./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/sll-optional_false-unreach-call_false-valid-memcleanup.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_250e1bb4-0814-47b7-a31d-2aa97049c1a9/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_250e1bb4-0814-47b7-a31d-2aa97049c1a9/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_250e1bb4-0814-47b7-a31d-2aa97049c1a9/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_250e1bb4-0814-47b7-a31d-2aa97049c1a9/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-optional_false-unreach-call_false-valid-memcleanup.i -s /tmp/vcloud-vcloud-master/worker/working_dir_250e1bb4-0814-47b7-a31d-2aa97049c1a9/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_250e1bb4-0814-47b7-a31d-2aa97049c1a9/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 9782fe34c3bae6ab09bbe7588de1b0d436c1fccc .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 [2018-11-22 23:41:26,663 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 23:41:26,664 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 23:41:26,673 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 23:41:26,674 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 23:41:26,674 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 23:41:26,675 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 23:41:26,676 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 23:41:26,677 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 23:41:26,678 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 23:41:26,679 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 23:41:26,679 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 23:41:26,680 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 23:41:26,680 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 23:41:26,681 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 23:41:26,682 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 23:41:26,683 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 23:41:26,684 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 23:41:26,685 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 23:41:26,687 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 23:41:26,688 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 23:41:26,688 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 23:41:26,690 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 23:41:26,690 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 23:41:26,691 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 23:41:26,691 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 23:41:26,692 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 23:41:26,692 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 23:41:26,693 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 23:41:26,694 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 23:41:26,694 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 23:41:26,694 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 23:41:26,694 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 23:41:26,695 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 23:41:26,695 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 23:41:26,696 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 23:41:26,696 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_250e1bb4-0814-47b7-a31d-2aa97049c1a9/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-22 23:41:26,705 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 23:41:26,706 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 23:41:26,706 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 23:41:26,706 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 23:41:26,707 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 23:41:26,707 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 23:41:26,707 INFO L133 SettingsManager]: * Use SBE=true [2018-11-22 23:41:26,707 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 23:41:26,707 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 23:41:26,708 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 23:41:26,708 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 23:41:26,708 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 23:41:26,708 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 23:41:26,708 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 23:41:26,708 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 23:41:26,708 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 23:41:26,708 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 23:41:26,709 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 23:41:26,709 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 23:41:26,709 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 23:41:26,709 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 23:41:26,709 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 23:41:26,709 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 23:41:26,709 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 23:41:26,710 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 23:41:26,711 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 23:41:26,712 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 23:41:26,712 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-22 23:41:26,712 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 23:41:26,712 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 23:41:26,712 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_250e1bb4-0814-47b7-a31d-2aa97049c1a9/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 -> 9782fe34c3bae6ab09bbe7588de1b0d436c1fccc [2018-11-22 23:41:26,735 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 23:41:26,745 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 23:41:26,748 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 23:41:26,749 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 23:41:26,749 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 23:41:26,750 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_250e1bb4-0814-47b7-a31d-2aa97049c1a9/bin-2019/uautomizer/../../sv-benchmarks/c/forester-heap/sll-optional_false-unreach-call_false-valid-memcleanup.i [2018-11-22 23:41:26,790 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_250e1bb4-0814-47b7-a31d-2aa97049c1a9/bin-2019/uautomizer/data/f1a72f26b/08d7dcb27aee4789b08838cce7241ed2/FLAG8d5350b14 [2018-11-22 23:41:27,130 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 23:41:27,130 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_250e1bb4-0814-47b7-a31d-2aa97049c1a9/sv-benchmarks/c/forester-heap/sll-optional_false-unreach-call_false-valid-memcleanup.i [2018-11-22 23:41:27,137 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_250e1bb4-0814-47b7-a31d-2aa97049c1a9/bin-2019/uautomizer/data/f1a72f26b/08d7dcb27aee4789b08838cce7241ed2/FLAG8d5350b14 [2018-11-22 23:41:27,148 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_250e1bb4-0814-47b7-a31d-2aa97049c1a9/bin-2019/uautomizer/data/f1a72f26b/08d7dcb27aee4789b08838cce7241ed2 [2018-11-22 23:41:27,150 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 23:41:27,151 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 23:41:27,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 23:41:27,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 23:41:27,154 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 23:41:27,154 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:41:27" (1/1) ... [2018-11-22 23:41:27,156 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1de96508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:41:27, skipping insertion in model container [2018-11-22 23:41:27,156 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:41:27" (1/1) ... [2018-11-22 23:41:27,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 23:41:27,190 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 23:41:27,377 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:41:27,384 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 23:41:27,454 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:41:27,477 