java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf -i ../../../trunk/examples/svcomp/forester-heap/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-24 16:33:05,403 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-24 16:33:05,404 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-24 16:33:05,416 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-24 16:33:05,417 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-24 16:33:05,418 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-24 16:33:05,419 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-24 16:33:05,421 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-24 16:33:05,423 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-24 16:33:05,423 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-24 16:33:05,424 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-24 16:33:05,424 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-24 16:33:05,425 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-24 16:33:05,426 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-24 16:33:05,427 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-24 16:33:05,430 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-24 16:33:05,432 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-24 16:33:05,433 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-24 16:33:05,435 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-24 16:33:05,436 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-24 16:33:05,438 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-24 16:33:05,443 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-24 16:33:05,444 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-24 16:33:05,444 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf [2018-01-24 16:33:05,454 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-24 16:33:05,454 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-24 16:33:05,455 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-24 16:33:05,455 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-24 16:33:05,455 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-24 16:33:05,455 INFO L133 SettingsManager]: * Deactivate Weak Equivalences=true [2018-01-24 16:33:05,456 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-24 16:33:05,456 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-24 16:33:05,456 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-24 16:33:05,457 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-24 16:33:05,457 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-24 16:33:05,457 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-24 16:33:05,457 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-24 16:33:05,457 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-24 16:33:05,458 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-24 16:33:05,458 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-24 16:33:05,458 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-24 16:33:05,458 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-24 16:33:05,458 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-24 16:33:05,458 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-24 16:33:05,459 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-24 16:33:05,459 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-24 16:33:05,459 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-24 16:33:05,459 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-24 16:33:05,459 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 16:33:05,460 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-24 16:33:05,460 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-24 16:33:05,460 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-24 16:33:05,460 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-24 16:33:05,460 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-24 16:33:05,461 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-24 16:33:05,461 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-24 16:33:05,461 