset;~p~0.base, ~p~0.offset := ~a~0.base, ~a~0.offset;call write~int(2, ~a~0.base, ~a~0.offset, 4); VAL [main_~a~0.base=14, main_~a~0.offset=0, main_~p~0.base=14, main_~p~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc30.base|=14, |main_#t~malloc30.offset|=0] [?] assume -2147483648 <= #t~nondet31 && #t~nondet31 <= 2147483647; VAL [main_~a~0.base=14, main_~a~0.offset=0, main_~p~0.base=14, main_~p~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc30.base|=14, |main_#t~malloc30.offset|=0, |main_#t~nondet31|=1] [?] assume !!(0 != #t~nondet31);havoc #t~nondet31;call write~int(1, ~p~0.base, ~p~0.offset, 4);call #t~malloc32.base, #t~malloc32.offset := #Ultimate.alloc(8);~t~0.base, ~t~0.offset := #t~malloc32.base, #t~malloc32.offset; VAL [main_~a~0.base=14, main_~a~0.offset=0, main_~p~0.base=14, main_~p~0.offset=0, main_~t~0.base=20, main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc30.base|=14, |main_#t~malloc30.offset|=0, |main_#t~malloc32.base|=20, |main_#t~malloc32.offset|=0] [?] assume !(~t~0.base == 0 && ~t~0.offset == 0); VAL [main_~a~0.base=14, main_~a~0.offset=0, main_~p~0.base=14, main_~p~0.offset=0, main_~t~0.base=20, main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc30.base|=14, |main_#t~malloc30.offset|=0, |main_#t~malloc32.base|=20, |main_#t~malloc32.offset|=0] [?] call write~$Pointer$(~t~0.base, ~t~0.offset, ~p~0.base, 4 + ~p~0.offset, 4);call #t~mem33.base, #t~mem33.offset := read~$Pointer$(~p~0.base, 4 + ~p~0.offset, 4);~p~0.base, ~p~0.offset := #t~mem33.base, #t~mem33.offset;havoc #t~mem33.base, #t~mem33.offset; VAL [main_~a~0.base=14, main_~a~0.offset=0, main_~p~0.base=20, main_~p~0.offset=0, main_~t~0.base=20, main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc30.base|=14, |main_#t~malloc30.offset|=0, |main_#t~malloc32.base|=20, |main_#t~malloc32.offset|=0] [?] assume -2147483648 <= #t~nondet31 && #t~nondet31 <= 2147483647; VAL [main_~a~0.base=14, main_~a~0.offset=0, main_~p~0.base=20, main_~p~0.offset=0, main_~t~0.base=20, main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc30.base|=14, |main_#t~malloc30.offset|=0, |main_#t~malloc32.base|=20, |main_#t~malloc32.offset|=0, |main_#t~nondet31|=0] [?] assume !(0 != #t~nondet31);havoc #t~nondet31; VAL [main_~a~0.base=14, main_~a~0.offset=0, main_~p~0.base=20, main_~p~0.offset=0, main_~t~0.base=20, main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc30.base|=14, |main_#t~malloc30.offset|=0, |main_#t~malloc32.base|=20, |main_#t~malloc32.offset|=0] [?] call write~int(2, ~p~0.base, ~p~0.offset, 4);call write~$Pointer$(0, 0, ~p~0.base, 4 + ~p~0.offset, 4);~p~0.base, ~p~0.offset := ~a~0.base, ~a~0.offset; VAL [main_~a~0.base=14, main_~a~0.offset=0, main_~p~0.base=14, main_~p~0.offset=0, main_~t~0.base=20, main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc30.base|=14, |main_#t~malloc30.offset|=0, |main_#t~malloc32.base|=20, |main_#t~malloc32.offset|=0] [?] assume !!(~p~0.base != 0 || ~p~0.offset != 0);call #t~mem34 := read~int(~p~0.base, ~p~0.offset, 4); VAL [main_~a~0.base=14, main_~a~0.offset=0, main_~p~0.base=14, main_~p~0.offset=0, main_~t~0.base=20, main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc30.base|=14, |main_#t~malloc30.offset|=0, |main_#t~malloc32.base|=20, |main_#t~malloc32.offset|=0, |main_#t~mem34|=1] [?] assume 2 != #t~mem34;havoc #t~mem34; VAL [main_~a~0.base=14, main_~a~0.offset=0, main_~p~0.base=14, main_~p~0.offset=0, main_~t~0.base=20, main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc30.base|=14, |main_#t~malloc30.offset|=0, |main_#t~malloc32.base|=20, |main_#t~malloc32.offset|=0] [?] assume !false; VAL [main_~a~0.base=14, main_~a~0.offset=0, main_~p~0.base=14, main_~p~0.offset=0, main_~t~0.base=20, main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc30.base|=14, |main_#t~malloc30.offset|=0, |main_#t~malloc32.base|=20, |main_#t~malloc32.offset|=0] [?] CALL call ULTIMATE.init(); VAL [#NULL.base=19, #NULL.offset=9, old(#NULL.base)=19, old(#NULL.offset)=9] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=19, old(#NULL.offset)=9] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=19, old(#NULL.offset)=9] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0] [?] CALL call #t~ret38 := main(); VAL [#NULL.base=0, #NULL.offset=0] [L585] call #t~malloc30.base, #t~malloc30.offset := #Ultimate.alloc(8); [L585] ~a~0.base, ~a~0.offset := #t~malloc30.base, #t~malloc30.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, ~a~0.base=14, ~a~0.offset=0] [L586] assume !(~a~0.base == 0 && ~a~0.offset == 0); VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, ~a~0.base=14, ~a~0.offset=0] [L587] havoc ~t~0.base, ~t~0.offset; [L588] ~p~0.base, ~p~0.offset := ~a~0.base, ~a~0.offset; [L589] call write~int(2, ~a~0.base, ~a~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, ~a~0.base=14, ~a~0.offset=0, ~p~0.base=14, ~p~0.offset=0] [L590] assume -2147483648 <= #t~nondet31 && #t~nondet31 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, #t~nondet31=1, ~a~0.base=14, ~a~0.offset=0, ~p~0.base=14, ~p~0.offset=0] [L590-L596] assume !!(0 != #t~nondet31); [L590] havoc #t~nondet31; [L591] call write~int(1, ~p~0.base, ~p~0.offset, 4); [L592] call #t~malloc32.base, #t~malloc32.offset := #Ultimate.alloc(8); [L592] ~t~0.base, ~t~0.offset := #t~malloc32.base, #t~malloc32.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, #t~malloc32.base=20, #t~malloc32.offset=0, ~a~0.base=14, ~a~0.offset=0, ~p~0.base=14, ~p~0.offset=0, ~t~0.base=20, ~t~0.offset=0] [L593] assume !(~t~0.base == 0 && ~t~0.offset == 0); VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, #t~malloc32.base=20, #t~malloc32.offset=0, ~a~0.base=14, ~a~0.offset=0, ~p~0.base=14, ~p~0.offset=0, ~t~0.base=20, ~t~0.offset=0] [L594] call write~$Pointer$(~t~0.base, ~t~0.offset, ~p~0.base, 4 + ~p~0.offset, 4); [L595] call #t~mem33.base, #t~mem33.offset := read~$Pointer$(~p~0.base, 4 + ~p~0.offset, 4); [L595] ~p~0.base, ~p~0.offset := #t~mem33.base, #t~mem33.offset; [L595] havoc #t~mem33.base, #t~mem33.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, #t~malloc32.base=20, #t~malloc32.offset=0, ~a~0.base=14, ~a~0.offset=0, ~p~0.base=20, ~p~0.offset=0, ~t~0.base=20, ~t~0.offset=0] [L590] assume -2147483648 <= #t~nondet31 && #t~nondet31 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, #t~malloc32.base=20, #t~malloc32.offset=0, #t~nondet31=0, ~a~0.base=14, ~a~0.offset=0, ~p~0.base=20, ~p~0.offset=0, ~t~0.base=20, ~t~0.offset=0] [L590-L596] assume !