INFO L195 MainTranslator]: Completed translation [2018-11-22 23:41:27,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:41:27 WrapperNode [2018-11-22 23:41:27,478 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 23:41:27,478 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 23:41:27,478 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 23:41:27,478 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 23:41:27,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:41:27" (1/1) ... [2018-11-22 23:41:27,494 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:41:27" (1/1) ... [2018-11-22 23:41:27,501 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 23:41:27,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 23:41:27,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 23:41:27,502 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 23:41:27,508 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:41:27" (1/1) ... [2018-11-22 23:41:27,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:41:27" (1/1) ... [2018-11-22 23:41:27,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:41:27" (1/1) ... [2018-11-22 23:41:27,511 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:41:27" (1/1) ... [2018-11-22 23:41:27,519 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:41:27" (1/1) ... [2018-11-22 23:41:27,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:41:27" (1/1) ... [2018-11-22 23:41:27,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:41:27" (1/1) ... [2018-11-22 23:41:27,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 23:41:27,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 23:41:27,528 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 23:41:27,528 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 23:41:27,528 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:41:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_250e1bb4-0814-47b7-a31d-2aa97049c1a9/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 [2018-11-22 23:41:27,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 23:41:27,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-22 23:41:27,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-22 23:41:27,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 23:41:27,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 23:41:27,574 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 23:41:27,574 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 23:41:27,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-22 23:41:27,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-22 23:41:27,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-22 23:41:27,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 23:41:27,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 23:41:27,847 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 23:41:27,847 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-22 23:41:27,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:41:27 BoogieIcfgContainer [2018-11-22 23:41:27,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 23:41:27,848 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 23:41:27,848 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 23:41:27,851 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 23:41:27,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:41:27" (1/3) ... [2018-11-22 23:41:27,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c50f285 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:41:27, skipping insertion in model container [2018-11-22 23:41:27,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:41:27" (2/3) ... [2018-11-22 23:41:27,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c50f285 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:41:27, skipping insertion in model container [2018-11-22 23:41:27,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:41:27" (3/3) ... [2018-11-22 23:41:27,854 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-optional_false-unreach-call_false-valid-memcleanup.i [2018-11-22 23:41:27,862 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 23:41:27,869 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 23:41:27,883 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 23:41:27,907 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-22 23:41:27,908 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 23:41:27,908 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 23:41:27,908 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 23:41:27,908 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 23:41:27,908 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 23:41:27,909 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 23:41:27,909 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 23:41:27,909 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 23:41:27,923 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2018-11-22 23:41:27,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-22 23:41:27,929 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:41:27,929 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:41:27,932 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:41:27,936 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:41:27,937 INFO L82 PathProgramCache]: Analyzing trace with hash 90778063, now seen corresponding path program 1 times [2018-11-22 23:41:27,938 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:41:27,939 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:41:27,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:41:27,981 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:41:27,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:41:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:41:28,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:41:28,050 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:41:28,050 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-22 23:41:28,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-22 23:41:28,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-22 23:41:28,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-22 23:41:28,062 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 2 states. [2018-11-22 23:41:28,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:41:28,075 INFO L93 Difference]: Finished difference Result 49 states and 71 transitions. [2018-11-22 23:41:28,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-22 23:41:28,076 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2018-11-22 23:41:28,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:41:28,085 INFO L225 Difference]: With dead ends: 49 [2018-11-22 23:41:28,085 INFO L226 Difference]: Without dead ends: 22 [2018-11-22 23:41:28,088 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 [2018-11-22 23:41:28,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-11-22 23:41:28,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2018-11-22 23:41:28,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-11-22 23:41:28,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2018-11-22 23:41:28,111 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 28 transitions. Word has length 15 [2018-11-22 23:41:28,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:41:28,111 INFO L480 AbstractCegarLoop]: Abstraction has 22 states and 28 transitions. [2018-11-22 23:41:28,111 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-22 23:41:28,111 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2018-11-22 23:41:28,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-22 23:41:28,112 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:41:28,112 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:41:28,112 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:41:28,112 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:41:28,112 INFO L82 PathProgramCache]: Analyzing trace with hash -955807242, now seen corresponding path program 1 times [2018-11-22 23:41:28,113 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:41:28,113 