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-optional_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-24 16:34:29,479 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-24 16:34:29,481 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-24 16:34:29,498 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-24 16:34:29,498 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-24 16:34:29,499 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-24 16:34:29,501 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-24 16:34:29,502 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-24 16:34:29,505 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-24 16:34:29,506 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-24 16:34:29,507 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-24 16:34:29,507 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-24 16:34:29,508 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-24 16:34:29,510 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-24 16:34:29,511 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-24 16:34:29,513 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-24 16:34:29,516 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-24 16:34:29,518 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-24 16:34:29,520 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-24 16:34:29,521 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-24 16:34:29,524 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-24 16:34:29,524 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-24 16:34:29,524 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-24 16:34:29,525 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-24 16:34:29,526 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-24 16:34:29,528 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-24 16:34:29,528 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-24 16:34:29,529 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-24 16:34:29,529 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-24 16:34:29,529 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-24 16:34:29,530 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-24 16:34:29,530 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 16:34:29,538 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-24 16:34:29,539 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-24 16:34:29,540 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-24 16:34:29,540 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-24 16:34:29,540 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-24 16:34:29,540 INFO L133 SettingsManager]: * Deactivate Weak Equivalences=true [2018-01-24 16:34:29,540 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-24 16:34:29,540 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-24 16:34:29,541 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-24 16:34:29,541 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-24 16:34:29,541 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-24 16:34:29,541 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-24 16:34:29,541 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-24 16:34:29,542 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-24 16:34:29,542 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-24 16:34:29,542 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-24 16:34:29,542 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-24 16:34:29,542 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-24 16:34:29,542 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-24 16:34:29,542 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-24 16:34:29,542 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-24 16:34:29,543 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-24 16:34:29,543 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-24 16:34:29,543 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-24 16:34:29,543 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 16:34:29,543 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-24 16:34:29,544 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-24 16:34:29,544 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-24 16:34:29,544 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-24 16:34:29,544 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-24 16:34:29,544 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-24 16:34:29,544 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-24 16:34:29,544 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-24 16:34:29,545 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-24 16:34:29,545 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-24 16:34:29,580 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-24 