(0 != #t~nondet31); [L590] havoc #t~nondet31; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, #t~malloc32.base=20, #t~malloc32.offset=0, ~a~0.base=14, ~a~0.offset=0, ~p~0.base=20, ~p~0.offset=0, ~t~0.base=20, ~t~0.offset=0] [L597] call write~int(2, ~p~0.base, ~p~0.offset, 4); [L598] call write~$Pointer$(0, 0, ~p~0.base, 4 + ~p~0.offset, 4); [L599] ~p~0.base, ~p~0.offset := ~a~0.base, ~a~0.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, #t~malloc32.base=20, #t~malloc32.offset=0, ~a~0.base=14, ~a~0.offset=0, ~p~0.base=14, ~p~0.offset=0, ~t~0.base=20, ~t~0.offset=0] [L600-L605] assume !!(~p~0.base != 0 || ~p~0.offset != 0); [L601] call #t~mem34 := read~int(~p~0.base, ~p~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, #t~malloc32.base=20, #t~malloc32.offset=0, #t~mem34=1, ~a~0.base=14, ~a~0.offset=0, ~p~0.base=14, ~p~0.offset=0, ~t~0.base=20, ~t~0.offset=0] [L601-L603] assume 2 != #t~mem34; [L601] havoc #t~mem34; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, #t~malloc32.base=20, #t~malloc32.offset=0, ~a~0.base=14, ~a~0.offset=0, ~p~0.base=14, ~p~0.offset=0, ~t~0.base=20, ~t~0.offset=0] [L602] assert false; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, #t~malloc32.base=20, #t~malloc32.offset=0, ~a~0.base=14, ~a~0.offset=0, ~p~0.base=14, ~p~0.offset=0, ~t~0.base=20, ~t~0.offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL.base=19, #NULL.offset=9, old(#NULL.base)=19, old(#NULL.offset)=9] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=19, old(#NULL.offset)=9] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=19, old(#NULL.offset)=9] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0] [?] CALL call #t~ret38 := main(); VAL [#NULL.base=0, #NULL.offset=0] [L585] call #t~malloc30.base, #t~malloc30.offset := #Ultimate.alloc(8); [L585] ~a~0.base, ~a~0.offset := #t~malloc30.base, #t~malloc30.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, ~a~0.base=14, ~a~0.offset=0] [L586] assume !(~a~0.base == 0 && ~a~0.offset == 0); VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, ~a~0.base=14, ~a~0.offset=0] [L587] havoc ~t~0.base, ~t~0.offset; [L588] ~p~0.base, ~p~0.offset := ~a~0.base, ~a~0.offset; [L589] call write~int(2, ~a~0.base, ~a~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, ~a~0.base=14, ~a~0.offset=0, ~p~0.base=14, ~p~0.offset=0] [L590] assume -2147483648 <= #t~nondet31 && #t~nondet31 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, #t~nondet31=1, ~a~0.base=14, ~a~0.offset=0, ~p~0.base=14, ~p~0.offset=0] [L590-L596] assume !!(0 != #t~nondet31); [L590] havoc #t~nondet31; [L591] call write~int(1, ~p~0.base, ~p~0.offset, 4); [L592] call #t~malloc32.base, #t~malloc32.offset := #Ultimate.alloc(8); [L592] ~t~0.base, ~t~0.offset := #t~malloc32.base, #t~malloc32.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, #t~malloc32.base=20, #t~malloc32.offset=0, ~a~0.base=14, ~a~0.offset=0, ~p~0.base=14, ~p~0.offset=0, ~t~0.base=20, ~t~0.offset=0] [L593] assume !(~t~0.base == 0 && ~t~0.offset == 0); VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, #t~malloc32.base=20, #t~malloc32.offset=0, ~a~0.base=14, ~a~0.offset=0, ~p~0.base=14, ~p~0.offset=0, ~t~0.base=20, ~t~0.offset=0] [L594] call write~$Pointer$(~t~0.base, ~t~0.offset, ~p~0.base, 4 + ~p~0.offset, 4); [L595] call #t~mem33.base, #t~mem33.offset := read~$Pointer$(~p~0.base, 4 + ~p~0.offset, 4); [L595] ~p~0.base, ~p~0.offset := #t~mem33.base, #t~mem33.offset; [L595] havoc #t~mem33.base, #t~mem33.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, #t~malloc32.base=20, #t~malloc32.offset=0, ~a~0.base=14, ~a~0.offset=0, ~p~0.base=20, ~p~0.offset=0, ~t~0.base=20, ~t~0.offset=0] [L590] assume -2147483648 <= #t~nondet31 && #t~nondet31 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, #t~malloc32.base=20, #t~malloc32.offset=0, #t~nondet31=0, ~a~0.base=14, ~a~0.offset=0, ~p~0.base=20, ~p~0.offset=0, ~t~0.base=20, ~t~0.offset=0] [L590-L596] assume !(0 != #t~nondet31); [L590] havoc #t~nondet31; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, #t~malloc32.base=20, #t~malloc32.offset=0, ~a~0.base=14, ~a~0.offset=0, ~p~0.base=20, ~p~0.offset=0, ~t~0.base=20, ~t~0.offset=0] [L597] call write~int(2, ~p~0.base, ~p~0.offset, 4); [L598] call write~$Pointer$(0, 0, ~p~0.base, 4 + ~p~0.offset, 4); [L599] ~p~0.base, ~p~0.offset := ~a~0.base, ~a~0.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, #t~malloc32.base=20, #t~malloc32.offset=0, ~a~0.base=14, ~a~0.offset=0, ~p~0.base=14, ~p~0.offset=0, ~t~0.base=20, ~t~0.offset=0] [L600-L605] assume !!(~p~0.base != 0 || ~p~0.offset != 0); [L601] call #t~mem34 := read~int(~p~0.base, ~p~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, #t~malloc32.base=20, #t~malloc32.offset=0, #t~mem34=1, ~a~0.base=14, ~a~0.offset=0, ~p~0.base=14, ~p~0.offset=0, ~t~0.base=20, ~t~0.offset=0] [L601-L603] assume 2 != #t~mem34; [L601] havoc #t~mem34; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, #t~malloc32.base=20, #t~malloc32.offset=0, ~a~0.base=14, ~a~0.offset=0, ~p~0.base=14, ~p~0.offset=0, ~t~0.base=20, ~t~0.offset=0] [L602] assert false; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, #t~malloc32.base=20, #t~malloc32.offset=0, ~a~0.base=14, ~a~0.offset=0, ~p~0.base=14, ~p~0.offset=0, ~t~0.base=20, ~t~0.offset=0] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=19, #NULL!offset=9, old(#NULL!base)=19, old(#NULL!offset)=9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=19, old(#NULL!offset)=9] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret38 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L585] FCALL call #t~malloc30 := #Ultimate.alloc(8); [L585] ~a~0 := #t~malloc30; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, ~a~0!base=14, ~a~0!offset=0] [L586] COND FALSE !(~a~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, ~a~0!base=14, ~a~0!offset=0] [L587] havoc ~t~0; [L588] ~p~0 := ~a~0; [L589] FCALL call write~int(2, { base: ~a~0!base, offset: ~a~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0] [L590] assume -2147483648 <= #t~nondet31 && #t~nondet31 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~nondet31=1, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0] [L590-L596] COND FALSE !(!(0 != #t~nondet31)) [L590] havoc #t~nondet31; [L591] FCALL call write~int(1, { base: ~p~0!base, offset: ~p~0!offset }, 4); [L592] FCALL call #t~malloc32 := #Ultimate.alloc(8); [L592] ~t~0 := #t~malloc32; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L593] COND FALSE !