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:41:28,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:41:28,114 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:41:28,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:41:28,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:41:28,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:41:28,181 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); VAL [|#NULL.base|=20, |#NULL.offset|=13, |old(#NULL.base)|=20, |old(#NULL.offset)|=13] [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=20, |old(#NULL.offset)|=13] [?] assume true; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=20, |old(#NULL.offset)|=13] [?] RET #104#return; VAL [|#NULL.base|=0, |#NULL.offset|=0] [?] CALL call #t~ret19 := main(); VAL [|#NULL.base|=0, |#NULL.offset|=0] [?] call #t~malloc0.base, #t~malloc0.offset := #Ultimate.alloc(12);~head~0.base, ~head~0.offset := #t~malloc0.base, #t~malloc0.offset;call write~$Pointer$(0, 0, ~head~0.base, ~head~0.offset, 4);assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [main_~head~0.base=18, main_~head~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=18, |main_#t~malloc0.offset|=0, |main_#t~nondet1|=1] [?] assume 0 != #t~nondet1;havoc #t~nondet1;call write~int(2, ~head~0.base, 8 + ~head~0.offset, 4);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.alloc(12);call write~$Pointer$(#t~malloc2.base, #t~malloc2.offset, ~head~0.base, 4 + ~head~0.offset, 4);call #t~mem3.base, #t~mem3.offset := read~$Pointer$(~head~0.base, 4 + ~head~0.offset, 4);call write~$Pointer$(0, 0, #t~mem3.base, #t~mem3.offset, 4);havoc #t~mem3.base, #t~mem3.offset; VAL [main_~head~0.base=18, main_~head~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=18, |main_#t~malloc0.offset|=0, |main_#t~malloc2.base|=15, |main_#t~malloc2.offset|=0] [?] ~x~0.base, ~x~0.offset := ~head~0.base, ~head~0.offset; VAL [main_~head~0.base=18, main_~head~0.offset=0, main_~x~0.base=18, main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=18, |main_#t~malloc0.offset|=0, |main_#t~malloc2.base|=15, |main_#t~malloc2.offset|=0] [?] assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; VAL [main_~head~0.base=18, main_~head~0.offset=0, main_~x~0.base=18, main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=18, |main_#t~malloc0.offset|=0, |main_#t~malloc2.base|=15, |main_#t~malloc2.offset|=0, |main_#t~nondet5|=0] [?] assume !(0 != #t~nondet5);havoc #t~nondet5; VAL [main_~head~0.base=18, main_~head~0.offset=0, main_~x~0.base=18, main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=18, |main_#t~malloc0.offset|=0, |main_#t~malloc2.base|=15, |main_#t~malloc2.offset|=0] [?] ~x~0.base, ~x~0.offset := ~head~0.base, ~head~0.offset; VAL [main_~head~0.base=18, main_~head~0.offset=0, main_~x~0.base=18, main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=18, |main_#t~malloc0.offset|=0, |main_#t~malloc2.base|=15, |main_#t~malloc2.offset|=0] [?] assume !!(~x~0.base != 0 || ~x~0.offset != 0); VAL [main_~head~0.base=18, main_~head~0.offset=0, main_~x~0.base=18, main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=18, |main_#t~malloc0.offset|=0, |main_#t~malloc2.base|=15, |main_#t~malloc2.offset|=0] [?] call #t~mem12 := read~int(~x~0.base, 8 + ~x~0.offset, 4);#t~short14 := 2 == #t~mem12; VAL [main_~head~0.base=18, main_~head~0.offset=0, main_~x~0.base=18, main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=18, |main_#t~malloc0.offset|=0, |main_#t~malloc2.base|=15, |main_#t~malloc2.offset|=0, |main_#t~mem12|=2, |main_#t~short14|=true] [?] assume #t~short14;call #t~mem13.base, #t~mem13.offset := read~$Pointer$(~x~0.base, 4 + ~x~0.offset, 4);#t~short14 := #t~mem13.base == ~x~0.base && #t~mem13.offset == ~x~0.offset; VAL [main_~head~0.base=18, main_~head~0.offset=0, main_~x~0.base=18, main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=18, |main_#t~malloc0.offset|=0, |main_#t~malloc2.base|=15, |main_#t~malloc2.offset|=0, |main_#t~mem12|=2, |main_#t~mem13.base|=15, |main_#t~mem13.offset|=0, |main_#t~short14|=false] [?] assume !#t~short14;havoc #t~mem12;havoc #t~mem13.base, #t~mem13.offset;havoc #t~short14; VAL [main_~head~0.base=18, main_~head~0.offset=0, main_~x~0.base=18, main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=18, |main_#t~malloc0.offset|=0, |main_#t~malloc2.base|=15, |main_#t~malloc2.offset|=0] [?] assume !false; VAL [main_~head~0.base=18, main_~head~0.offset=0, main_~x~0.base=18, main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=18, |main_#t~malloc0.offset|=0, |main_#t~malloc2.base|=15, |main_#t~malloc2.offset|=0] [?] CALL call ULTIMATE.init(); VAL [#NULL.base=20, #NULL.offset=13, old(#NULL.base)=20, old(#NULL.offset)=13] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=20, old(#NULL.offset)=13] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=20, old(#NULL.offset)=13] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0] [?] CALL call #t~ret19 := main(); VAL [#NULL.base=0, #NULL.offset=0] [L985] call #t~malloc0.base, #t~malloc0.offset := #Ultimate.alloc(12); [L985] ~head~0.base, ~head~0.offset := #t~malloc0.base, #t~malloc0.offset; [L986] call write~$Pointer$(0, 0, ~head~0.base, ~head~0.offset, 4); [L987] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=18, #t~malloc0.offset=0, #t~nondet1=1, ~head~0.base=18, ~head~0.offset=0] [L987] assume 0 != #t~nondet1; [L987] havoc #t~nondet1; [L987] call write~int(2, ~head~0.base, 8 + ~head~0.offset, 4); [L987] call #t~malloc2.base, #t~malloc2.offset := #Ultimate.alloc(12); [L987] call write~$Pointer$(#t~malloc2.base, #t~malloc2.offset, ~head~0.base, 4 + ~head~0.offset, 4); [L987] call #t~mem3.base, #t~mem3.offset := read~$Pointer$(~head~0.base, 4 + ~head~0.offset, 4); [L987] call write~$Pointer$(0, 0, #t~mem3.base, #t~mem3.offset, 4); [L987] havoc #t~mem3.base, #t~mem3.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=18, #t~malloc0.offset=0, #t~malloc2.base=15, #t~malloc2.offset=0, ~head~0.base=18, ~head~0.offset=0] [L988] ~x~0.base, ~x~0.offset := ~head~0.base, ~head~0.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=18, #t~malloc0.offset=0, #t~malloc2.base=15, #t~malloc2.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L990] assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=18, #t~malloc0.offset=0, #t~malloc2.base=15, #t~malloc2.offset=0, #t~nondet5=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L990] assume !(0 != #t~nondet5); [L990] havoc #t~nondet5; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=18, #t~malloc0.offset=0, #t~malloc2.base=15, #t~malloc2.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L993] ~x~0.base, ~x~0.offset := ~head~0.base, ~head~0.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=18, #t~malloc0.offset=0, #t~malloc2.base=15, #t~malloc2.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L994-L998] assume !!(~x~0.base != 0 || ~x~0.offset != 0); VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=18, #t~malloc0.offset=0, #t~malloc2.base=15, #t~malloc2.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L996] call #t~mem12 := read~int(~x~0.base, 8 + ~x~0.offset, 4); [L996] #t~short14 := 2 == #t~mem12; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=18, #t~malloc0.offset=0, #t~malloc2.base=15, #t~malloc2.offset=0, #t~mem12=2, #t~short14=true, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L996] assume #t~short14; [L996] call #t~mem13.base, #t~mem13.offset := read~$Pointer$(~x~0.base, 4 + ~x~0.offset, 4); [L996] #t~short14 := #t~mem13.base == ~x~0.base && #t~mem13.offset == ~x~0.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=18, #t~malloc0.offset=0, #t~malloc2.base=15, #t~malloc2.offset=0, #t~mem12=2, #t~mem13.base=15, #t~mem13.offset=0, #t~short14=false, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L996] assume !#t~short14; [L996] havoc #t~mem12; [L996] havoc #t~mem13.base, #t~mem13.offset; [L996] havoc #t~short14; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=18, #t~malloc0.offset=0, #t~malloc2.base=15, #t~malloc2.