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-24 16:33:05,462 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-24 16:33:05,462 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-24 16:33:05,496 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-24 16:33:05,509 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-24 16:33:05,513 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-24 16:33:05,515 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-24 16:33:05,515 INFO L276 PluginConnector]: CDTParser initialized [2018-01-24 16:33:05,516 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i [2018-01-24 16:33:05,688 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-24 16:33:05,695 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-24 16:33:05,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-24 16:33:05,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-24 16:33:05,702 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-24 16:33:05,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 04:33:05" (1/1) ... [2018-01-24 16:33:05,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4430c394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:33:05, skipping insertion in model container [2018-01-24 16:33:05,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 04:33:05" (1/1) ... [2018-01-24 16:33:05,725 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 16:33:05,766 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 16:33:05,891 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 16:33:05,916 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 16:33:05,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:33:05 WrapperNode [2018-01-24 16:33:05,926 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-24 16:33:05,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-24 16:33:05,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-24 16:33:05,927 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-24 16:33:05,940 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:33:05" (1/1) ... [2018-01-24 16:33:05,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:33:05" (1/1) ... [2018-01-24 16:33:05,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:33:05" (1/1) ... [2018-01-24 16:33:05,950 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:33:05" (1/1) ... [2018-01-24 16:33:05,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:33:05" (1/1) ... [2018-01-24 16:33:05,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:33:05" (1/1) ... [2018-01-24 16:33:05,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:33:05" (1/1) ... [2018-01-24 16:33:05,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-24 16:33:05,968 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-24 16:33:05,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-24 16:33:05,968 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-24 16:33:05,969 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:33:05" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 16:33:06,020 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-24 16:33:06,020 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-24 16:33:06,021 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-24 16:33:06,021 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-24 16:33:06,021 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-24 16:33:06,021 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-24 16:33:06,021 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-24 16:33:06,021 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-24 16:33:06,021 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-24 16:33:06,021 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-24 16:33:06,021 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-24 16:33:06,022 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-24 16:33:06,022 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-24 16:33:06,022 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-01-24 16:33:06,022 