(~t~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L594] FCALL call write~$Pointer$(~t~0, { base: ~p~0!base, offset: 4 + ~p~0!offset }, 4); [L595] FCALL call #t~mem33 := read~$Pointer$({ base: ~p~0!base, offset: 4 + ~p~0!offset }, 4); [L595] ~p~0 := #t~mem33; [L595] havoc #t~mem33; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=20, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L590] assume -2147483648 <= #t~nondet31 && #t~nondet31 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, #t~nondet31=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=20, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L590-L596] COND TRUE !(0 != #t~nondet31) [L590] havoc #t~nondet31; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=20, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L597] FCALL call write~int(2, { base: ~p~0!base, offset: ~p~0!offset }, 4); [L598] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~p~0!base, offset: 4 + ~p~0!offset }, 4); [L599] ~p~0 := ~a~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L600-L605] COND FALSE !(!(~p~0 != { base: 0, offset: 0 })) [L601] FCALL call #t~mem34 := read~int({ base: ~p~0!base, offset: ~p~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, #t~mem34=1, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L601] COND TRUE 2 != #t~mem34 [L601] havoc #t~mem34; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L602] assert false; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=19, #NULL!offset=9, old(#NULL!base)=19, old(#NULL!offset)=9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=19, old(#NULL!offset)=9] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret38 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L585] FCALL call #t~malloc30 := #Ultimate.alloc(8); [L585] ~a~0 := #t~malloc30; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, ~a~0!base=14, ~a~0!offset=0] [L586] COND FALSE !(~a~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, ~a~0!base=14, ~a~0!offset=0] [L587] havoc ~t~0; [L588] ~p~0 := ~a~0; [L589] FCALL call write~int(2, { base: ~a~0!base, offset: ~a~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0] [L590] assume -2147483648 <= #t~nondet31 && #t~nondet31 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~nondet31=1, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0] [L590-L596] COND FALSE !(!(0 != #t~nondet31)) [L590] havoc #t~nondet31; [L591] FCALL call write~int(1, { base: ~p~0!base, offset: ~p~0!offset }, 4); [L592] FCALL call #t~malloc32 := #Ultimate.alloc(8); [L592] ~t~0 := #t~malloc32; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L593] COND FALSE !(~t~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L594] FCALL call write~$Pointer$(~t~0, { base: ~p~0!base, offset: 4 + ~p~0!offset }, 4); [L595] FCALL call #t~mem33 := read~$Pointer$({ base: ~p~0!base, offset: 4 + ~p~0!offset }, 4); [L595] ~p~0 := #t~mem33; [L595] havoc #t~mem33; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=20, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L590] assume -2147483648 <= #t~nondet31 && #t~nondet31 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, #t~nondet31=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=20, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L590-L596] COND TRUE !(0 != #t~nondet31) [L590] havoc #t~nondet31; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=20, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L597] FCALL call write~int(2, { base: ~p~0!base, offset: ~p~0!offset }, 4); [L598] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~p~0!base, offset: 4 + ~p~0!offset }, 4); [L599] ~p~0 := ~a~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L600-L605] COND FALSE !(!(~p~0 != { base: 0, offset: 0 })) [L601] FCALL call #t~mem34 := read~int({ base: ~p~0!base, offset: ~p~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, #t~mem34=1, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L601] COND TRUE 2 != #t~mem34 [L601] havoc #t~mem34; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L602] assert false; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=19, #NULL!offset=9, old(#NULL!base)=19, old(#NULL!offset)=9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=19, old(#NULL!offset)=9] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret38 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L585] FCALL call #t~malloc30 := #Ultimate.alloc(8); [L585] ~a~0 := #t~malloc30; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, ~a~0!base=14, ~a~0!offset=0] [L586] COND FALSE !(~a~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, ~a~0!base=14, ~a~0!offset=0] [L587] havoc ~t~0; [L588] ~p~0 := ~a~0; [L589] FCALL call write~int(2, { base: ~a~0!base, offset: ~a~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0] [L590] assume -2147483648 <= #t~nondet31 && #t~nondet31 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~nondet31=1, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0] [L590-L596] COND FALSE !(!(0 != #t~nondet31)) [L590] havoc #t~nondet31; [L591] FCALL call write~int(1, { base: ~p~0!base, offset: ~p~0!offset }, 4); [L592] FCALL call #t~malloc32 := #Ultimate.alloc(8); [L592] ~t~0 := #t~malloc32; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L593] COND FALSE !(~t~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L594] FCALL call write~$Pointer$(~t~0, { base: ~p~0!base, offset: 4 + ~p~0!offset }, 4); [L595] FCALL call #t~mem33 := read~$Pointer$({ base: ~p~0!base, offset: 4 + ~p~0!offset }, 4); [L595] ~p~0 := #t~mem33; [L595] havoc #t~mem33; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=20, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L590] assume -2147483648 <= #t~nondet31 && #t~nondet31 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, #t~nondet31=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=20, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L590-L596] COND TRUE !(0 != #t~nondet31) [L590] havoc #t~nondet31; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=20, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L597] FCALL call write~int(2, { base: ~p~0!base, offset: ~p~0!offset }, 4); [L598] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~p~0!base, offset: 4 + ~p~0!offset }, 4); [L599] ~p~0 := ~a~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L600-L605] COND FALSE !(!