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L996] assert false; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=18, #t~malloc0.offset=0, #t~malloc2.base=15, #t~malloc2.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL.base=20, #NULL.offset=13, old(#NULL.base)=20, old(#NULL.offset)=13] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=20, old(#NULL.offset)=13] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=20, old(#NULL.offset)=13] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0] [?] CALL call #t~ret19 := main(); VAL [#NULL.base=0, #NULL.offset=0] [L985] call #t~malloc0.base, #t~malloc0.offset := #Ultimate.alloc(12); [L985] ~head~0.base, ~head~0.offset := #t~malloc0.base, #t~malloc0.offset; [L986] call write~$Pointer$(0, 0, ~head~0.base, ~head~0.offset, 4); [L987] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=18, #t~malloc0.offset=0, #t~nondet1=1, ~head~0.base=18, ~head~0.offset=0] [L987] assume 0 != #t~nondet1; [L987] havoc #t~nondet1; [L987] call write~int(2, ~head~0.base, 8 + ~head~0.offset, 4); [L987] call #t~malloc2.base, #t~malloc2.offset := #Ultimate.alloc(12); [L987] call write~$Pointer$(#t~malloc2.base, #t~malloc2.offset, ~head~0.base, 4 + ~head~0.offset, 4); [L987] call #t~mem3.base, #t~mem3.offset := read~$Pointer$(~head~0.base, 4 + ~head~0.offset, 4); [L987] call write~$Pointer$(0, 0, #t~mem3.base, #t~mem3.offset, 4); [L987] havoc #t~mem3.base, #t~mem3.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=18, #t~malloc0.offset=0, #t~malloc2.base=15, #t~malloc2.offset=0, ~head~0.base=18, ~head~0.offset=0] [L988] ~x~0.base, ~x~0.offset := ~head~0.base, ~head~0.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=18, #t~malloc0.offset=0, #t~malloc2.base=15, #t~malloc2.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L990] assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=18, #t~malloc0.offset=0, #t~malloc2.base=15, #t~malloc2.offset=0, #t~nondet5=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L990] assume !(0 != #t~nondet5); [L990] havoc #t~nondet5; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=18, #t~malloc0.offset=0, #t~malloc2.base=15, #t~malloc2.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L993] ~x~0.base, ~x~0.offset := ~head~0.base, ~head~0.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=18, #t~malloc0.offset=0, #t~malloc2.base=15, #t~malloc2.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L994-L998] assume !!(~x~0.base != 0 || ~x~0.offset != 0); VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=18, #t~malloc0.offset=0, #t~malloc2.base=15, #t~malloc2.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L996] call #t~mem12 := read~int(~x~0.base, 8 + ~x~0.offset, 4); [L996] #t~short14 := 2 == #t~mem12; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=18, #t~malloc0.offset=0, #t~malloc2.base=15, #t~malloc2.offset=0, #t~mem12=2, #t~short14=true, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L996] assume #t~short14; [L996] call #t~mem13.base, #t~mem13.offset := read~$Pointer$(~x~0.base, 4 + ~x~0.offset, 4); [L996] #t~short14 := #t~mem13.base == ~x~0.base && #t~mem13.offset == ~x~0.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=18, #t~malloc0.offset=0, #t~malloc2.base=15, #t~malloc2.offset=0, #t~mem12=2, #t~mem13.base=15, #t~mem13.offset=0, #t~short14=false, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L996] assume !#t~short14; [L996] havoc #t~mem12; [L996] havoc #t~mem13.base, #t~mem13.offset; [L996] havoc #t~short14; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=18, #t~malloc0.offset=0, #t~malloc2.base=15, #t~malloc2.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L996] assert false; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=18, #t~malloc0.offset=0, #t~malloc2.base=15, #t~malloc2.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=20, #NULL!offset=13, old(#NULL!base)=20, old(#NULL!offset)=13] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=20, old(#NULL!offset)=13] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret19 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L985] FCALL call #t~malloc0 := #Ultimate.alloc(12); [L985] ~head~0 := #t~malloc0; [L986] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: ~head~0!offset }, 4); [L987] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~nondet1=1, ~head~0!base=18, ~head~0!offset=0] [L987] COND TRUE 0 != #t~nondet1 [L987] havoc #t~nondet1; [L987] FCALL call write~int(2, { base: ~head~0!base, offset: 8 + ~head~0!offset }, 4); [L987] FCALL call #t~malloc2 := #Ultimate.alloc(12); [L987] FCALL call write~$Pointer$(#t~malloc2, { base: ~head~0!base, offset: 4 + ~head~0!offset }, 4); [L987] FCALL call #t~mem3 := read~$Pointer$({ base: ~head~0!base, offset: 4 + ~head~0!offset }, 4); [L987] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: #t~mem3!base, offset: #t~mem3!offset }, 4); [L987] havoc #t~mem3; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0] [L988] ~x~0 := ~head~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L990] assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, #t~nondet5=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L990] COND TRUE !(0 != #t~nondet5) [L990] havoc #t~nondet5; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L993] ~x~0 := ~head~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L994-L998] COND FALSE !(!(~x~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L996] FCALL call #t~mem12 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); [L996] #t~short14 := 2 == #t~mem12; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, #t~mem12=2, #t~short14=true, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L996] COND TRUE #t~short14 [L996] FCALL call #t~mem13 := read~$Pointer$({ base: ~x~0!base, offset: 4 + ~x~0!offset }, 4); [L996] #t~short14 := #t~mem13 == ~x~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, #t~mem12=2, #t~mem13!base=15, #t~mem13!offset=0, #t~short14=false, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L996] COND TRUE !#t~short14 [L996] havoc #t~mem12; [L996] havoc #t~mem13; [L996] havoc #t~short14; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L996] assert false; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=20, #NULL!offset=13, old(#NULL!base)=20, old(#NULL!offset)=13] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=20, old(#NULL!offset)=13] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret19 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L985] FCALL call #t~malloc0 := #Ultimate.alloc(12); [L985] ~head~0 := #t~malloc0; [L986] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: ~head~0!offset }, 4); [L987] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~nondet1=1, ~head~0!base=18, ~head~0!offset=0] [L987] COND TRUE 0 != #t~nondet1 [L987] havoc #t~nondet1; [L987] FCALL call write~int(2, { base: ~head~0!base, offset: 8 + ~head~0!offset }, 4); [L987] FCALL call #t~malloc2 := #Ultimate.alloc(12); [L987] FCALL call write~$Pointer$(#t~malloc2, { base: ~head~0!base, offset: 4 + ~head~0!offset }, 4); [L987] FCALL call #t~mem3 := read~$Pointer$({ base: ~head~0!base, offset: 4 + ~head~0!offset }, 4); [L987] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: #t~mem3!base, offset: #t~mem3!offset }, 4); [L987] havoc #t~mem3; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0] [L988] ~x~0 := ~head~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L990] assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, #t~nondet5=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L990] COND TRUE !(0 != #t~nondet5) [L990] havoc #t~nondet5; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L993] ~x~0 := ~head~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L994-L998] COND FALSE !(!(~x~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L996] FCALL call #t~mem12 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); [L996] #t~short14 := 2 == #t~mem12; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, #t~mem12=2, #t~short14=true, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L996] COND TRUE #t~short14 [L996] FCALL call #t~mem13 := read~$Pointer$({ base: ~x~0!base, offset: 4 + ~x~0!offset }, 4); [L996] #t~short14 := #t~mem13 == ~x~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, #t~mem12=2, #t~mem13!base=15, #t~mem13!offset=0, #t~short14=false, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L996] COND TRUE !