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-24 16:33:06,022 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-24 16:33:06,022 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-24 16:33:06,451 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-24 16:33:06,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 04:33:06 BoogieIcfgContainer [2018-01-24 16:33:06,452 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-24 16:33:06,453 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-24 16:33:06,453 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-24 16:33:06,453 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-24 16:33:06,454 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 04:33:06" (1/1) ... [2018-01-24 16:33:06,514 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-24 16:33:09,067 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-24 16:33:09,105 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-24 16:33:09,111 INFO L268 AbstractInterpreter]: Visited 122 different actions 562 times. Merged at 82 different actions 302 times. Widened at 3 different actions 4 times. Found 47 fixpoints after 27 different actions. Largest state had 50 variables. [2018-01-24 16:33:09,114 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-24 16:33:09,115 INFO L168 Benchmark]: Toolchain (without parser) took 3426.44 ms. Allocated memory was 309.3 MB in the beginning and 621.8 MB in the end (delta: 312.5 MB). Free memory was 269.4 MB in the beginning and 462.6 MB in the end (delta: -193.2 MB). Peak memory consumption was 119.3 MB. Max. memory is 5.3 GB. [2018-01-24 16:33:09,116 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 309.3 MB. Free memory is still 275.3 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-24 16:33:09,116 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.24 ms. Allocated memory is still 309.3 MB. Free memory was 268.4 MB in the beginning and 256.3 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 5.3 GB. [2018-01-24 16:33:09,116 INFO L168 Benchmark]: Boogie Preprocessor took 40.76 ms. Allocated memory is still 309.3 MB. Free memory was 256.3 MB in the beginning and 254.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-24 16:33:09,117 INFO L168 Benchmark]: RCFGBuilder took 484.40 ms. Allocated memory is still 309.3 MB. Free memory was 254.3 MB in the beginning and 224.7 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 5.3 GB. [2018-01-24 16:33:09,117 INFO L168 Benchmark]: Abstract Interpretation took 2661.19 ms. Allocated memory was 309.3 MB in the beginning and 621.8 MB in the end (delta: 312.5 MB). Free memory was 224.7 MB in the beginning and 462.6 MB in the end (delta: -237.9 MB). Peak memory consumption was 74.5 MB. Max. memory is 5.3 GB. [2018-01-24 16:33:09,119 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 309.3 MB. Free memory is still 275.3 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 230.24 ms. Allocated memory is still 309.3 MB. Free memory was 268.4 MB in the beginning and 256.3 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 40.76 ms. Allocated memory is still 309.3 MB. Free memory was 256.3 MB in the beginning and 254.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 484.40 ms. Allocated memory is still 309.3 MB. Free memory was 254.3 MB in the beginning and 224.7 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 2661.19 ms. Allocated memory was 309.3 MB in the beginning and 621.8 MB in the end (delta: 312.5 MB). Free memory was 224.7 MB in the beginning and 462.6 MB in the end (delta: -237.9 MB). Peak memory consumption was 74.5 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 92 LocStat_MAX_WEQGRAPH_SIZE : 0 LocStat_MAX_SIZEOF_WEQEDGELABEL : 0 LocStat_NO_SUPPORTING_EQUALITIES : 914 LocStat_NO_SUPPORTING_DISEQUALITIES : 283 LocStat_NO_DISJUNCTIONS : -184 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 126 TransStat_MAX_WEQGRAPH_SIZE : 0 TransStat_MAX_SIZEOF_WEQEDGELABEL : 0 TransStat_NO_SUPPORTING_EQUALITIES : 189 TransStat_NO_SUPPORTING_DISEQUALITIES : 53 TransStat_NO_DISJUNCTIONS : 144 TransStat_MAX_NO_DISJUNCTIONS : 4 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.257608 RENAME_VARIABLES(MILLISECONDS) : 0.434150 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.230952 PROJECTAWAY(MILLISECONDS) : 0.222354 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.001885 DISJOIN(MILLISECONDS) : 0.648374 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.468150 ADD_EQUALITY(MILLISECONDS) : 0.024383 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.008899 #CONJOIN_DISJUNCTIVE : 911 #RENAME_VARIABLES : 1870 #UNFREEZE : 0 #CONJOIN : 1216 #PROJECTAWAY : 985 #ADD_WEAK_EQUALITY : 70 #DISJOIN : 167 #RENAME_VARIABLES_DISJUNCTIVE : 1734 #ADD_EQUALITY : 223 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 40 - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L988] EXPR, FCALL malloc(sizeof(SLL)) [L988] SLL* head = malloc(sizeof(SLL)); [L989] FCALL head->next = ((void*)0) - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L988] EXPR, FCALL malloc(sizeof(SLL)) [L988] SLL* head = malloc(sizeof(SLL)); [L989] FCALL head->next = ((void*)0) [L990] FCALL head->data = 0 - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L988] EXPR, FCALL malloc(sizeof(SLL)) [L988] SLL* head = malloc(sizeof(SLL)); [L989] FCALL head->next = ((void*)0) [L990] FCALL head->data = 0 [L992] SLL* x = head; [L995] COND TRUE __VERIFIER_nondet_int() [L998] EXPR, FCALL malloc(sizeof(SLL)) [L998] FCALL x->next = malloc(sizeof(SLL)) - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L988] EXPR, FCALL malloc(sizeof(SLL)) [L988] SLL* head = malloc(sizeof(SLL)); [L989] FCALL head->next = ((void*)0) [L990] FCALL head->data = 0 [L992] SLL* x = head; [L995] COND TRUE __VERIFIER_nondet_int() [L998] EXPR, FCALL malloc(sizeof(SLL)) [L998] FCALL x->next = malloc(sizeof(SLL)) - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L988] EXPR, FCALL malloc(sizeof(SLL)) [L988] SLL* head = malloc(sizeof(SLL)); [L989] FCALL head->next = ((void*)0) [L990] FCALL head->data = 0 [L992] SLL* x = head; [L995] COND TRUE __VERIFIER_nondet_int() [L998] EXPR, FCALL malloc(sizeof(SLL)) [L998] FCALL x->next = malloc(sizeof(SLL)) [L999] FCALL x->next - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L988] EXPR, FCALL malloc(sizeof(SLL)) [L988] SLL* head = malloc(sizeof(SLL)); [L989] FCALL head->next = ((void*)0) [L990] FCALL head->data = 0 [L992] SLL* x = head; [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1005] COND FALSE !(__VERIFIER_nondet_int()) [L1014] x = head [L1015] FCALL x->next - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L988] EXPR, FCALL malloc(sizeof(SLL)) [L988] SLL* head = malloc(sizeof(SLL)); [L989] FCALL head->next = ((void*)0) [L990] FCALL head->data = 0 [L992] SLL* x = head; [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1005] COND TRUE __VERIFIER_nondet_int() [L1006] EXPR, FCALL malloc(sizeof(SLL)) [L1006] x = malloc(sizeof(SLL)) [L1007] FCALL x->data = 1 - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L988] EXPR, FCALL malloc(sizeof(SLL)) [L988] SLL* head = malloc(sizeof(SLL)); [L989] FCALL head->next = ((void*)0) [L990] FCALL head->data = 0 [L992] SLL* x = head; [L995] COND TRUE __VERIFIER_nondet_int() [L998] EXPR, FCALL malloc(sizeof(SLL)) [L998] FCALL x->next = malloc(sizeof(SLL)) [L999] EXPR, FCALL x->next [L999] x = x->next [L1000] FCALL x->data = 0 - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L988] EXPR, FCALL malloc(sizeof(SLL)) [L988] SLL* head = malloc(sizeof(SLL)); [L989] FCALL head->next = ((void*)0) [L990] FCALL head->data = 0 [L992] SLL* x = head; [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1005] COND FALSE !(__VERIFIER_nondet_int()) [L1014] x = head [L1015] FCALL x->next [L1015] COND FALSE !