(~p~0 != { base: 0, offset: 0 })) [L601] FCALL call #t~mem34 := read~int({ base: ~p~0!base, offset: ~p~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, #t~mem34=1, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L601] COND TRUE 2 != #t~mem34 [L601] havoc #t~mem34; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L602] assert false; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=19, #NULL!offset=9, old(#NULL!base)=19, old(#NULL!offset)=9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=19, old(#NULL!offset)=9] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret38 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L585] FCALL call #t~malloc30 := #Ultimate.alloc(8); [L585] ~a~0 := #t~malloc30; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, ~a~0!base=14, ~a~0!offset=0] [L586] COND FALSE !(~a~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, ~a~0!base=14, ~a~0!offset=0] [L587] havoc ~t~0; [L588] ~p~0 := ~a~0; [L589] FCALL call write~int(2, { base: ~a~0!base, offset: ~a~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0] [L590] assume -2147483648 <= #t~nondet31 && #t~nondet31 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~nondet31=1, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0] [L590-L596] COND FALSE !(!(0 != #t~nondet31)) [L590] havoc #t~nondet31; [L591] FCALL call write~int(1, { base: ~p~0!base, offset: ~p~0!offset }, 4); [L592] FCALL call #t~malloc32 := #Ultimate.alloc(8); [L592] ~t~0 := #t~malloc32; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L593] COND FALSE !(~t~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L594] FCALL call write~$Pointer$(~t~0, { base: ~p~0!base, offset: 4 + ~p~0!offset }, 4); [L595] FCALL call #t~mem33 := read~$Pointer$({ base: ~p~0!base, offset: 4 + ~p~0!offset }, 4); [L595] ~p~0 := #t~mem33; [L595] havoc #t~mem33; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=20, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L590] assume -2147483648 <= #t~nondet31 && #t~nondet31 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, #t~nondet31=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=20, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L590-L596] COND TRUE !(0 != #t~nondet31) [L590] havoc #t~nondet31; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=20, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L597] FCALL call write~int(2, { base: ~p~0!base, offset: ~p~0!offset }, 4); [L598] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~p~0!base, offset: 4 + ~p~0!offset }, 4); [L599] ~p~0 := ~a~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L600-L605] COND FALSE !(!(~p~0 != { base: 0, offset: 0 })) [L601] FCALL call #t~mem34 := read~int({ base: ~p~0!base, offset: ~p~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, #t~mem34=1, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L601] COND TRUE 2 != #t~mem34 [L601] havoc #t~mem34; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L602] assert false; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L585] List a = (List) malloc(sizeof(struct node)); VAL [a={14:0}, malloc(sizeof(struct node))={14:0}] [L586] COND FALSE !(a == 0) VAL [a={14:0}, malloc(sizeof(struct node))={14:0}] [L587] List t; [L588] List p = a; [L589] a->h = 2 VAL [a={14:0}, malloc(sizeof(struct node))={14:0}, p={14:0}] [L590] COND TRUE __VERIFIER_nondet_int() [L591] p->h = 1 [L592] t = (List) malloc(sizeof(struct node)) VAL [a={14:0}, malloc(sizeof(struct node))={14:0}, malloc(sizeof(struct node))={20:0}, p={14:0}, t={20:0}] [L593] COND FALSE !(t == 0) VAL [a={14:0}, malloc(sizeof(struct node))={14:0}, malloc(sizeof(struct node))={20:0}, p={14:0}, t={20:0}] [L594] p->n = t [L595] EXPR p->n [L595] p = p->n [L590] COND FALSE !(__VERIFIER_nondet_int()) [L597] p->h = 2 [L598] p->n = 0 [L599] p = a VAL [a={14:0}, malloc(sizeof(struct node))={14:0}, malloc(sizeof(struct node))={20:0}, p={14:0}, t={20:0}] [L600] COND TRUE p!=0 [L601] EXPR p->h VAL [a={14:0}, malloc(sizeof(struct node))={14:0}, malloc(sizeof(struct node))={20:0}, p={14:0}, p->h=1, t={20:0}] [L601] COND TRUE p->h != 2 [L602] __VERIFIER_error() VAL [a={14:0}, malloc(sizeof(struct node))={14:0}, malloc(sizeof(struct node))={20:0}, p={14:0}, t={20:0}] ----- [2018-11-23 06:56:19,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:56:19 BoogieIcfgContainer [2018-11-23 06:56:19,650 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 06:56:19,650 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 06:56:19,650 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 06:56:19,651 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 06:56:19,651 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:56:18" (3/4) ... [2018-11-23 06:56:19,653 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); VAL [|#NULL.base|=19, |#NULL.offset|=9, |old(#NULL.base)|=19, |old(#NULL.offset)|=9] [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=19, |old(#NULL.offset)|=9] [?] assume true; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=19, |old(#NULL.offset)|=9] [?] RET #159#return; VAL [|#NULL.base|=0, |#NULL.offset|=0] [?] CALL call #t~ret38 := main(); VAL [|#NULL.base|=0, |#NULL.offset|=0] [?] call #t~malloc30.base, #t~malloc30.offset := #Ultimate.alloc(8);~a~0.base, ~a~0.offset := #t~malloc30.base, #t~malloc30.offset; VAL [main_~a~0.base=14, main_~a~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc30.base|=14, |main_#t~malloc30.offset|=0] [?] assume !(~a~0.base == 0 && ~a~0.offset == 0); VAL [main_~a~0.base=14, main_~a~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc30.base|=14, |main_#t~malloc30.offset|=0] [?] havoc ~t~0.base, ~t~0.offset;~p~0.base, ~p~0.offset := ~a~0.base, ~a~0.offset;call write~int(2, ~a~0.base, ~a~0.offset, 4); VAL [main_~a~0.base=14, main_~a~0.offset=0, main_~p~0.base=14, main_~p~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc30.base|=14, |main_#t~malloc30.offset|=0] [?] assume -2147483648 <= #t~nondet31 && #t~nondet31 <= 2147483647; VAL [main_~a~0.base=14, main_~a~0.offset=0, main_~p~0.base=14, main_~p~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc30.base|=14, |main_#t~malloc30.offset|=0, |main_#t~nondet31|=1] [?] assume !!(0 != #t~nondet31);havoc #t~nondet31;call write~int(1, ~p~0.base, ~p~0.offset, 4);call #t~malloc32.base, #t~malloc32.offset := #Ultimate.alloc(8);~t~0.base, ~t~0.offset := #t~malloc32.base, #t~malloc32.offset; VAL [main_~a~0.base=14, main_~a~0.offset=0, main_~p~0.base=14, main_~p~0.offset=0, main_~t~0.base=20, main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc30.base|=14, |main_#t~malloc30.offset|=0, |main_#t~malloc32.base|=20, |main_#t~malloc32.offset|=0] [?] assume !