#t~short14 [L996] havoc #t~mem12; [L996] havoc #t~mem13; [L996] havoc #t~short14; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L996] assert false; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=20, #NULL!offset=13, old(#NULL!base)=20, old(#NULL!offset)=13] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=20, old(#NULL!offset)=13] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret19 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L985] FCALL call #t~malloc0 := #Ultimate.alloc(12); [L985] ~head~0 := #t~malloc0; [L986] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: ~head~0!offset }, 4); [L987] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~nondet1=1, ~head~0!base=18, ~head~0!offset=0] [L987] COND TRUE 0 != #t~nondet1 [L987] havoc #t~nondet1; [L987] FCALL call write~int(2, { base: ~head~0!base, offset: 8 + ~head~0!offset }, 4); [L987] FCALL call #t~malloc2 := #Ultimate.alloc(12); [L987] FCALL call write~$Pointer$(#t~malloc2, { base: ~head~0!base, offset: 4 + ~head~0!offset }, 4); [L987] FCALL call #t~mem3 := read~$Pointer$({ base: ~head~0!base, offset: 4 + ~head~0!offset }, 4); [L987] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: #t~mem3!base, offset: #t~mem3!offset }, 4); [L987] havoc #t~mem3; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0] [L988] ~x~0 := ~head~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L990] assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, #t~nondet5=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L990] COND TRUE !(0 != #t~nondet5) [L990] havoc #t~nondet5; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L993] ~x~0 := ~head~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L994-L998] COND FALSE !(!(~x~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L996] FCALL call #t~mem12 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); [L996] #t~short14 := 2 == #t~mem12; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, #t~mem12=2, #t~short14=true, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L996] COND TRUE #t~short14 [L996] FCALL call #t~mem13 := read~$Pointer$({ base: ~x~0!base, offset: 4 + ~x~0!offset }, 4); [L996] #t~short14 := #t~mem13 == ~x~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, #t~mem12=2, #t~mem13!base=15, #t~mem13!offset=0, #t~short14=false, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L996] COND TRUE !#t~short14 [L996] havoc #t~mem12; [L996] havoc #t~mem13; [L996] havoc #t~short14; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L996] assert false; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=20, #NULL!offset=13, old(#NULL!base)=20, old(#NULL!offset)=13] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=20, old(#NULL!offset)=13] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret19 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L985] FCALL call #t~malloc0 := #Ultimate.alloc(12); [L985] ~head~0 := #t~malloc0; [L986] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: ~head~0!offset }, 4); [L987] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~nondet1=1, ~head~0!base=18, ~head~0!offset=0] [L987] COND TRUE 0 != #t~nondet1 [L987] havoc #t~nondet1; [L987] FCALL call write~int(2, { base: ~head~0!base, offset: 8 + ~head~0!offset }, 4); [L987] FCALL call #t~malloc2 := #Ultimate.alloc(12); [L987] FCALL call write~$Pointer$(#t~malloc2, { base: ~head~0!base, offset: 4 + ~head~0!offset }, 4); [L987] FCALL call #t~mem3 := read~$Pointer$({ base: ~head~0!base, offset: 4 + ~head~0!offset }, 4); [L987] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: #t~mem3!base, offset: #t~mem3!offset }, 4); [L987] havoc #t~mem3; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0] [L988] ~x~0 := ~head~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L990] assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, #t~nondet5=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L990] COND TRUE !(0 != #t~nondet5) [L990] havoc #t~nondet5; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L993] ~x~0 := ~head~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L994-L998] COND FALSE !(!(~x~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L996] FCALL call #t~mem12 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); [L996] #t~short14 := 2 == #t~mem12; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, #t~mem12=2, #t~short14=true, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L996] COND TRUE #t~short14 [L996] FCALL call #t~mem13 := read~$Pointer$({ base: ~x~0!base, offset: 4 + ~x~0!offset }, 4); [L996] #t~short14 := #t~mem13 == ~x~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, #t~mem12=2, #t~mem13!base=15, #t~mem13!offset=0, #t~short14=false, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L996] COND TRUE !#t~short14 [L996] havoc #t~mem12; [L996] havoc #t~mem13; [L996] havoc #t~short14; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L996] assert false; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L985] SLL* head = malloc(sizeof(SLL)); [L986] head->next = ((void*)0) [L987] COND TRUE __VERIFIER_nondet_int() [L987] head->data = 2 [L987] head->opt = malloc(sizeof(SLL)) [L987] EXPR head->opt [L987] head->opt->next = ((void*)0) [L988] SLL* x = head; VAL [head={18:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={18:0}, x={18:0}] [L990] COND FALSE !(__VERIFIER_nondet_int()) [L993] x = head VAL [head={18:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={18:0}, x={18:0}] [L994] COND TRUE x != ((void*)0) VAL [head={18:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={18:0}, x={18:0}] [L996] EXPR x->data [L996] EXPR x->data == 2 && x->opt == x [L996] EXPR x->opt [L996] EXPR x->data == 2 && x->opt == x VAL [head={18:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={18:0}, x={18:0}, x->data=2, x->data == 2 && x->opt == x=0, x->opt={15:0}] [L996] COND TRUE !(x->data == 2 && x->opt == x) [L996] __VERIFIER_error() VAL [head={18:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={18:0}, x={18:0}] ----- [2018-11-22 23:41:28,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 11:41:28 BoogieIcfgContainer [2018-11-22 23:41:28,214 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 23:41:28,215 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 23:41:28,215 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 23:41:28,215 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 23:41:28,215 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:41:27" (3/4) ... [2018-11-22 23:41:28,217 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|=20, |#NULL.offset|=13, |old(#NULL.base)|=20, |old(#NULL.offset)|=13] [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=20, |old(#NULL.offset)|=13] [?] assume true; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=20, |old(#NULL.offset)|=13] [?] RET #104#return; VAL [|#NULL.base|=0, |#NULL.offset|=0] [?] CALL call #t~ret19 := main(); VAL [|#NULL.base|=0, |#NULL.offset|=0] [?] call #t~malloc0.base, #t~malloc0.offset := #Ultimate.alloc(12);~head~0.base, ~head~0.offset := #t~malloc0.base, #t~malloc0.offset;call write~$Pointer$(0, 0, ~head~0.base, ~head~0.offset, 4);assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [main_~head~0.base=18, main_~head~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=18, |main_#t~malloc0.offset|=0, |main_#t~nondet1|=1] [?] assume 0 != #t~nondet1;havoc #t~nondet1;call write~int(2, ~head~0.base, 8 + ~head~0.offset, 4);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.alloc(12);call write~$Pointer$(#t~malloc2.base, #t~malloc2.offset, ~head~0.base, 4 + ~head~0.offset, 4);call #t~mem3.base, #t~mem3.offset := read~$Pointer$(~head~0.base, 4 + ~head~0.offset, 4);call write~$Pointer$(0, 0, #t~mem3.base, #t~mem3.offset, 4);havoc #t~mem3.base, #t~mem3.offset; VAL [main_~head~0.base=18, main_~head~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=18, |main_#t~malloc0.offset|=0, |main_#t~malloc2.base|=15, |main_#t~malloc2.offset|=0] [?] ~x~0.base, ~x~0.offset := ~head~0.base, ~head~0.offset; VAL [main_~head~0.base=18, main_~head~0.offset=0, main_~x~0.base=18, main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=18, |main_#t~malloc0.offset|=0, |main_#t~malloc2.base|=15, |main_#t~malloc2.offset|=0] [?] assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; VAL [main_~head~0.base=18, main_~head~0.offset=0, main_~x~0.base=18, main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=18, |main_#t~malloc0.offset|=0, |main_#t~malloc2.base|=15, |main_#t~malloc2.offset|=0, |main_#t~nondet5|=0] [?] assume !