16:34:29,592 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-24 16:34:29,595 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-24 16:34:29,596 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-24 16:34:29,596 INFO L276 PluginConnector]: CDTParser initialized [2018-01-24 16:34:29,597 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-optional_true-unreach-call_true-valid-memsafety.i [2018-01-24 16:34:29,765 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-24 16:34:29,769 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-24 16:34:29,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-24 16:34:29,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-24 16:34:29,775 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-24 16:34:29,776 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 04:34:29" (1/1) ... [2018-01-24 16:34:29,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a45686f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:34:29, skipping insertion in model container [2018-01-24 16:34:29,779 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 04:34:29" (1/1) ... [2018-01-24 16:34:29,792 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 16:34:29,832 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 16:34:29,961 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 16:34:29,985 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 16:34:29,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:34:29 WrapperNode [2018-01-24 16:34:29,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-24 16:34:29,997 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-24 16:34:29,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-24 16:34:29,998 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-24 16:34:30,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:34:29" (1/1) ... [2018-01-24 16:34:30,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:34:29" (1/1) ... [2018-01-24 16:34:30,026 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:34:29" (1/1) ... [2018-01-24 16:34:30,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:34:29" (1/1) ... [2018-01-24 16:34:30,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:34:29" (1/1) ... [2018-01-24 16:34:30,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:34:29" (1/1) ... [2018-01-24 16:34:30,041 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:34:29" (1/1) ... [2018-01-24 16:34:30,044 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-24 16:34:30,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-24 16:34:30,045 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-24 16:34:30,045 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-24 16:34:30,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:34:29" (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 16:34:30,095 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-24 16:34:30,095 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-24 16:34:30,096 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-24 16:34:30,096 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-24 16:34:30,096 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-24 16:34:30,096 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-24 16:34:30,096 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-24 16:34:30,096 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-24 16:34:30,097 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-24 16:34:30,097 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-24 16:34:30,097 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-24 16:34:30,097 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-24 16:34:30,097 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-24 16:34:30,097 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-01-24 16:34:30,098 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-24 16:34:30,098 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-24 16:34:30,098 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-24 16:34:30,646 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-24 16:34:30,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 04:34:30 BoogieIcfgContainer [2018-01-24 16:34:30,647 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-24 16:34:30,647 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-24 16:34:30,647 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-24 16:34:30,648 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-24 16:34:30,649 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 04:34:30" (1/1) ... [2018-01-24 16:34:30,696 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-24 16:34:34,118 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-24 16:34:34,172 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-24 16:34:34,178 INFO L268 