(~t~0.base == 0 && ~t~0.offset == 0); VAL [main_~a~0.base=14, main_~a~0.offset=0, main_~p~0.base=14, main_~p~0.offset=0, main_~t~0.base=20, main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc30.base|=14, |main_#t~malloc30.offset|=0, |main_#t~malloc32.base|=20, |main_#t~malloc32.offset|=0] [?] call write~$Pointer$(~t~0.base, ~t~0.offset, ~p~0.base, 4 + ~p~0.offset, 4);call #t~mem33.base, #t~mem33.offset := read~$Pointer$(~p~0.base, 4 + ~p~0.offset, 4);~p~0.base, ~p~0.offset := #t~mem33.base, #t~mem33.offset;havoc #t~mem33.base, #t~mem33.offset; VAL [main_~a~0.base=14, main_~a~0.offset=0, main_~p~0.base=20, main_~p~0.offset=0, main_~t~0.base=20, main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc30.base|=14, |main_#t~malloc30.offset|=0, |main_#t~malloc32.base|=20, |main_#t~malloc32.offset|=0] [?] assume -2147483648 <= #t~nondet31 && #t~nondet31 <= 2147483647; VAL [main_~a~0.base=14, main_~a~0.offset=0, main_~p~0.base=20, main_~p~0.offset=0, main_~t~0.base=20, main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc30.base|=14, |main_#t~malloc30.offset|=0, |main_#t~malloc32.base|=20, |main_#t~malloc32.offset|=0, |main_#t~nondet31|=0] [?] assume !(0 != #t~nondet31);havoc #t~nondet31; VAL [main_~a~0.base=14, main_~a~0.offset=0, main_~p~0.base=20, main_~p~0.offset=0, main_~t~0.base=20, main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc30.base|=14, |main_#t~malloc30.offset|=0, |main_#t~malloc32.base|=20, |main_#t~malloc32.offset|=0] [?] call write~int(2, ~p~0.base, ~p~0.offset, 4);call write~$Pointer$(0, 0, ~p~0.base, 4 + ~p~0.offset, 4);~p~0.base, ~p~0.offset := ~a~0.base, ~a~0.offset; VAL [main_~a~0.base=14, main_~a~0.offset=0, main_~p~0.base=14, main_~p~0.offset=0, main_~t~0.base=20, main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc30.base|=14, |main_#t~malloc30.offset|=0, |main_#t~malloc32.base|=20, |main_#t~malloc32.offset|=0] [?] assume !!(~p~0.base != 0 || ~p~0.offset != 0);call #t~mem34 := read~int(~p~0.base, ~p~0.offset, 4); VAL [main_~a~0.base=14, main_~a~0.offset=0, main_~p~0.base=14, main_~p~0.offset=0, main_~t~0.base=20, main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc30.base|=14, |main_#t~malloc30.offset|=0, |main_#t~malloc32.base|=20, |main_#t~malloc32.offset|=0, |main_#t~mem34|=1] [?] assume 2 != #t~mem34;havoc #t~mem34; VAL [main_~a~0.base=14, main_~a~0.offset=0, main_~p~0.base=14, main_~p~0.offset=0, main_~t~0.base=20, main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc30.base|=14, |main_#t~malloc30.offset|=0, |main_#t~malloc32.base|=20, |main_#t~malloc32.offset|=0] [?] assume !false; VAL [main_~a~0.base=14, main_~a~0.offset=0, main_~p~0.base=14, main_~p~0.offset=0, main_~t~0.base=20, main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc30.base|=14, |main_#t~malloc30.offset|=0, |main_#t~malloc32.base|=20, |main_#t~malloc32.offset|=0] [?] CALL call ULTIMATE.init(); VAL [#NULL.base=19, #NULL.offset=9, old(#NULL.base)=19, old(#NULL.offset)=9] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=19, old(#NULL.offset)=9] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=19, old(#NULL.offset)=9] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0] [?] CALL call #t~ret38 := main(); VAL [#NULL.base=0, #NULL.offset=0] [L585] call #t~malloc30.base, #t~malloc30.offset := #Ultimate.alloc(8); [L585] ~a~0.base, ~a~0.offset := #t~malloc30.base, #t~malloc30.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, ~a~0.base=14, ~a~0.offset=0] [L586] assume !(~a~0.base == 0 && ~a~0.offset == 0); VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, ~a~0.base=14, ~a~0.offset=0] [L587] havoc ~t~0.base, ~t~0.offset; [L588] ~p~0.base, ~p~0.offset := ~a~0.base, ~a~0.offset; [L589] call write~int(2, ~a~0.base, ~a~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, ~a~0.base=14, ~a~0.offset=0, ~p~0.base=14, ~p~0.offset=0] [L590] assume -2147483648 <= #t~nondet31 && #t~nondet31 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, #t~nondet31=1, ~a~0.base=14, ~a~0.offset=0, ~p~0.base=14, ~p~0.offset=0] [L590-L596] assume !!(0 != #t~nondet31); [L590] havoc #t~nondet31; [L591] call write~int(1, ~p~0.base, ~p~0.offset, 4); [L592] call #t~malloc32.base, #t~malloc32.offset := #Ultimate.alloc(8); [L592] ~t~0.base, ~t~0.offset := #t~malloc32.base, #t~malloc32.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, #t~malloc32.base=20, #t~malloc32.offset=0, ~a~0.base=14, ~a~0.offset=0, ~p~0.base=14, ~p~0.offset=0, ~t~0.base=20, ~t~0.offset=0] [L593] assume !(~t~0.base == 0 && ~t~0.offset == 0); VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, #t~malloc32.base=20, #t~malloc32.offset=0, ~a~0.base=14, ~a~0.offset=0, ~p~0.base=14, ~p~0.offset=0, ~t~0.base=20, ~t~0.offset=0] [L594] call write~$Pointer$(~t~0.base, ~t~0.offset, ~p~0.base, 4 + ~p~0.offset, 4); [L595] call #t~mem33.base, #t~mem33.offset := read~$Pointer$(~p~0.base, 4 + ~p~0.offset, 4); [L595] ~p~0.base, ~p~0.offset := #t~mem33.base, #t~mem33.offset; [L595] havoc #t~mem33.base, #t~mem33.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, #t~malloc32.base=20, #t~malloc32.offset=0, ~a~0.base=14, ~a~0.offset=0, ~p~0.base=20, ~p~0.offset=0, ~t~0.base=20, ~t~0.offset=0] [L590] assume -2147483648 <= #t~nondet31 && #t~nondet31 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, #t~malloc32.base=20, #t~malloc32.offset=0, #t~nondet31=0, ~a~0.base=14, ~a~0.offset=0, ~p~0.base=20, ~p~0.offset=0, ~t~0.base=20, ~t~0.offset=0] [L590-L596] assume !(0 != #t~nondet31); [L590] havoc #t~nondet31; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, #t~malloc32.base=20, #t~malloc32.offset=0, ~a~0.base=14, ~a~0.offset=0, ~p~0.base=20, ~p~0.offset=0, ~t~0.base=20, ~t~0.offset=0] [L597] call write~int(2, ~p~0.base, ~p~0.offset, 4); [L598] call write~$Pointer$(0, 0, ~p~0.base, 4 + ~p~0.offset, 4); [L599] ~p~0.base, ~p~0.offset := ~a~0.base, ~a~0.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, #t~malloc32.base=20, #t~malloc32.offset=0, ~a~0.base=14, ~a~0.offset=0, ~p~0.base=14, ~p~0.offset=0, ~t~0.base=20, ~t~0.offset=0] [L600-L605] assume !!(~p~0.base != 0 || ~p~0.offset != 0); [L601] call #t~mem34 := read~int(~p~0.base, ~p~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, #t~malloc32.base=20, #t~malloc32.offset=0, #t~mem34=1, ~a~0.base=14, ~a~0.offset=0, ~p~0.base=14, ~p~0.offset=0, ~t~0.base=20, ~t~0.offset=0] [L601-L603] assume 2 != #t~mem34; [L601] havoc #t~mem34; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, #t~malloc32.base=20, #t~malloc32.offset=0, ~a~0.base=14, ~a~0.offset=0, ~p~0.base=14, ~p~0.offset=0, ~t~0.base=20, ~t~0.offset=0] [L602] assert false; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, #t~malloc32.base=20, #t~malloc32.offset=0, ~a~0.base=14, ~a~0.offset=0, ~p~0.base=14, ~p~0.offset=0, ~t~0.base=20, ~t~0.offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL.base=19, #NULL.offset=9, old(#NULL.base)=19, old(#NULL.offset)=9] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=19, old(#NULL.offset)=9] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=19, old(#NULL.offset)=9] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0] [?] CALL call #t~ret38 := main(); VAL [#NULL.base=0, #NULL.offset=0] [L585] call #t~malloc30.base, #t~malloc30.offset := #Ultimate.alloc(8); [L585] ~a~0.base, ~a~0.offset := #t~malloc30.base, #t~malloc30.