(x->next) [L1022] FCALL x->next - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L988] EXPR, FCALL malloc(sizeof(SLL)) [L988] SLL* head = malloc(sizeof(SLL)); [L989] FCALL head->next = ((void*)0) [L990] FCALL head->data = 0 [L992] SLL* x = head; [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1005] COND TRUE __VERIFIER_nondet_int() [L1006] EXPR, FCALL malloc(sizeof(SLL)) [L1006] x = malloc(sizeof(SLL)) [L1007] FCALL x->data = 1 [L1008] FCALL x->next = head - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L988] EXPR, FCALL malloc(sizeof(SLL)) [L988] SLL* head = malloc(sizeof(SLL)); [L989] FCALL head->next = ((void*)0) [L990] FCALL head->data = 0 [L992] SLL* x = head; [L995] COND TRUE __VERIFIER_nondet_int() [L998] EXPR, FCALL malloc(sizeof(SLL)) [L998] FCALL x->next = malloc(sizeof(SLL)) [L999] EXPR, FCALL x->next [L999] x = x->next [L1000] FCALL x->data = 0 [L1001] FCALL x->next = ((void*)0) - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L988] EXPR, FCALL malloc(sizeof(SLL)) [L988] SLL* head = malloc(sizeof(SLL)); [L989] FCALL head->next = ((void*)0) [L990] FCALL head->data = 0 [L992] SLL* x = head; [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1005] COND FALSE !(__VERIFIER_nondet_int()) [L1014] x = head [L1015] FCALL x->next [L1015] COND TRUE x->next [L1017] COND FALSE !(__VERIFIER_nondet_int()) [L1018] FCALL x->next - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L988] EXPR, FCALL malloc(sizeof(SLL)) [L988] SLL* head = malloc(sizeof(SLL)); [L989] FCALL head->next = ((void*)0) [L990] FCALL head->data = 0 [L992] SLL* x = head; [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1005] COND FALSE !(__VERIFIER_nondet_int()) [L1014] x = head [L1015] FCALL x->next [L1015] COND FALSE !(x->next) [L1022] EXPR, FCALL x->next [L1022] SLL* y = x->next; [L1023] EXPR, FCALL malloc(sizeof(SLL)) [L1023] FCALL x->next = malloc(sizeof(SLL)) - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L988] EXPR, FCALL malloc(sizeof(SLL)) [L988] SLL* head = malloc(sizeof(SLL)); [L989] FCALL head->next = ((void*)0) [L990] FCALL head->data = 0 [L992] SLL* x = head; [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1005] COND FALSE !(__VERIFIER_nondet_int()) [L1014] x = head [L1015] FCALL x->next [L1015] COND FALSE !(x->next) [L1022] EXPR, FCALL x->next [L1022] SLL* y = x->next; [L1023] EXPR, FCALL malloc(sizeof(SLL)) [L1023] FCALL x->next = malloc(sizeof(SLL)) - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L988] EXPR, FCALL malloc(sizeof(SLL)) [L988] SLL* head = malloc(sizeof(SLL)); [L989] FCALL head->next = ((void*)0) [L990] FCALL head->data = 0 [L992] SLL* x = head; [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1005] COND FALSE !(__VERIFIER_nondet_int()) [L1014] x = head [L1015] FCALL x->next [L1015] COND TRUE x->next [L1017] COND FALSE !(__VERIFIER_nondet_int()) [L1018] EXPR, FCALL x->next [L1018] x = x->next [L1015] FCALL x->next - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L988] EXPR, FCALL malloc(sizeof(SLL)) [L988] SLL* head = malloc(sizeof(SLL)); [L989] FCALL head->next = ((void*)0) [L990] FCALL head->data = 0 [L992] SLL* x = head; [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1005] COND FALSE !(__VERIFIER_nondet_int()) [L1014] x = head [L1015] FCALL x->next [L1015] COND FALSE !(x->next) [L1022] EXPR, FCALL x->next [L1022] SLL* y = x->next; [L1023] EXPR, FCALL malloc(sizeof(SLL)) [L1023] FCALL x->next = malloc(sizeof(SLL)) [L1024] FCALL x->data = 1 - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L988] EXPR, FCALL malloc(sizeof(SLL)) [L988] SLL* head = malloc(sizeof(SLL)); [L989] FCALL head->next = ((void*)0) [L990] FCALL head->data = 0 [L992] SLL* x = head; [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1005] COND TRUE __VERIFIER_nondet_int() [L1006] EXPR, FCALL malloc(sizeof(SLL)) [L1006] x = malloc(sizeof(SLL)) [L1007] FCALL x->data = 1 [L1008] FCALL x->next = head [L1009] head = x [L1029] x = head [L1032] FCALL x->data - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L988] EXPR, FCALL malloc(sizeof(SLL)) [L988] SLL* head = malloc(sizeof(SLL)); [L989] FCALL head->next = ((void*)0) [L990] FCALL head->data = 0 [L992] SLL* x = head; [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1005] COND FALSE !(__VERIFIER_nondet_int()) [L1014] x = head [L1015] FCALL x->next [L1015] COND FALSE !