AbstractInterpreter]: Visited 160 different actions 658 times. Merged at 98 different actions 346 times. Widened at 3 different actions 3 times. Found 56 fixpoints after 31 different actions. Largest state had 57 variables. [2018-01-24 16:34:34,181 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-24 16:34:34,183 INFO L168 Benchmark]: Toolchain (without parser) took 4417.25 ms. Allocated memory was 306.2 MB in the beginning and 656.4 MB in the end (delta: 350.2 MB). Free memory was 262.9 MB in the beginning and 186.6 MB in the end (delta: 76.4 MB). Peak memory consumption was 426.6 MB. Max. memory is 5.3 GB. [2018-01-24 16:34:34,183 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 306.2 MB. Free memory is still 270.9 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-24 16:34:34,184 INFO L168 Benchmark]: CACSL2BoogieTranslator took 227.41 ms. Allocated memory is still 306.2 MB. Free memory was 262.9 MB in the beginning and 250.9 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 5.3 GB. [2018-01-24 16:34:34,184 INFO L168 Benchmark]: Boogie Preprocessor took 46.81 ms. Allocated memory is still 306.2 MB. Free memory was 250.9 MB in the beginning and 248.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-24 16:34:34,184 INFO L168 Benchmark]: RCFGBuilder took 602.47 ms. Allocated memory is still 306.2 MB. Free memory was 248.9 MB in the beginning and 212.0 MB in the end (delta: 36.9 MB). Peak memory consumption was 36.9 MB. Max. memory is 5.3 GB. [2018-01-24 16:34:34,185 INFO L168 Benchmark]: Abstract Interpretation took 3534.25 ms. Allocated memory was 306.2 MB in the beginning and 656.4 MB in the end (delta: 350.2 MB). Free memory was 212.0 MB in the beginning and 186.6 MB in the end (delta: 25.4 MB). Peak memory consumption was 375.7 MB. Max. memory is 5.3 GB. [2018-01-24 16:34:34,187 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 306.2 MB. Free memory is still 270.9 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 227.41 ms. Allocated memory is still 306.2 MB. Free memory was 262.9 MB in the beginning and 250.9 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 46.81 ms. Allocated memory is still 306.2 MB. Free memory was 250.9 MB in the beginning and 248.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 602.47 ms. Allocated memory is still 306.2 MB. Free memory was 248.9 MB in the beginning and 212.0 MB in the end (delta: 36.9 MB). Peak memory consumption was 36.9 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 3534.25 ms. Allocated memory was 306.2 MB in the beginning and 656.4 MB in the end (delta: 350.2 MB). Free memory was 212.0 MB in the beginning and 186.6 MB in the end (delta: 25.4 MB). Peak memory consumption was 375.7 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 120 LocStat_MAX_WEQGRAPH_SIZE : 0 LocStat_MAX_SIZEOF_WEQEDGELABEL : 0 LocStat_NO_SUPPORTING_EQUALITIES : 1348 LocStat_NO_SUPPORTING_DISEQUALITIES : 365 LocStat_NO_DISJUNCTIONS : -240 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 164 TransStat_MAX_WEQGRAPH_SIZE : 0 TransStat_MAX_SIZEOF_WEQEDGELABEL : 0 TransStat_NO_SUPPORTING_EQUALITIES : 264 TransStat_NO_SUPPORTING_DISEQUALITIES : 73 TransStat_NO_DISJUNCTIONS : 204 TransStat_MAX_NO_DISJUNCTIONS : 4 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 1.777970 RENAME_VARIABLES(MILLISECONDS) : 0.706303 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.565523 PROJECTAWAY(MILLISECONDS) : 0.136497 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.003094 DISJOIN(MILLISECONDS) : 0.900687 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.735538 ADD_EQUALITY(MILLISECONDS) : 0.018350 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.009081 #CONJOIN_DISJUNCTIVE : 967 #RENAME_VARIABLES : 2040 #UNFREEZE : 0 #CONJOIN : 1447 #PROJECTAWAY : 1143 #ADD_WEAK_EQUALITY : 113 #DISJOIN : 191 #RENAME_VARIABLES_DISJUNCTIVE : 1815 #ADD_EQUALITY : 317 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 59 - 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: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] 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: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] FCALL head->next = ((void*)0) [L987] COND TRUE __VERIFIER_nondet_int() [L987] FCALL head->data = 2 - 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: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] FCALL head->next = ((void*)0) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] 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: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] FCALL head->next = ((void*)0) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] COND TRUE __VERIFIER_nondet_int() [L987] FCALL head->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: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] FCALL