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, ~a~0.base=14, ~a~0.offset=0] [L586] assume !(~a~0.base == 0 && ~a~0.offset == 0); VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, ~a~0.base=14, ~a~0.offset=0] [L587] havoc ~t~0.base, ~t~0.offset; [L588] ~p~0.base, ~p~0.offset := ~a~0.base, ~a~0.offset; [L589] call write~int(2, ~a~0.base, ~a~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, ~a~0.base=14, ~a~0.offset=0, ~p~0.base=14, ~p~0.offset=0] [L590] assume -2147483648 <= #t~nondet31 && #t~nondet31 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, #t~nondet31=1, ~a~0.base=14, ~a~0.offset=0, ~p~0.base=14, ~p~0.offset=0] [L590-L596] assume !!(0 != #t~nondet31); [L590] havoc #t~nondet31; [L591] call write~int(1, ~p~0.base, ~p~0.offset, 4); [L592] call #t~malloc32.base, #t~malloc32.offset := #Ultimate.alloc(8); [L592] ~t~0.base, ~t~0.offset := #t~malloc32.base, #t~malloc32.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, #t~malloc32.base=20, #t~malloc32.offset=0, ~a~0.base=14, ~a~0.offset=0, ~p~0.base=14, ~p~0.offset=0, ~t~0.base=20, ~t~0.offset=0] [L593] assume !(~t~0.base == 0 && ~t~0.offset == 0); VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, #t~malloc32.base=20, #t~malloc32.offset=0, ~a~0.base=14, ~a~0.offset=0, ~p~0.base=14, ~p~0.offset=0, ~t~0.base=20, ~t~0.offset=0] [L594] call write~$Pointer$(~t~0.base, ~t~0.offset, ~p~0.base, 4 + ~p~0.offset, 4); [L595] call #t~mem33.base, #t~mem33.offset := read~$Pointer$(~p~0.base, 4 + ~p~0.offset, 4); [L595] ~p~0.base, ~p~0.offset := #t~mem33.base, #t~mem33.offset; [L595] havoc #t~mem33.base, #t~mem33.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, #t~malloc32.base=20, #t~malloc32.offset=0, ~a~0.base=14, ~a~0.offset=0, ~p~0.base=20, ~p~0.offset=0, ~t~0.base=20, ~t~0.offset=0] [L590] assume -2147483648 <= #t~nondet31 && #t~nondet31 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, #t~malloc32.base=20, #t~malloc32.offset=0, #t~nondet31=0, ~a~0.base=14, ~a~0.offset=0, ~p~0.base=20, ~p~0.offset=0, ~t~0.base=20, ~t~0.offset=0] [L590-L596] assume !(0 != #t~nondet31); [L590] havoc #t~nondet31; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, #t~malloc32.base=20, #t~malloc32.offset=0, ~a~0.base=14, ~a~0.offset=0, ~p~0.base=20, ~p~0.offset=0, ~t~0.base=20, ~t~0.offset=0] [L597] call write~int(2, ~p~0.base, ~p~0.offset, 4); [L598] call write~$Pointer$(0, 0, ~p~0.base, 4 + ~p~0.offset, 4); [L599] ~p~0.base, ~p~0.offset := ~a~0.base, ~a~0.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, #t~malloc32.base=20, #t~malloc32.offset=0, ~a~0.base=14, ~a~0.offset=0, ~p~0.base=14, ~p~0.offset=0, ~t~0.base=20, ~t~0.offset=0] [L600-L605] assume !!(~p~0.base != 0 || ~p~0.offset != 0); [L601] call #t~mem34 := read~int(~p~0.base, ~p~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, #t~malloc32.base=20, #t~malloc32.offset=0, #t~mem34=1, ~a~0.base=14, ~a~0.offset=0, ~p~0.base=14, ~p~0.offset=0, ~t~0.base=20, ~t~0.offset=0] [L601-L603] assume 2 != #t~mem34; [L601] havoc #t~mem34; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, #t~malloc32.base=20, #t~malloc32.offset=0, ~a~0.base=14, ~a~0.offset=0, ~p~0.base=14, ~p~0.offset=0, ~t~0.base=20, ~t~0.offset=0] [L602] assert false; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc30.base=14, #t~malloc30.offset=0, #t~malloc32.base=20, #t~malloc32.offset=0, ~a~0.base=14, ~a~0.offset=0, ~p~0.base=14, ~p~0.offset=0, ~t~0.base=20, ~t~0.offset=0] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=19, #NULL!offset=9, old(#NULL!base)=19, old(#NULL!offset)=9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=19, old(#NULL!offset)=9] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret38 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L585] FCALL call #t~malloc30 := #Ultimate.alloc(8); [L585] ~a~0 := #t~malloc30; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, ~a~0!base=14, ~a~0!offset=0] [L586] COND FALSE !(~a~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, ~a~0!base=14, ~a~0!offset=0] [L587] havoc ~t~0; [L588] ~p~0 := ~a~0; [L589] FCALL call write~int(2, { base: ~a~0!base, offset: ~a~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0] [L590] assume -2147483648 <= #t~nondet31 && #t~nondet31 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~nondet31=1, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0] [L590-L596] COND FALSE !(!(0 != #t~nondet31)) [L590] havoc #t~nondet31; [L591] FCALL call write~int(1, { base: ~p~0!base, offset: ~p~0!offset }, 4); [L592] FCALL call #t~malloc32 := #Ultimate.alloc(8); [L592] ~t~0 := #t~malloc32; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L593] COND FALSE !(~t~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L594] FCALL call write~$Pointer$(~t~0, { base: ~p~0!base, offset: 4 + ~p~0!offset }, 4); [L595] FCALL call #t~mem33 := read~$Pointer$({ base: ~p~0!base, offset: 4 + ~p~0!offset }, 4); [L595] ~p~0 := #t~mem33; [L595] havoc #t~mem33; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=20, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L590] assume -2147483648 <= #t~nondet31 && #t~nondet31 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, #t~nondet31=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=20, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L590-L596] COND TRUE !(0 != #t~nondet31) [L590] havoc #t~nondet31; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=20, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L597] FCALL call write~int(2, { base: ~p~0!base, offset: ~p~0!offset }, 4); [L598] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~p~0!base, offset: 4 + ~p~0!offset }, 4); [L599] ~p~0 := ~a~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L600-L605] COND FALSE !(!