(0 != #t~nondet5);havoc #t~nondet5; VAL [main_~head~0.base=18, main_~head~0.offset=0, main_~x~0.base=18, main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=18, |main_#t~malloc0.offset|=0, |main_#t~malloc2.base|=15, |main_#t~malloc2.offset|=0] [?] ~x~0.base, ~x~0.offset := ~head~0.base, ~head~0.offset; VAL [main_~head~0.base=18, main_~head~0.offset=0, main_~x~0.base=18, main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=18, |main_#t~malloc0.offset|=0, |main_#t~malloc2.base|=15, |main_#t~malloc2.offset|=0] [?] assume !!(~x~0.base != 0 || ~x~0.offset != 0); VAL [main_~head~0.base=18, main_~head~0.offset=0, main_~x~0.base=18, main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=18, |main_#t~malloc0.offset|=0, |main_#t~malloc2.base|=15, |main_#t~malloc2.offset|=0] [?] call #t~mem12 := read~int(~x~0.base, 8 + ~x~0.offset, 4);#t~short14 := 2 == #t~mem12; VAL [main_~head~0.base=18, main_~head~0.offset=0, main_~x~0.base=18, main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=18, |main_#t~malloc0.offset|=0, |main_#t~malloc2.base|=15, |main_#t~malloc2.offset|=0, |main_#t~mem12|=2, |main_#t~short14|=true] [?] assume #t~short14;call #t~mem13.base, #t~mem13.offset := read~$Pointer$(~x~0.base, 4 + ~x~0.offset, 4);#t~short14 := #t~mem13.base == ~x~0.base && #t~mem13.offset == ~x~0.offset; VAL [main_~head~0.base=18, main_~head~0.offset=0, main_~x~0.base=18, main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=18, |main_#t~malloc0.offset|=0, |main_#t~malloc2.base|=15, |main_#t~malloc2.offset|=0, |main_#t~mem12|=2, |main_#t~mem13.base|=15, |main_#t~mem13.offset|=0, |main_#t~short14|=false] [?] assume !#t~short14;havoc #t~mem12;havoc #t~mem13.base, #t~mem13.offset;havoc #t~short14; VAL [main_~head~0.base=18, main_~head~0.offset=0, main_~x~0.base=18, main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=18, |main_#t~malloc0.offset|=0, |main_#t~malloc2.base|=15, |main_#t~malloc2.offset|=0] [?] assume !false; VAL [main_~head~0.base=18, main_~head~0.offset=0, main_~x~0.base=18, main_~x~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~malloc0.base|=18, |main_#t~malloc0.offset|=0, |main_#t~malloc2.base|=15, |main_#t~malloc2.offset|=0] [?] CALL call ULTIMATE.init(); VAL [#NULL.base=20, #NULL.offset=13, old(#NULL.base)=20, old(#NULL.offset)=13] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=20, old(#NULL.offset)=13] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=20, old(#NULL.offset)=13] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0] [?] CALL call #t~ret19 := main(); VAL [#NULL.base=0, #NULL.offset=0] [L985] call #t~malloc0.base, #t~malloc0.offset := #Ultimate.alloc(12); [L985] ~head~0.base, ~head~0.offset := #t~malloc0.base, #t~malloc0.offset; [L986] call write~$Pointer$(0, 0, ~head~0.base, ~head~0.offset, 4); [L987] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=18, #t~malloc0.offset=0, #t~nondet1=1, ~head~0.base=18, ~head~0.offset=0] [L987] assume 0 != #t~nondet1; [L987] havoc #t~nondet1; [L987] call write~int(2, ~head~0.base, 8 + ~head~0.offset, 4); [L987] call #t~malloc2.base, #t~malloc2.offset := #Ultimate.alloc(12); [L987] call write~$Pointer$(#t~malloc2.base, #t~malloc2.offset, ~head~0.base, 4 + ~head~0.offset, 4); [L987] call #t~mem3.base, #t~mem3.offset := read~$Pointer$(~head~0.base, 4 + ~head~0.offset, 4); [L987] call write~$Pointer$(0, 0, #t~mem3.base, #t~mem3.offset, 4); [L987] havoc #t~mem3.base, #t~mem3.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=18, #t~malloc0.offset=0, #t~malloc2.base=15, #t~malloc2.offset=0, ~head~0.base=18, ~head~0.offset=0] [L988] ~x~0.base, ~x~0.offset := ~head~0.base, ~head~0.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=18, #t~malloc0.offset=0, #t~malloc2.base=15, #t~malloc2.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L990] assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=18, #t~malloc0.offset=0, #t~malloc2.base=15, #t~malloc2.offset=0, #t~nondet5=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L990] assume !(0 != #t~nondet5); [L990] havoc #t~nondet5; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=18, #t~malloc0.offset=0, #t~malloc2.base=15, #t~malloc2.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L993] ~x~0.base, ~x~0.offset := ~head~0.base, ~head~0.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=18, #t~malloc0.offset=0, #t~malloc2.base=15, #t~malloc2.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L994-L998] assume !!(~x~0.base != 0 || ~x~0.offset != 0); VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=18, #t~malloc0.offset=0, #t~malloc2.base=15, #t~malloc2.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L996] call #t~mem12 := read~int(~x~0.base, 8 + ~x~0.offset, 4); [L996] #t~short14 := 2 == #t~mem12; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=18, #t~malloc0.offset=0, #t~malloc2.base=15, #t~malloc2.offset=0, #t~mem12=2, #t~short14=true, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L996] assume #t~short14; [L996] call #t~mem13.base, #t~mem13.offset := read~$Pointer$(~x~0.base, 4 + ~x~0.offset, 4); [L996] #t~short14 := #t~mem13.base == ~x~0.base && #t~mem13.offset == ~x~0.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=18, #t~malloc0.offset=0, #t~malloc2.base=15, #t~malloc2.offset=0, #t~mem12=2, #t~mem13.base=15, #t~mem13.offset=0, #t~short14=false, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L996] assume !#t~short14; [L996] havoc #t~mem12; [L996] havoc #t~mem13.base, #t~mem13.offset; [L996] havoc #t~short14; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=18, #t~malloc0.offset=0, #t~malloc2.base=15, #t~malloc2.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L996] assert false; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=18, #t~malloc0.offset=0, #t~malloc2.base=15, #t~malloc2.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL.base=20, #NULL.offset=13, old(#NULL.base)=20, old(#NULL.offset)=13] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=20, old(#NULL.offset)=13] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=20, old(#NULL.offset)=13] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0] [?] CALL call #t~ret19 := main(); VAL [#NULL.base=0, #NULL.offset=0] [L985] call #t~malloc0.base, #t~malloc0.offset := #Ultimate.alloc(12); [L985] ~head~0.base, ~head~0.offset := #t~malloc0.base, #t~malloc0.offset; [L986] call write~$Pointer$(0, 0, ~head~0.base, ~head~0.offset, 4); [L987] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=18, #t~malloc0.offset=0, #t~nondet1=1, ~head~0.base=18, ~head~0.offset=0] [L987] assume 0 != #t~nondet1; [L987] havoc #t~nondet1; [L987] call write~int(2, ~head~0.base, 8 + ~head~0.offset, 4); [L987] call #t~malloc2.base, #t~malloc2.offset := #Ultimate.alloc(12); [L987] call write~$Pointer$(#t~malloc2.base, #t~malloc2.offset, ~head~0.base, 4 + ~head~0.offset, 4); [L987] call #t~mem3.base, #t~mem3.offset := read~$Pointer$(~head~0.base, 4 + ~head~0.offset, 4); [L987] call write~$Pointer$(0, 0, #t~mem3.base, #t~mem3.offset, 4); [L987] havoc #t~mem3.base, #t~mem3.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=18, #t~malloc0.offset=0, #t~malloc2.base=15, #t~malloc2.offset=0, ~head~0.base=18, ~head~0.offset=0] [L988] ~x~0.base, ~x~0.offset := ~head~0.base, ~head~0.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=18, #t~malloc0.offset=0, #t~malloc2.base=15, #t~malloc2.