head->next = ((void*)0) [L987] COND TRUE __VERIFIER_nondet_int() [L987] FCALL head->data = 2 [L987] EXPR, FCALL malloc(sizeof(SLL)) [L987] FCALL head->opt = 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: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] FCALL head->next = ((void*)0) [L987] COND TRUE __VERIFIER_nondet_int() [L987] FCALL head->data = 2 [L987] EXPR, FCALL malloc(sizeof(SLL)) [L987] FCALL head->opt = 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: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] FCALL head->next = ((void*)0) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] FCALL head->data = 0 [L987] FCALL head->opt = 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: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] FCALL head->next = ((void*)0) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] COND TRUE __VERIFIER_nondet_int() [L987] FCALL head->data = 1 [L987] FCALL head->opt = 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: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] FCALL head->next = ((void*)0) [L987] COND TRUE __VERIFIER_nondet_int() [L987] FCALL head->data = 2 [L987] EXPR, FCALL malloc(sizeof(SLL)) [L987] FCALL head->opt = malloc(sizeof(SLL)) [L987] FCALL head->opt - 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: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] FCALL head->next = ((void*)0) [L987] COND TRUE __VERIFIER_nondet_int() [L987] FCALL head->data = 2 [L987] EXPR, FCALL malloc(sizeof(SLL)) [L987] FCALL head->opt = malloc(sizeof(SLL)) [L987] EXPR, FCALL head->opt [L987] FCALL head->opt->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: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] FCALL head->next = ((void*)0) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] FCALL head->data = 0 [L987] FCALL head->opt = head [L988] SLL* x = head; [L990] COND TRUE __VERIFIER_nondet_int() [L990] EXPR, FCALL malloc(sizeof(SLL)) [L990] 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: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] FCALL head->next = ((void*)0) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] FCALL head->data = 0 [L987] FCALL head->opt = head [L988] SLL* x = head; [L990] COND TRUE __VERIFIER_nondet_int() [L990] EXPR, FCALL malloc(sizeof(SLL)) [L990] 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: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] FCALL head->next = ((void*)0) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] FCALL head->data = 0 [L987] FCALL head->opt = head [L988] SLL* x = head; [L990] COND TRUE __VERIFIER_nondet_int() [L990] EXPR, FCALL malloc(sizeof(SLL)) [L990] FCALL x->next = malloc(sizeof(SLL)) [L990] 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: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] FCALL head->next = ((void*)0) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] FCALL head->data = 0 [L987] FCALL head->opt = head [L988] SLL* x = head; [L990] COND FALSE !(__VERIFIER_nondet_int()) [L993] x = head [L994] COND TRUE x != ((void*)0) [L996] 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: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] FCALL head->next = ((void*)0) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] FCALL head->data = 0 [L987] FCALL head->opt = head [L988] SLL* x = head; [L990] COND TRUE __VERIFIER_nondet_int() [L990] EXPR, FCALL malloc(sizeof(SLL)) [L990] FCALL x->next = malloc(sizeof(SLL)) [L990] EXPR, FCALL x->next [L990] x = x->next [L990] 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: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] FCALL head->next = ((void*)0) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] FCALL head->data = 0 [L987] FCALL head->opt = head [L988] SLL* x = head; [L990] COND FALSE !(__VERIFIER_nondet_int()) [L993] x = head [L994] COND TRUE x != ((void*)0) [L996] EXPR, FCALL x->data [L996] x->data == 2 && x->opt != x [L996] FCALL x->opt - 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: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] FCALL head->next = ((void*)0) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] FCALL head->data = 0 [L987] FCALL head->opt = head [L988] SLL* x = head; [L990] COND TRUE __VERIFIER_nondet_int() [L990] EXPR, FCALL malloc(sizeof(SLL)) [L990] FCALL x->next = malloc(sizeof(SLL)) [L990] EXPR, FCALL x->next [L990] x = x->next [L990] FCALL x->next = ((void*)0) [L990] COND TRUE __VERIFIER_nondet_int() [L990] FCALL x->data = 2 - 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: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] FCALL head->next = ((void*)0) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] FCALL head->data = 0 [L987] FCALL head->opt = head [L988] SLL* x = head; [L990] COND TRUE __VERIFIER_nondet_int() [L990] EXPR, FCALL malloc(sizeof(SLL)) [L990] FCALL x->next = malloc(sizeof(SLL)) [L990] EXPR, FCALL x->next [L990] x = x->next [L990] FCALL x->next = ((void*)0) [L990] COND FALSE !