(x->next) [L1022] EXPR, FCALL x->next [L1022] SLL* y = x->next; [L1023] EXPR, FCALL malloc(sizeof(SLL)) [L1023] FCALL x->next = malloc(sizeof(SLL)) [L1024] FCALL x->data = 1 [L1025] FCALL x->next = y - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L988] EXPR, FCALL malloc(sizeof(SLL)) [L988] SLL* head = malloc(sizeof(SLL)); [L989] FCALL head->next = ((void*)0) [L990] FCALL head->data = 0 [L992] SLL* x = head; [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1005] COND TRUE __VERIFIER_nondet_int() [L1006] EXPR, FCALL malloc(sizeof(SLL)) [L1006] x = malloc(sizeof(SLL)) [L1007] FCALL x->data = 1 [L1008] FCALL x->next = head [L1009] head = x [L1029] x = head [L1032] EXPR, FCALL x->data [L1032] COND FALSE !(x->data != 1) [L1038] FCALL x->next - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L988] EXPR, FCALL malloc(sizeof(SLL)) [L988] SLL* head = malloc(sizeof(SLL)); [L989] FCALL head->next = ((void*)0) [L990] FCALL head->data = 0 [L992] SLL* x = head; [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1005] COND TRUE __VERIFIER_nondet_int() [L1006] EXPR, FCALL malloc(sizeof(SLL)) [L1006] x = malloc(sizeof(SLL)) [L1007] FCALL x->data = 1 [L1008] FCALL x->next = head [L1009] head = x [L1029] x = head [L1032] EXPR, FCALL x->data [L1032] COND TRUE x->data != 1 [L1034] FCALL x->next - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L988] EXPR, FCALL malloc(sizeof(SLL)) [L988] SLL* head = malloc(sizeof(SLL)); [L989] FCALL head->next = ((void*)0) [L990] FCALL head->data = 0 [L992] SLL* x = head; [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1005] COND TRUE __VERIFIER_nondet_int() [L1006] EXPR, FCALL malloc(sizeof(SLL)) [L1006] x = malloc(sizeof(SLL)) [L1007] FCALL x->data = 1 [L1008] FCALL x->next = head [L1009] head = x [L1029] x = head [L1032] EXPR, FCALL x->data [L1032] COND TRUE x->data != 1 [L1034] EXPR, FCALL x->next [L1034] x = x->next [L1032] FCALL x->data - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L988] EXPR, FCALL malloc(sizeof(SLL)) [L988] SLL* head = malloc(sizeof(SLL)); [L989] FCALL head->next = ((void*)0) [L990] FCALL head->data = 0 [L992] SLL* x = head; [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1005] COND TRUE __VERIFIER_nondet_int() [L1006] EXPR, FCALL malloc(sizeof(SLL)) [L1006] x = malloc(sizeof(SLL)) [L1007] FCALL x->data = 1 [L1008] FCALL x->next = head [L1009] head = x [L1029] x = head [L1032] EXPR, FCALL x->data [L1032] COND FALSE !(x->data != 1) [L1038] EXPR, FCALL x->next [L1038] x = x->next [L1039] COND TRUE \read(*x) [L1041] FCALL x->data - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L988] EXPR, FCALL malloc(sizeof(SLL)) [L988] SLL* head = malloc(sizeof(SLL)); [L989] FCALL head->next = ((void*)0) [L990] FCALL head->data = 0 [L992] SLL* x = head; [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1005] COND TRUE __VERIFIER_nondet_int() [L1006] EXPR, FCALL malloc(sizeof(SLL)) [L1006] x = malloc(sizeof(SLL)) [L1007] FCALL x->data = 1 [L1008] FCALL x->next = head [L1009] head = x [L1029] x = head [L1032] EXPR, FCALL x->data [L1032] COND FALSE !(x->data != 1) [L1038] EXPR, FCALL x->next [L1038] x = x->next [L1039] COND TRUE \read(*x) [L1041] FCALL x->data - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L988] EXPR, FCALL malloc(sizeof(SLL)) [L988] SLL* head = malloc(sizeof(SLL)); [L989] FCALL head->next = ((void*)0) [L990] FCALL head->data = 0 [L992] SLL* x = head; [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1005] COND TRUE __VERIFIER_nondet_int() [L1006] EXPR, FCALL malloc(sizeof(SLL)) [L1006] x = malloc(sizeof(SLL)) [L1007] FCALL x->data = 1 [L1008] FCALL x->next = head [L1009] head = x [L1029] x = head [L1032] EXPR, FCALL x->data [L1032] COND FALSE !(x->data != 1) [L1038] EXPR, FCALL x->next [L1038] x = x->next [L1039] COND TRUE \read(*x) [L1041] EXPR, FCALL x->data [L1041] COND FALSE !(x->data == 1) [L1043] FCALL x->next - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L988] EXPR, FCALL malloc(sizeof(SLL)) [L988] SLL* head = malloc(sizeof(SLL)); [L989] FCALL head->next = ((void*)0) [L990] FCALL head->data = 0 [L992] SLL* x = head; [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1005] COND FALSE !