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/dll-circular_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-24 16:33:50,981 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-24 16:33:50,982 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-24 16:33:50,996 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-24 16:33:50,997 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-24 16:33:50,998 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-24 16:33:50,999 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-24 16:33:51,001 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-24 16:33:51,004 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-24 16:33:51,004 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-24 16:33:51,005 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-24 16:33:51,005 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-24 16:33:51,006 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-24 16:33:51,007 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-24 16:33:51,008 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-24 16:33:51,010 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-24 16:33:51,013 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-24 16:33:51,015 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-24 16:33:51,016 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-24 16:33:51,017 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-24 16:33:51,020 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-24 16:33:51,020 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-24 16:33:51,020 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-24 16:33:51,021 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-24 16:33:51,022 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-24 16:33:51,024 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-24 16:33:51,024 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-24 16:33:51,025 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-24 16:33:51,025 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-24 16:33:51,025 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-24 16:33:51,026 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-24 16:33:51,027 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 16:33:51,037 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-24 16:33:51,037 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-24 16:33:51,038 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-24 16:33:51,038 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-24 16:33:51,039 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-24 16:33:51,039 INFO L133 SettingsManager]: * Deactivate Weak Equivalences=true [2018-01-24 16:33:51,039 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-24 16:33:51,039 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-24 16:33:51,040 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-24 16:33:51,040 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-24 16:33:51,040 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-24 16:33:51,040 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-24 16:33:51,041 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-24 16:33:51,041 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-24 16:33:51,041 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-24 16:33:51,041 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-24 16:33:51,041 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-24 16:33:51,042 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-24 16:33:51,042 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-24 16:33:51,042 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-24 16:33:51,042 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-24 16:33:51,042 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-24 16:33:51,042 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-24 16:33:51,043 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-24 16:33:51,043 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 16:33:51,043 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-24 16:33:51,043 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-24 16:33:51,044 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-24 16:33:51,044 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-24 16:33:51,044 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-24 16:33:51,044 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-24 16:33:51,044 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-24 16:33:51,044 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-24 16:33:51,045 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-24 16:33:51,046 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-24 16:33:51,080 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-24 16:33:51,094 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-24 16:33:51,098 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-24 16:33:51,100 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-24 16:33:51,100 INFO L276 PluginConnector]: CDTParser initialized [2018-01-24 16:33:51,101 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-circular_true-unreach-call_true-valid-memsafety.i [2018-01-24 16:33:51,262 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-24 16:33:51,269 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-24 16:33:51,270 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-24 16:33:51,271 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-24 16:33:51,277 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-24 16:33:51,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 04:33:51" (1/1) ... [2018-01-24 16:33:51,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cdc1dbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:33:51, skipping insertion in model container [2018-01-24 16:33:51,281 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 04:33:51" (1/1) ... [2018-01-24 16:33:51,302 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 16:33:51,348 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 16:33:51,477 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 16:33:51,495 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 16:33:51,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:33:51 WrapperNode [2018-01-24 16:33:51,503 