(__VERIFIER_nondet_int()) [L990] COND FALSE !(__VERIFIER_nondet_int()) [L990] 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: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] FCALL head->next = ((void*)0) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] FCALL head->data = 0 [L987] FCALL head->opt = head [L988] SLL* x = head; [L990] COND TRUE __VERIFIER_nondet_int() [L990] EXPR, FCALL malloc(sizeof(SLL)) [L990] FCALL x->next = malloc(sizeof(SLL)) [L990] EXPR, FCALL x->next [L990] x = x->next [L990] FCALL x->next = ((void*)0) [L990] COND FALSE !(__VERIFIER_nondet_int()) [L990] COND TRUE __VERIFIER_nondet_int() [L990] 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: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] FCALL head->next = ((void*)0) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] FCALL head->data = 0 [L987] FCALL head->opt = head [L988] SLL* x = head; [L990] COND TRUE __VERIFIER_nondet_int() [L990] EXPR, FCALL malloc(sizeof(SLL)) [L990] FCALL x->next = malloc(sizeof(SLL)) [L990] EXPR, FCALL x->next [L990] x = x->next [L990] FCALL x->next = ((void*)0) [L990] COND TRUE __VERIFIER_nondet_int() [L990] FCALL x->data = 2 [L990] EXPR, FCALL malloc(sizeof(SLL)) [L990] FCALL x->opt = 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: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] FCALL head->next = ((void*)0) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] FCALL head->data = 0 [L987] FCALL head->opt = head [L988] SLL* x = head; [L990] COND TRUE __VERIFIER_nondet_int() [L990] EXPR, FCALL malloc(sizeof(SLL)) [L990] FCALL x->next = malloc(sizeof(SLL)) [L990] EXPR, FCALL x->next [L990] x = x->next [L990] FCALL x->next = ((void*)0) [L990] COND TRUE __VERIFIER_nondet_int() [L990] FCALL x->data = 2 [L990] EXPR, FCALL malloc(sizeof(SLL)) [L990] FCALL x->opt = 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: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] FCALL head->next = ((void*)0) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] FCALL head->data = 0 [L987] FCALL head->opt = head [L988] SLL* x = head; [L990] COND TRUE __VERIFIER_nondet_int() [L990] EXPR, FCALL malloc(sizeof(SLL)) [L990] FCALL x->next = malloc(sizeof(SLL)) [L990] EXPR, FCALL x->next [L990] x = x->next [L990] FCALL x->next = ((void*)0) [L990] COND FALSE !(__VERIFIER_nondet_int()) [L990] COND FALSE !(__VERIFIER_nondet_int()) [L990] FCALL x->data = 0 [L990] FCALL x->opt = x - 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: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] FCALL head->next = ((void*)0) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] FCALL head->data = 0 [L987] FCALL head->opt = head [L988] SLL* x = head; [L990] COND TRUE __VERIFIER_nondet_int() [L990] EXPR, FCALL malloc(sizeof(SLL)) [L990] FCALL x->next = malloc(sizeof(SLL)) [L990] EXPR, FCALL x->next [L990] x = x->next [L990] FCALL x->next = ((void*)0) [L990] COND FALSE !(__VERIFIER_nondet_int()) [L990] COND TRUE __VERIFIER_nondet_int() [L990] FCALL x->data = 1 [L990] FCALL x->opt = x - 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: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] FCALL head->next = ((void*)0) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] FCALL head->data = 0 [L987] FCALL head->opt = head [L988] SLL* x = head; [L990] COND TRUE __VERIFIER_nondet_int() [L990] EXPR, FCALL malloc(sizeof(SLL)) [L990] FCALL x->next = malloc(sizeof(SLL)) [L990] EXPR, FCALL x->next [L990] x = x->next [L990] FCALL x->next = ((void*)0) [L990] COND TRUE __VERIFIER_nondet_int() [L990] FCALL x->data = 2 [L990] EXPR, FCALL malloc(sizeof(SLL)) [L990] FCALL x->opt = malloc(sizeof(SLL)) [L990] FCALL x->opt - 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: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] FCALL head->next = ((void*)0) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] FCALL head->data = 0 [L987] FCALL head->opt = head [L988] SLL* x = head; [L990] COND FALSE !(__VERIFIER_nondet_int()) [L993] x = head [L994] COND TRUE x != ((void*)0) [L996] EXPR, FCALL x->data [L996] EXPR x->data == 2 && x->opt != x [L996] EXPR, FCALL x->opt [L996] EXPR x->data == 2 && x->opt != x [L996] x->data == 2 && x->opt != x && x->opt->next == ((void*)0) [L996] FCALL x->opt - 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: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] FCALL head->next = ((void*)0) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] FCALL head->data = 0 [L987] FCALL head->opt = head [L988] SLL* x = head; [L990] COND FALSE !