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L990] assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=18, #t~malloc0.offset=0, #t~malloc2.base=15, #t~malloc2.offset=0, #t~nondet5=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L990] assume !(0 != #t~nondet5); [L990] havoc #t~nondet5; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=18, #t~malloc0.offset=0, #t~malloc2.base=15, #t~malloc2.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L993] ~x~0.base, ~x~0.offset := ~head~0.base, ~head~0.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=18, #t~malloc0.offset=0, #t~malloc2.base=15, #t~malloc2.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L994-L998] assume !!(~x~0.base != 0 || ~x~0.offset != 0); VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=18, #t~malloc0.offset=0, #t~malloc2.base=15, #t~malloc2.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L996] call #t~mem12 := read~int(~x~0.base, 8 + ~x~0.offset, 4); [L996] #t~short14 := 2 == #t~mem12; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=18, #t~malloc0.offset=0, #t~malloc2.base=15, #t~malloc2.offset=0, #t~mem12=2, #t~short14=true, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L996] assume #t~short14; [L996] call #t~mem13.base, #t~mem13.offset := read~$Pointer$(~x~0.base, 4 + ~x~0.offset, 4); [L996] #t~short14 := #t~mem13.base == ~x~0.base && #t~mem13.offset == ~x~0.offset; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=18, #t~malloc0.offset=0, #t~malloc2.base=15, #t~malloc2.offset=0, #t~mem12=2, #t~mem13.base=15, #t~mem13.offset=0, #t~short14=false, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L996] assume !#t~short14; [L996] havoc #t~mem12; [L996] havoc #t~mem13.base, #t~mem13.offset; [L996] havoc #t~short14; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=18, #t~malloc0.offset=0, #t~malloc2.base=15, #t~malloc2.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [L996] assert false; VAL [#NULL.base=0, #NULL.offset=0, #t~malloc0.base=18, #t~malloc0.offset=0, #t~malloc2.base=15, #t~malloc2.offset=0, ~head~0.base=18, ~head~0.offset=0, ~x~0.base=18, ~x~0.offset=0] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=20, #NULL!offset=13, old(#NULL!base)=20, old(#NULL!offset)=13] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=20, old(#NULL!offset)=13] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret19 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L985] FCALL call #t~malloc0 := #Ultimate.alloc(12); [L985] ~head~0 := #t~malloc0; [L986] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: ~head~0!offset }, 4); [L987] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~nondet1=1, ~head~0!base=18, ~head~0!offset=0] [L987] COND TRUE 0 != #t~nondet1 [L987] havoc #t~nondet1; [L987] FCALL call write~int(2, { base: ~head~0!base, offset: 8 + ~head~0!offset }, 4); [L987] FCALL call #t~malloc2 := #Ultimate.alloc(12); [L987] FCALL call write~$Pointer$(#t~malloc2, { base: ~head~0!base, offset: 4 + ~head~0!offset }, 4); [L987] FCALL call #t~mem3 := read~$Pointer$({ base: ~head~0!base, offset: 4 + ~head~0!offset }, 4); [L987] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: #t~mem3!base, offset: #t~mem3!offset }, 4); [L987] havoc #t~mem3; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0] [L988] ~x~0 := ~head~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L990] assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, #t~nondet5=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L990] COND TRUE !(0 != #t~nondet5) [L990] havoc #t~nondet5; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L993] ~x~0 := ~head~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L994-L998] COND FALSE !(!(~x~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L996] FCALL call #t~mem12 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); [L996] #t~short14 := 2 == #t~mem12; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, #t~mem12=2, #t~short14=true, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L996] COND TRUE #t~short14 [L996] FCALL call #t~mem13 := read~$Pointer$({ base: ~x~0!base, offset: 4 + ~x~0!offset }, 4); [L996] #t~short14 := #t~mem13 == ~x~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, #t~mem12=2, #t~mem13!base=15, #t~mem13!offset=0, #t~short14=false, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L996] COND TRUE !#t~short14 [L996] havoc #t~mem12; [L996] havoc #t~mem13; [L996] havoc #t~short14; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L996] assert false; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=20, #NULL!offset=13, old(#NULL!base)=20, old(#NULL!offset)=13] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=20, old(#NULL!offset)=13] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret19 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L985] FCALL call #t~malloc0 := #Ultimate.alloc(12); [L985] ~head~0 := #t~malloc0; [L986] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: ~head~0!offset }, 4); [L987] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~nondet1=1, ~head~0!base=18, ~head~0!offset=0] [L987] COND TRUE 0 != #t~nondet1 [L987] havoc #t~nondet1; [L987] FCALL call write~int(2, { base: ~head~0!base, offset: 8 + ~head~0!offset }, 4); [L987] FCALL call #t~malloc2 := #Ultimate.alloc(12); [L987] FCALL call write~$Pointer$(#t~malloc2, { base: ~head~0!base, offset: 4 + ~head~0!offset }, 4); [L987] FCALL call #t~mem3 := read~$Pointer$({ base: ~head~0!base, offset: 4 + ~head~0!offset }, 4); [L987] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: #t~mem3!base, offset: #t~mem3!offset }, 4); [L987] havoc #t~mem3; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0] [L988] ~x~0 := ~head~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L990] assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, #t~nondet5=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L990] COND TRUE !(0 != #t~nondet5) [L990] havoc #t~nondet5; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L993] ~x~0 := ~head~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L994-L998] COND FALSE !(!(~x~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L996] FCALL call #t~mem12 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); [L996] #t~short14 := 2 == #t~mem12; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, #t~mem12=2, #t~short14=true, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L996] COND TRUE #t~short14 [L996] FCALL call #t~mem13 := read~$Pointer$({ base: ~x~0!base, offset: 4 + ~x~0!offset }, 4); [L996] #t~short14 := #t~mem13 == ~x~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, #t~mem12=2, #t~mem13!base=15, #t~mem13!offset=0, #t~short14=false, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L996] COND TRUE !#t~short14 [L996] havoc #t~mem12; [L996] havoc #t~mem13; [L996] havoc #t~short14; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L996] assert false; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=20, #NULL!offset=13, old(#NULL!base)=20, old(#NULL!offset)=13] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=20, old(#NULL!offset)=13] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret19 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L985] FCALL call #t~malloc0 := #Ultimate.alloc(12); [L985] ~head~0 := #t~malloc0; [L986] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: ~head~0!offset }, 4); [L987] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~nondet1=1, ~head~0!base=18, ~head~0!offset=0] [L987] COND TRUE 0 != #t~nondet1 [L987] havoc #t~nondet1; [L987] FCALL call write~int(2, { base: ~head~0!base, offset: 8 + ~head~0!offset }, 4); [L987] FCALL call #t~malloc2 := #Ultimate.alloc(12); [L987] FCALL call write~$Pointer$(#t~malloc2, { base: ~head~0!base, offset: 4 + ~head~0!offset }, 4); [L987] FCALL call #t~mem3 := read~$Pointer$({ base: ~head~0!base, offset: 4 + ~head~0!offset }, 4); [L987] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: #t~mem3!base, offset: #t~mem3!offset }, 4); [L987] havoc #t~mem3; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0] [L988] ~x~0 := ~head~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L990] assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, #t~nondet5=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L990] COND TRUE !