(~p~0 != { base: 0, offset: 0 })) [L601] FCALL call #t~mem34 := read~int({ base: ~p~0!base, offset: ~p~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, #t~mem34=1, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L601] COND TRUE 2 != #t~mem34 [L601] havoc #t~mem34; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L602] assert false; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=19, #NULL!offset=9, old(#NULL!base)=19, old(#NULL!offset)=9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=19, old(#NULL!offset)=9] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret38 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L585] FCALL call #t~malloc30 := #Ultimate.alloc(8); [L585] ~a~0 := #t~malloc30; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, ~a~0!base=14, ~a~0!offset=0] [L586] COND FALSE !(~a~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, ~a~0!base=14, ~a~0!offset=0] [L587] havoc ~t~0; [L588] ~p~0 := ~a~0; [L589] FCALL call write~int(2, { base: ~a~0!base, offset: ~a~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0] [L590] assume -2147483648 <= #t~nondet31 && #t~nondet31 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~nondet31=1, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0] [L590-L596] COND FALSE !(!(0 != #t~nondet31)) [L590] havoc #t~nondet31; [L591] FCALL call write~int(1, { base: ~p~0!base, offset: ~p~0!offset }, 4); [L592] FCALL call #t~malloc32 := #Ultimate.alloc(8); [L592] ~t~0 := #t~malloc32; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L593] COND FALSE !(~t~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L594] FCALL call write~$Pointer$(~t~0, { base: ~p~0!base, offset: 4 + ~p~0!offset }, 4); [L595] FCALL call #t~mem33 := read~$Pointer$({ base: ~p~0!base, offset: 4 + ~p~0!offset }, 4); [L595] ~p~0 := #t~mem33; [L595] havoc #t~mem33; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=20, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L590] assume -2147483648 <= #t~nondet31 && #t~nondet31 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, #t~nondet31=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=20, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L590-L596] COND TRUE !(0 != #t~nondet31) [L590] havoc #t~nondet31; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=20, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L597] FCALL call write~int(2, { base: ~p~0!base, offset: ~p~0!offset }, 4); [L598] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~p~0!base, offset: 4 + ~p~0!offset }, 4); [L599] ~p~0 := ~a~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L600-L605] COND FALSE !(!(~p~0 != { base: 0, offset: 0 })) [L601] FCALL call #t~mem34 := read~int({ base: ~p~0!base, offset: ~p~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, #t~mem34=1, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L601] COND TRUE 2 != #t~mem34 [L601] havoc #t~mem34; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L602] assert false; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=19, #NULL!offset=9, old(#NULL!base)=19, old(#NULL!offset)=9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=19, old(#NULL!offset)=9] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret38 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L585] FCALL call #t~malloc30 := #Ultimate.alloc(8); [L585] ~a~0 := #t~malloc30; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, ~a~0!base=14, ~a~0!offset=0] [L586] COND FALSE !(~a~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, ~a~0!base=14, ~a~0!offset=0] [L587] havoc ~t~0; [L588] ~p~0 := ~a~0; [L589] FCALL call write~int(2, { base: ~a~0!base, offset: ~a~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0] [L590] assume -2147483648 <= #t~nondet31 && #t~nondet31 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~nondet31=1, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0] [L590-L596] COND FALSE !(!(0 != #t~nondet31)) [L590] havoc #t~nondet31; [L591] FCALL call write~int(1, { base: ~p~0!base, offset: ~p~0!offset }, 4); [L592] FCALL call #t~malloc32 := #Ultimate.alloc(8); [L592] ~t~0 := #t~malloc32; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L593] COND FALSE !(~t~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L594] FCALL call write~$Pointer$(~t~0, { base: ~p~0!base, offset: 4 + ~p~0!offset }, 4); [L595] FCALL call #t~mem33 := read~$Pointer$({ base: ~p~0!base, offset: 4 + ~p~0!offset }, 4); [L595] ~p~0 := #t~mem33; [L595] havoc #t~mem33; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=20, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L590] assume -2147483648 <= #t~nondet31 && #t~nondet31 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, #t~nondet31=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=20, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L590-L596] COND TRUE !(0 != #t~nondet31) [L590] havoc #t~nondet31; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=20, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L597] FCALL call write~int(2, { base: ~p~0!base, offset: ~p~0!offset }, 4); [L598] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~p~0!base, offset: 4 + ~p~0!offset }, 4); [L599] ~p~0 := ~a~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L600-L605] COND FALSE !(!(~p~0 != { base: 0, offset: 0 })) [L601] FCALL call #t~mem34 := read~int({ base: ~p~0!base, offset: ~p~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, #t~mem34=1, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L601] COND TRUE 2 != #t~mem34 [L601] havoc #t~mem34; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L602] assert false; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=19, #NULL!offset=9, old(#NULL!base)=19, old(#NULL!offset)=9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=19, old(#NULL!offset)=9] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret38 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L585] FCALL call #t~malloc30 := #Ultimate.alloc(8); [L585] ~a~0 := #t~malloc30; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, ~a~0!base=14, ~a~0!offset=0] [L586] COND FALSE !(~a~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, ~a~0!base=14, ~a~0!offset=0] [L587] havoc ~t~0; [L588] ~p~0 := ~a~0; [L589] FCALL call write~int(2, { base: ~a~0!base, offset: ~a~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0] [L590] assume -2147483648 <= #t~nondet31 && #t~nondet31 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~nondet31=1, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0] [L590-L596] COND FALSE !(!(0 != #t~nondet31)) [L590] havoc #t~nondet31; [L591] FCALL call write~int(1, { base: ~p~0!base, offset: ~p~0!offset }, 4); [L592] FCALL call #t~malloc32 := #Ultimate.alloc(8); [L592] ~t~0 := #t~malloc32; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L593] COND FALSE !