(__VERIFIER_nondet_int()) [L1014] x = head [L1015] FCALL x->next [L1015] COND FALSE !(x->next) [L1022] EXPR, FCALL x->next [L1022] SLL* y = x->next; [L1023] EXPR, FCALL malloc(sizeof(SLL)) [L1023] FCALL x->next = malloc(sizeof(SLL)) [L1024] FCALL x->data = 1 [L1025] FCALL x->next = y [L1029] x = head [L1032] EXPR, FCALL x->data [L1032] COND FALSE !(x->data != 1) [L1038] EXPR, FCALL x->next [L1038] x = x->next [L1039] COND FALSE !(\read(*x)) [L1047] x = head [L1048] COND TRUE x != ((void*)0) [L1050] head = x [L1051] FCALL x->next - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L988] EXPR, FCALL malloc(sizeof(SLL)) [L988] SLL* head = malloc(sizeof(SLL)); [L989] FCALL head->next = ((void*)0) [L990] FCALL head->data = 0 [L992] SLL* x = head; [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1005] COND FALSE !(__VERIFIER_nondet_int()) [L1014] x = head [L1015] FCALL x->next [L1015] COND FALSE !(x->next) [L1022] EXPR, FCALL x->next [L1022] SLL* y = x->next; [L1023] EXPR, FCALL malloc(sizeof(SLL)) [L1023] FCALL x->next = malloc(sizeof(SLL)) [L1024] FCALL x->data = 1 [L1025] FCALL x->next = y [L1029] x = head [L1032] EXPR, FCALL x->data [L1032] COND TRUE x->data != 1 [L1034] EXPR, FCALL x->next [L1034] x = x->next [L1032] EXPR, FCALL x->data [L1032] COND FALSE !(x->data != 1) [L1038] EXPR, FCALL x->next [L1038] x = x->next [L1039] COND FALSE !(\read(*x)) [L1047] x = head [L1048] COND TRUE x != ((void*)0) [L1050] head = x [L1051] FCALL x->next - UnprovableResult [Line: 985]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: abstract domain could reach this error location. Possible FailurePath: [L988] EXPR, FCALL malloc(sizeof(SLL)) [L988] SLL* head = malloc(sizeof(SLL)); [L989] FCALL head->next = ((void*)0) [L990] FCALL head->data = 0 [L992] SLL* x = head; [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1005] COND FALSE !(__VERIFIER_nondet_int()) [L1014] x = head [L1015] FCALL x->next [L1015] COND FALSE !(x->next) [L1022] EXPR, FCALL x->next [L1022] SLL* y = x->next; [L1023] EXPR, FCALL malloc(sizeof(SLL)) [L1023] FCALL x->next = malloc(sizeof(SLL)) [L1024] FCALL x->data = 1 [L1025] FCALL x->next = y [L1029] x = head [L1032] EXPR, FCALL x->data [L1032] COND FALSE !(x->data != 1) [L1038] EXPR, FCALL x->next [L1038] x = x->next [L1039] COND FALSE !(\read(*x)) [L1047] x = head [L1048] COND TRUE x != ((void*)0) [L1050] head = x [L1051] EXPR, FCALL x->next [L1051] x = x->next [L1052] FCALL free(head) [L1048] COND FALSE !(x != ((void*)0)) [L1055] return 0; - UnprovableResult [Line: 1]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L988] EXPR, FCALL malloc(sizeof(SLL)) [L988] SLL* head = malloc(sizeof(SLL)); [L989] FCALL head->next = ((void*)0) [L990] FCALL head->data = 0 [L992] SLL* x = head; [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1005] COND FALSE !(__VERIFIER_nondet_int()) [L1014] x = head [L1015] FCALL x->next [L1015] COND FALSE !(x->next) [L1022] EXPR, FCALL x->next [L1022] SLL* y = x->next; [L1023] EXPR, FCALL malloc(sizeof(SLL)) [L1023] FCALL x->next = malloc(sizeof(SLL)) [L1024] FCALL x->data = 1 [L1025] FCALL x->next = y [L1029] x = head [L1032] EXPR, FCALL x->data [L1032] COND TRUE x->data != 1 [L1034] EXPR, FCALL x->next [L1034] x = x->next [L1032] EXPR, FCALL x->data [L1032] COND FALSE !(x->data != 1) [L1038] EXPR, FCALL x->next [L1038] x = x->next [L1039] COND FALSE !(\read(*x)) [L1047] x = head [L1048] COND TRUE x != ((void*)0) [L1050] head = x [L1051] EXPR, FCALL x->next [L1051] x = x->next [L1052] FCALL free(head) [L1048] COND TRUE x != ((void*)0) [L1050] head = x [L1051] EXPR, FCALL x->next [L1051] x = x->next [L1052] FCALL free(head) - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-24_16-33-09-131.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-24_16-33-09-131.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/sll-simple-white-blue_true-unreach-call_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-24_16-33-09-131.csv Received shutdown request...