(__VERIFIER_nondet_int()) [L993] x = head [L994] COND TRUE x != ((void*)0) [L996] EXPR, FCALL x->data [L996] EXPR x->data == 2 && x->opt != x [L996] EXPR x->data == 2 && x->opt != x && x->opt->next == ((void*)0) [L996] (x->data == 2 && x->opt != x && x->opt->next == ((void*)0)) || x->opt == x [L996] FCALL x->opt - 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: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] FCALL head->next = ((void*)0) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] FCALL head->data = 0 [L987] FCALL head->opt = head [L988] SLL* x = head; [L990] COND TRUE __VERIFIER_nondet_int() [L990] EXPR, FCALL malloc(sizeof(SLL)) [L990] FCALL x->next = malloc(sizeof(SLL)) [L990] EXPR, FCALL x->next [L990] x = x->next [L990] FCALL x->next = ((void*)0) [L990] COND TRUE __VERIFIER_nondet_int() [L990] FCALL x->data = 2 [L990] EXPR, FCALL malloc(sizeof(SLL)) [L990] FCALL x->opt = malloc(sizeof(SLL)) [L990] EXPR, FCALL x->opt [L990] FCALL x->opt->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: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] FCALL head->next = ((void*)0) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] FCALL head->data = 0 [L987] FCALL head->opt = head [L988] SLL* x = head; [L990] COND FALSE !(__VERIFIER_nondet_int()) [L993] x = head [L994] COND TRUE x != ((void*)0) [L996] EXPR, FCALL x->data [L996] EXPR x->data == 2 && x->opt != x [L996] EXPR, FCALL x->opt [L996] EXPR x->data == 2 && x->opt != x [L996] x->data == 2 && x->opt != x && x->opt->next == ((void*)0) [L996] EXPR, FCALL x->opt [L996] FCALL x->opt->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: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] FCALL head->next = ((void*)0) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] FCALL head->data = 0 [L987] FCALL head->opt = head [L988] SLL* x = head; [L990] COND FALSE !(__VERIFIER_nondet_int()) [L993] x = head [L994] COND TRUE x != ((void*)0) [L996] EXPR, FCALL x->data [L996] EXPR x->data == 2 && x->opt != x [L996] EXPR, FCALL x->opt [L996] EXPR x->data == 2 && x->opt != x [L996] x->data == 2 && x->opt != x && x->opt->next == ((void*)0) [L996] EXPR, FCALL x->opt [L996] FCALL x->opt->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: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] FCALL head->next = ((void*)0) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] FCALL head->data = 0 [L987] FCALL head->opt = head [L988] SLL* x = head; [L990] COND FALSE !(__VERIFIER_nondet_int()) [L993] x = head [L994] COND TRUE x != ((void*)0) [L996] EXPR, FCALL x->data [L996] EXPR x->data == 2 && x->opt != x [L996] EXPR x->data == 2 && x->opt != x && x->opt->next == ((void*)0) [L996] EXPR (x->data == 2 && x->opt != x && x->opt->next == ((void*)0)) || x->opt == x [L996] EXPR, FCALL x->opt [L996] EXPR (x->data == 2 && x->opt != x && x->opt->next == ((void*)0)) || x->opt == x [L996] COND FALSE !(!((x->data == 2 && x->opt != x && x->opt->next == ((void*)0)) || x->opt == x)) [L996] COND FALSE !(0) [L997] 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: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] FCALL head->next = ((void*)0) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] FCALL head->data = 0 [L987] FCALL head->opt = head [L988] SLL* x = head; [L990] COND FALSE !(__VERIFIER_nondet_int()) [L993] x = head [L994] COND TRUE x != ((void*)0) [L996] EXPR, FCALL x->data [L996] EXPR x->data == 2 && x->opt != x [L996] EXPR x->data == 2 && x->opt != x && x->opt->next == ((void*)0) [L996] EXPR (x->data == 2 && x->opt != x && x->opt->next == ((void*)0)) || x->opt == x [L996] EXPR, FCALL x->opt [L996] EXPR (x->data == 2 && x->opt != x && x->opt->next == ((void*)0)) || x->opt == x [L996] COND FALSE !(!((x->data == 2 && x->opt != x && x->opt->next == ((void*)0)) || x->opt == x)) [L996] COND FALSE !(0) [L997] EXPR, FCALL x->next [L997] x = x->next [L994] COND TRUE x != ((void*)0) [L996] 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: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] FCALL head->next = ((void*)0) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] FCALL head->data = 0 [L987] FCALL head->opt = head [L988] SLL* x = head; [L990] COND FALSE !(__VERIFIER_nondet_int()) [L993] x = head [L994] COND TRUE x != ((void*)0) [L996] EXPR, FCALL x->data [L996] EXPR x->data == 2 && x->opt != x [L996] EXPR x->data == 2 && x->opt != x && x->opt->next == ((void*)0) [L996] EXPR (x->data == 2 && x->opt != x && x->opt->next == ((void*)0)) || x->opt == x [L996] EXPR, FCALL x->opt [L996] EXPR (x->data == 2 && x->opt != x && x->opt->next == ((void*)0)) || x->opt == x [L996] COND FALSE !(!((x->data == 2 && x->opt != x && x->opt->next == ((void*)0)) || x->opt == x)) [L996] COND FALSE !(0) [L997] EXPR, FCALL x->next [L997] x = x->next [L994] COND FALSE !