(0 != #t~nondet5) [L990] havoc #t~nondet5; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L993] ~x~0 := ~head~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L994-L998] COND FALSE !(!(~x~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L996] FCALL call #t~mem12 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); [L996] #t~short14 := 2 == #t~mem12; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, #t~mem12=2, #t~short14=true, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L996] COND TRUE #t~short14 [L996] FCALL call #t~mem13 := read~$Pointer$({ base: ~x~0!base, offset: 4 + ~x~0!offset }, 4); [L996] #t~short14 := #t~mem13 == ~x~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, #t~mem12=2, #t~mem13!base=15, #t~mem13!offset=0, #t~short14=false, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L996] COND TRUE !#t~short14 [L996] havoc #t~mem12; [L996] havoc #t~mem13; [L996] havoc #t~short14; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L996] assert false; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=20, #NULL!offset=13, old(#NULL!base)=20, old(#NULL!offset)=13] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=20, old(#NULL!offset)=13] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret19 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L985] FCALL call #t~malloc0 := #Ultimate.alloc(12); [L985] ~head~0 := #t~malloc0; [L986] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: ~head~0!base, offset: ~head~0!offset }, 4); [L987] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~nondet1=1, ~head~0!base=18, ~head~0!offset=0] [L987] COND TRUE 0 != #t~nondet1 [L987] havoc #t~nondet1; [L987] FCALL call write~int(2, { base: ~head~0!base, offset: 8 + ~head~0!offset }, 4); [L987] FCALL call #t~malloc2 := #Ultimate.alloc(12); [L987] FCALL call write~$Pointer$(#t~malloc2, { base: ~head~0!base, offset: 4 + ~head~0!offset }, 4); [L987] FCALL call #t~mem3 := read~$Pointer$({ base: ~head~0!base, offset: 4 + ~head~0!offset }, 4); [L987] FCALL call write~$Pointer$({ base: 0, offset: 0 }, { base: #t~mem3!base, offset: #t~mem3!offset }, 4); [L987] havoc #t~mem3; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0] [L988] ~x~0 := ~head~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L990] assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, #t~nondet5=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L990] COND TRUE !(0 != #t~nondet5) [L990] havoc #t~nondet5; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L993] ~x~0 := ~head~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L994-L998] COND FALSE !(!(~x~0 != { base: 0, offset: 0 })) VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L996] FCALL call #t~mem12 := read~int({ base: ~x~0!base, offset: 8 + ~x~0!offset }, 4); [L996] #t~short14 := 2 == #t~mem12; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, #t~mem12=2, #t~short14=true, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L996] COND TRUE #t~short14 [L996] FCALL call #t~mem13 := read~$Pointer$({ base: ~x~0!base, offset: 4 + ~x~0!offset }, 4); [L996] #t~short14 := #t~mem13 == ~x~0; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, #t~mem12=2, #t~mem13!base=15, #t~mem13!offset=0, #t~short14=false, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L996] COND TRUE !#t~short14 [L996] havoc #t~mem12; [L996] havoc #t~mem13; [L996] havoc #t~short14; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L996] assert false; VAL [#NULL!base=0, #NULL!offset=0, #t~malloc0!base=18, #t~malloc0!offset=0, #t~malloc2!base=15, #t~malloc2!offset=0, ~head~0!base=18, ~head~0!offset=0, ~x~0!base=18, ~x~0!offset=0] [L985] SLL* head = malloc(sizeof(SLL)); [L986] head->next = ((void*)0) [L987] COND TRUE __VERIFIER_nondet_int() [L987] head->data = 2 [L987] head->opt = malloc(sizeof(SLL)) [L987] EXPR head->opt [L987] head->opt->next = ((void*)0) [L988] SLL* x = head; VAL [head={18:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={18:0}, x={18:0}] [L990] COND FALSE !(__VERIFIER_nondet_int()) [L993] x = head VAL [head={18:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={18:0}, x={18:0}] [L994] COND TRUE x != ((void*)0) VAL [head={18:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={18:0}, x={18:0}] [L996] EXPR x->data [L996] EXPR x->data == 2 && x->opt == x [L996] EXPR x->opt [L996] EXPR x->data == 2 && x->opt == x VAL [head={18:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={18:0}, x={18:0}, x->data=2, x->data == 2 && x->opt == x=0, x->opt={15:0}] [L996] COND TRUE !(x->data == 2 && x->opt == x) [L996] __VERIFIER_error() VAL [head={18:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={18:0}, x={18:0}] ----- [2018-11-22 23:41:28,256 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_250e1bb4-0814-47b7-a31d-2aa97049c1a9/bin-2019/uautomizer/witness.graphml [2018-11-22 23:41:28,256 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 23:41:28,257 INFO L168 Benchmark]: Toolchain (without parser) took 1106.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -118.4 MB). Peak memory consumption was 35.2 MB. Max. memory is 11.5 GB. [2018-11-22 23:41:28,258 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:41:28,258 INFO L168 Benchmark]: CACSL2BoogieTranslator took 326.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -184.8 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. [2018-11-22 23:41:28,259 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.15 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-22 23:41:28,259 INFO L168 Benchmark]: Boogie Preprocessor took 25.86 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. [2018-11-22 23:41:28,259 INFO L168 Benchmark]: RCFGBuilder took 320.32 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: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2018-11-22 23:41:28,260 INFO L168 Benchmark]: TraceAbstraction took 366.18 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: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-22 23:41:28,260 INFO L168 Benchmark]: Witness Printer took 41.33 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-22 23:41:28,263 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 326.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -184.8 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.15 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 320.32 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: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 366.18 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: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Witness Printer took 41.33 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 996]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L985] SLL* head = malloc(sizeof(SLL)); [L986] head->next = ((void*)0) [L987] COND TRUE __VERIFIER_nondet_int() [L987] head->data = 2 [L987] head->opt = malloc(sizeof(SLL)) [L987] EXPR head->opt [L987] head->opt->next = ((void*)0) [L988] SLL* x = head; VAL [head={18:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={18:0}, x={18:0}] [L990] COND FALSE !(__VERIFIER_nondet_int()) [L993] x = head VAL [head={18:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={18:0}, x={18:0}] [L994] COND TRUE x != ((void*)0) VAL [head={18:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={18:0}, x={18:0}] [L996] EXPR x->data [L996] EXPR x->data == 2 && x->opt == x [L996] EXPR x->opt [L996] EXPR x->data == 2 && x->opt == x VAL [head={18:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={18:0}, x={18:0}, x->data=2, x->data == 2 && x->opt == x=0, x->opt={15:0}] [L996] COND TRUE !(x->data == 2 && x->opt == x) [L996] __VERIFIER_error() VAL [head={18:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={18:0}, x={18:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 31 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 39 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 196 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...