(~t~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L594] FCALL call write~$Pointer$(~t~0, { base: ~p~0!base, offset: 4 + ~p~0!offset }, 4); [L595] FCALL call #t~mem33 := read~$Pointer$({ base: ~p~0!base, offset: 4 + ~p~0!offset }, 4); [L595] ~p~0 := #t~mem33; [L595] havoc #t~mem33; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=20, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L590] assume -2147483648 <= #t~nondet31 && #t~nondet31 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, #t~nondet31=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=20, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L590-L596] COND TRUE !(0 != #t~nondet31) [L590] havoc #t~nondet31; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=20, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L597] FCALL call write~int(2, { base: ~p~0!base, offset: ~p~0!offset }, 4); [L598] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~p~0!base, offset: 4 + ~p~0!offset }, 4); [L599] ~p~0 := ~a~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L600-L605] COND FALSE !(!(~p~0 != { base: 0, offset: 0 })) [L601] FCALL call #t~mem34 := read~int({ base: ~p~0!base, offset: ~p~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, #t~mem34=1, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L601] COND TRUE 2 != #t~mem34 [L601] havoc #t~mem34; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L602] assert false; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc30!base=14, #t~malloc30!offset=0, #t~malloc32!base=20, #t~malloc32!offset=0, ~a~0!base=14, ~a~0!offset=0, ~p~0!base=14, ~p~0!offset=0, ~t~0!base=20, ~t~0!offset=0] [L585] List a = (List) malloc(sizeof(struct node)); VAL [a={14:0}, malloc(sizeof(struct node))={14:0}] [L586] COND FALSE !(a == 0) VAL [a={14:0}, malloc(sizeof(struct node))={14:0}] [L587] List t; [L588] List p = a; [L589] a->h = 2 VAL [a={14:0}, malloc(sizeof(struct node))={14:0}, p={14:0}] [L590] COND TRUE __VERIFIER_nondet_int() [L591] p->h = 1 [L592] t = (List) malloc(sizeof(struct node)) VAL [a={14:0}, malloc(sizeof(struct node))={14:0}, malloc(sizeof(struct node))={20:0}, p={14:0}, t={20:0}] [L593] COND FALSE !(t == 0) VAL [a={14:0}, malloc(sizeof(struct node))={14:0}, malloc(sizeof(struct node))={20:0}, p={14:0}, t={20:0}] [L594] p->n = t [L595] EXPR p->n [L595] p = p->n [L590] COND FALSE !(__VERIFIER_nondet_int()) [L597] p->h = 2 [L598] p->n = 0 [L599] p = a VAL [a={14:0}, malloc(sizeof(struct node))={14:0}, malloc(sizeof(struct node))={20:0}, p={14:0}, t={20:0}] [L600] COND TRUE p!=0 [L601] EXPR p->h VAL [a={14:0}, malloc(sizeof(struct node))={14:0}, malloc(sizeof(struct node))={20:0}, p={14:0}, p->h=1, t={20:0}] [L601] COND TRUE p->h != 2 [L602] __VERIFIER_error() VAL [a={14:0}, malloc(sizeof(struct node))={14:0}, malloc(sizeof(struct node))={20:0}, p={14:0}, t={20:0}] ----- [2018-11-23 06:56:19,698 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9e66e499-bd65-4357-b3ea-f601c5c960b8/bin-2019/uautomizer/witness.graphml [2018-11-23 06:56:19,699 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 06:56:19,699 INFO L168 Benchmark]: Toolchain (without parser) took 1690.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 956.4 MB in the beginning and 993.8 MB in the end (delta: -37.4 MB). Peak memory consumption was 108.9 MB. Max. memory is 11.5 GB. [2018-11-23 06:56:19,701 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:56:19,701 INFO L168 Benchmark]: CACSL2BoogieTranslator took 367.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -174.2 MB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. [2018-11-23 06:56:19,701 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:56:19,702 INFO L168 Benchmark]: Boogie Preprocessor took 29.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 06:56:19,702 INFO L168 Benchmark]: RCFGBuilder took 340.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 37.4 MB). Peak memory consumption was 37.4 MB. Max. memory is 11.5 GB. [2018-11-23 06:56:19,702 INFO L168 Benchmark]: TraceAbstraction took 879.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 89.5 MB). Peak memory consumption was 89.5 MB. Max. memory is 11.5 GB. [2018-11-23 06:56:19,703 INFO L168 Benchmark]: Witness Printer took 48.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 993.8 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-23 06:56:19,705 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 367.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -174.2 MB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 340.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 37.4 MB). Peak memory consumption was 37.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 879.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 89.5 MB). Peak memory consumption was 89.5 MB. Max. memory is 11.5 GB. * Witness Printer took 48.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 993.8 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 602]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L585] List a = (List) malloc(sizeof(struct node)); VAL [a={14:0}, malloc(sizeof(struct node))={14:0}] [L586] COND FALSE !(a == 0) VAL [a={14:0}, malloc(sizeof(struct node))={14:0}] [L587] List t; [L588] List p = a; [L589] a->h = 2 VAL [a={14:0}, malloc(sizeof(struct node))={14:0}, p={14:0}] [L590] COND TRUE __VERIFIER_nondet_int() [L591] p->h = 1 [L592] t = (List) malloc(sizeof(struct node)) VAL [a={14:0}, malloc(sizeof(struct node))={14:0}, malloc(sizeof(struct node))={20:0}, p={14:0}, t={20:0}] [L593] COND FALSE !(t == 0) VAL [a={14:0}, malloc(sizeof(struct node))={14:0}, malloc(sizeof(struct node))={20:0}, p={14:0}, t={20:0}] [L594] p->n = t [L595] EXPR p->n [L595] p = p->n [L590] COND FALSE !(__VERIFIER_nondet_int()) [L597] p->h = 2 [L598] p->n = 0 [L599] p = a VAL [a={14:0}, malloc(sizeof(struct node))={14:0}, malloc(sizeof(struct node))={20:0}, p={14:0}, t={20:0}] [L600] COND TRUE p!=0 [L601] EXPR p->h VAL [a={14:0}, malloc(sizeof(struct node))={14:0}, malloc(sizeof(struct node))={20:0}, p={14:0}, p->h=1, t={20:0}] [L601] COND TRUE p->h != 2 [L602] __VERIFIER_error() VAL [a={14:0}, malloc(sizeof(struct node))={14:0}, malloc(sizeof(struct node))={20:0}, p={14:0}, t={20:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 56 locations, 1 error locations. UNSAFE Result, 0.8s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 91 SDtfs, 39 SDslu, 75 SDs, 0 SdLazy, 54 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 15 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 4363 SizeOfPredicates, 7 NumberOfNonLiveVariables, 77 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 2/4 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...