(x != ((void*)0)) [L1000] x = head [L1002] COND TRUE x != ((void*)0) [L1004] head = x [L1005] 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: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] FCALL head->next = ((void*)0) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] FCALL head->data = 0 [L987] FCALL head->opt = head [L988] SLL* x = head; [L990] COND FALSE !(__VERIFIER_nondet_int()) [L993] x = head [L994] COND TRUE x != ((void*)0) [L996] EXPR, FCALL x->data [L996] EXPR x->data == 2 && x->opt != x [L996] EXPR x->data == 2 && x->opt != x && x->opt->next == ((void*)0) [L996] EXPR (x->data == 2 && x->opt != x && x->opt->next == ((void*)0)) || x->opt == x [L996] EXPR, FCALL x->opt [L996] EXPR (x->data == 2 && x->opt != x && x->opt->next == ((void*)0)) || x->opt == x [L996] COND FALSE !(!((x->data == 2 && x->opt != x && x->opt->next == ((void*)0)) || x->opt == x)) [L996] COND FALSE !(0) [L997] EXPR, FCALL x->next [L997] x = x->next [L994] COND FALSE !(x != ((void*)0)) [L1000] x = head [L1002] COND TRUE x != ((void*)0) [L1004] head = x [L1005] EXPR, FCALL x->next [L1005] x = x->next [L1006] FCALL head->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: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] FCALL head->next = ((void*)0) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] FCALL head->data = 0 [L987] FCALL head->opt = head [L988] SLL* x = head; [L990] COND FALSE !(__VERIFIER_nondet_int()) [L993] x = head [L994] COND TRUE x != ((void*)0) [L996] EXPR, FCALL x->data [L996] EXPR x->data == 2 && x->opt != x [L996] EXPR x->data == 2 && x->opt != x && x->opt->next == ((void*)0) [L996] EXPR (x->data == 2 && x->opt != x && x->opt->next == ((void*)0)) || x->opt == x [L996] EXPR, FCALL x->opt [L996] EXPR (x->data == 2 && x->opt != x && x->opt->next == ((void*)0)) || x->opt == x [L996] COND FALSE !(!((x->data == 2 && x->opt != x && x->opt->next == ((void*)0)) || x->opt == x)) [L996] COND FALSE !(0) [L997] EXPR, FCALL x->next [L997] x = x->next [L994] COND FALSE !(x != ((void*)0)) [L1000] x = head [L1002] COND TRUE x != ((void*)0) [L1004] head = x [L1005] EXPR, FCALL x->next [L1005] x = x->next [L1006] EXPR, FCALL head->data [L1006] COND TRUE head->data == 2 [L1007] FCALL head->opt - 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: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] FCALL head->next = ((void*)0) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] FCALL head->data = 0 [L987] FCALL head->opt = head [L988] SLL* x = head; [L990] COND FALSE !(__VERIFIER_nondet_int()) [L993] x = head [L994] COND TRUE x != ((void*)0) [L996] EXPR, FCALL x->data [L996] EXPR x->data == 2 && x->opt != x [L996] EXPR x->data == 2 && x->opt != x && x->opt->next == ((void*)0) [L996] EXPR (x->data == 2 && x->opt != x && x->opt->next == ((void*)0)) || x->opt == x [L996] EXPR, FCALL x->opt [L996] EXPR (x->data == 2 && x->opt != x && x->opt->next == ((void*)0)) || x->opt == x [L996] COND FALSE !(!((x->data == 2 && x->opt != x && x->opt->next == ((void*)0)) || x->opt == x)) [L996] COND FALSE !(0) [L997] EXPR, FCALL x->next [L997] x = x->next [L994] COND FALSE !(x != ((void*)0)) [L1000] x = head [L1002] COND TRUE x != ((void*)0) [L1004] head = x [L1005] EXPR, FCALL x->next [L1005] x = x->next [L1006] EXPR, FCALL head->data [L1006] COND TRUE head->data == 2 [L1007] EXPR, FCALL head->opt [L1007] FCALL free(head->opt) - 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: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] FCALL head->next = ((void*)0) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] FCALL head->data = 0 [L987] FCALL head->opt = head [L988] SLL* x = head; [L990] COND FALSE !(__VERIFIER_nondet_int()) [L993] x = head [L994] COND TRUE x != ((void*)0) [L996] EXPR, FCALL x->data [L996] EXPR x->data == 2 && x->opt != x [L996] EXPR x->data == 2 && x->opt != x && x->opt->next == ((void*)0) [L996] EXPR (x->data == 2 && x->opt != x && x->opt->next == ((void*)0)) || x->opt == x [L996] EXPR, FCALL x->opt [L996] EXPR (x->data == 2 && x->opt != x && x->opt->next == ((void*)0)) || x->opt == x [L996] COND FALSE !(!((x->data == 2 && x->opt != x && x->opt->next == ((void*)0)) || x->opt == x)) [L996] COND FALSE !(0) [L997] EXPR, FCALL x->next [L997] x = x->next [L994] COND FALSE !(x != ((void*)0)) [L1000] x = head [L1002] COND TRUE x != ((void*)0) [L1004] head = x [L1005] EXPR, FCALL x->next [L1005] x = x->next [L1006] EXPR, FCALL head->data [L1006] COND TRUE head->data == 2 [L1007] EXPR, FCALL head->opt [L1007] FCALL free(head->opt) - 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: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] FCALL head->next = ((void*)0) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] FCALL head->data = 0 [L987] FCALL head->opt = head [L988] SLL* x = head; [L990] COND FALSE !(__VERIFIER_nondet_int()) [L993] x = head [L994] COND TRUE x != ((void*)0) [L996] EXPR, FCALL x->data [L996] EXPR x->data == 2 && x->opt != x [L996] EXPR x->data == 2 && x->opt != x && x->opt->next == ((void*)0) [L996] EXPR (x->data == 2 && x->opt != x && x->opt->next == ((void*)0)) || x->opt == x [L996] EXPR, FCALL x->opt [L996] EXPR (x->data == 2 && x->opt != x && x->opt->next == ((void*)0)) || x->opt == x [L996] COND FALSE !(!((x->data == 2 && x->opt != x && x->opt->next == ((void*)0)) || x->opt == x)) [L996] COND FALSE !(0) [L997] EXPR, FCALL x->next [L997] x = x->next [L994] COND FALSE !(x != ((void*)0)) [L1000] x = head [L1002] COND TRUE x != ((void*)0) [L1004] head = x [L1005] EXPR, FCALL x->next [L1005] x = x->next [L1006] EXPR, FCALL head->data [L1006] COND TRUE head->data == 2 [L1007] EXPR, FCALL head->opt [L1007] FCALL free(head->opt) [L1008] FCALL free(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: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] FCALL head->next = ((void*)0) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] FCALL head->data = 0 [L987] FCALL head->opt = head [L988] SLL* x = head; [L990] COND TRUE __VERIFIER_nondet_int() [L990] EXPR, FCALL malloc(sizeof(SLL)) [L990] FCALL x->next = malloc(sizeof(SLL)) [L990] EXPR, FCALL x->next [L990] x = x->next [L990] FCALL x->next = ((void*)0) [L990] COND TRUE __VERIFIER_nondet_int() [L990] FCALL x->data = 2 [L990] EXPR, FCALL malloc(sizeof(SLL)) [L990] FCALL x->opt = malloc(sizeof(SLL)) [L990] EXPR, FCALL x->opt [L990] FCALL x->opt->next = ((void*)0) [L990] COND FALSE !(__VERIFIER_nondet_int()) [L993] x = head [L994] COND FALSE !(x != ((void*)0)) [L1000] x = head [L1002] COND TRUE x != ((void*)0) [L1004] head = x [L1005] EXPR, FCALL x->next [L1005] x = x->next [L1006] EXPR, FCALL head->data [L1006] COND FALSE !(head->data == 2) [L1008] FCALL free(head) [L1002] COND TRUE x != ((void*)0) [L1004] head = x [L1005] FCALL x->next - UnprovableResult [Line: 982]: 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: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] FCALL head->next = ((void*)0) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] FCALL head->data = 0 [L987] FCALL head->opt = head [L988] SLL* x = head; [L990] COND FALSE !(__VERIFIER_nondet_int()) [L993] x = head [L994] COND TRUE x != ((void*)0) [L996] EXPR, FCALL x->data [L996] EXPR x->data == 2 && x->opt != x [L996] EXPR x->data == 2 && x->opt != x && x->opt->next == ((void*)0) [L996] EXPR (x->data == 2 && x->opt != x && x->opt->next == ((void*)0)) || x->opt == x [L996] EXPR, FCALL x->opt [L996] EXPR (x->data == 2 && x->opt != x && x->opt->next == ((void*)0)) || x->opt == x [L996] COND FALSE !(!((x->data == 2 && x->opt != x && x->opt->next == ((void*)0)) || x->opt == x)) [L996] COND FALSE !(0) [L997] EXPR, FCALL x->next [L997] x = x->next [L994] COND FALSE !(x != ((void*)0)) [L1000] x = head [L1002] COND TRUE x != ((void*)0) [L1004] head = x [L1005] EXPR, FCALL x->next [L1005] x = x->next [L1006] EXPR, FCALL head->data [L1006] COND FALSE !(head->data == 2) [L1008] FCALL free(head) [L1002] COND FALSE !(x != ((void*)0)) [L1011] 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: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] FCALL head->next = ((void*)0) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] COND FALSE !(__VERIFIER_nondet_int()) [L987] FCALL head->data = 0 [L987] FCALL head->opt = head [L988] SLL* x = head; [L990] COND TRUE __VERIFIER_nondet_int() [L990] EXPR, FCALL malloc(sizeof(SLL)) [L990] FCALL x->next = malloc(sizeof(SLL)) [L990] EXPR, FCALL x->next [L990] x = x->next [L990] FCALL x->next = ((void*)0) [L990] COND TRUE __VERIFIER_nondet_int() [L990] FCALL x->data = 2 [L990] EXPR, FCALL malloc(sizeof(SLL)) [L990] FCALL x->opt = malloc(sizeof(SLL)) [L990] EXPR, FCALL x->opt [L990] FCALL x->opt->next = ((void*)0) [L990] COND FALSE !(__VERIFIER_nondet_int()) [L993] x = head [L994] COND FALSE !(x != ((void*)0)) [L1000] x = head [L1002] COND TRUE x != ((void*)0) [L1004] head = x [L1005] EXPR, FCALL x->next [L1005] x = x->next [L1006] EXPR, FCALL head->data [L1006] COND FALSE !(head->data == 2) [L1008] FCALL free(head) [L1002] COND TRUE x != ((void*)0) [L1004] head = x [L1005] EXPR, FCALL x->next [L1005] x = x->next [L1006] EXPR, FCALL head->data [L1006] COND FALSE !(head->data == 2) [L1008] 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]: 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 - 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-optional_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-24_16-34-34-202.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/sll-optional_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-24_16-34-34-202.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/sll-optional_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-24_16-34-34-202.csv Received shutdown request...