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-24 16:33:51,503 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-24 16:33:51,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-24 16:33:51,503 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-24 16:33:51,518 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:33:51" (1/1) ... [2018-01-24 16:33:51,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:33:51" (1/1) ... [2018-01-24 16:33:51,531 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:33:51" (1/1) ... [2018-01-24 16:33:51,531 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:33:51" (1/1) ... [2018-01-24 16:33:51,537 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:33:51" (1/1) ... [2018-01-24 16:33:51,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:33:51" (1/1) ... [2018-01-24 16:33:51,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:33:51" (1/1) ... [2018-01-24 16:33:51,546 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-24 16:33:51,547 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-24 16:33:51,547 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-24 16:33:51,547 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-24 16:33:51,549 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:33:51" (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 16:33:51,599 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-24 16:33:51,600 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-24 16:33:51,600 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-24 16:33:51,600 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-24 16:33:51,600 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-24 16:33:51,600 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-24 16:33:51,600 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-24 16:33:51,601 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-24 16:33:51,601 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-24 16:33:51,601 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-24 16:33:51,601 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-24 16:33:51,601 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-24 16:33:51,601 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-24 16:33:51,602 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-01-24 16:33:51,602 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-24 16:33:51,602 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-24 16:33:51,602 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-24 16:33:52,040 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-24 16:33:52,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 04:33:52 BoogieIcfgContainer [2018-01-24 16:33:52,041 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-24 16:33:52,042 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-24 16:33:52,042 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-24 16:33:52,042 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-24 16:33:52,043 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 04:33:52" (1/1) ... [2018-01-24 16:33:52,107 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-24 16:33:55,373 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-24 16:33:55,403 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-24 16:33:55,410 INFO L268 AbstractInterpreter]: Visited 131 different actions 644 times. Merged at 87 different actions 354 times. Widened at 4 different actions 5 times. Found 37 fixpoints after 25 different actions. Largest state had 48 variables. [2018-01-24 16:33:55,413 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-24 16:33:55,414 INFO L168 Benchmark]: Toolchain (without parser) took 4151.55 ms. Allocated memory was 302.0 MB in the beginning and 682.1 MB in the end (delta: 380.1 MB). Free memory was 260.9 MB in the beginning and 285.7 MB in the end (delta: -24.8 MB). Peak memory consumption was 355.3 MB. Max. memory is 5.3 GB. [2018-01-24 16:33:55,415 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 302.0 MB. Free memory is still 266.9 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-24 16:33:55,416 INFO L168 Benchmark]: CACSL2BoogieTranslator took 232.46 ms. Allocated memory is still 302.0 MB. Free memory was 260.9 MB in the beginning and 248.9 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 5.3 GB. [2018-01-24 16:33:55,416 INFO L168 Benchmark]: Boogie Preprocessor took 43.40 ms. Allocated memory is still 302.0 MB. Free memory was 248.9 MB in the beginning and 247.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-24 16:33:55,416 INFO L168 Benchmark]: RCFGBuilder took 494.08 ms. Allocated memory is still 302.0 MB. Free memory was 247.0 MB in the beginning and 216.0 MB in the end (delta: 31.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 5.3 GB. [2018-01-24 16:33:55,417 INFO L168 Benchmark]: Abstract Interpretation took 3371.75 ms. Allocated memory was 302.0 MB in the beginning and 682.1 MB in the end (delta: 380.1 MB). Free memory was 216.0 MB in the beginning and 285.7 MB in the end (delta: -69.7 MB). Peak memory consumption was 310.4 MB. Max. memory is 5.3 GB. [2018-01-24 16:33:55,419 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 302.0 MB. Free memory is still 266.9 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 232.46 ms. Allocated memory is still 302.0 MB. Free memory was 260.9 MB in the beginning and 248.9 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 43.40 ms. Allocated memory is still 302.0 MB. Free memory was 248.9 MB in the beginning and 247.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 494.08 ms. Allocated memory is still 302.0 MB. Free memory was 247.0 MB in the beginning and 216.0 MB in the end (delta: 31.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 3371.75 ms. Allocated memory was 302.0 MB in the beginning and 682.1 MB in the end (delta: 380.1 MB). Free memory was 216.0 MB in the beginning and 285.7 MB in the end (delta: -69.7 MB). Peak memory consumption was 310.4 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 95 LocStat_MAX_WEQGRAPH_SIZE : 0 LocStat_MAX_SIZEOF_WEQEDGELABEL : 0 LocStat_NO_SUPPORTING_EQUALITIES : 1142 LocStat_NO_SUPPORTING_DISEQUALITIES : 484 LocStat_NO_DISJUNCTIONS : -190 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 135 TransStat_MAX_WEQGRAPH_SIZE : 0 TransStat_MAX_SIZEOF_WEQEDGELABEL : 0 TransStat_NO_SUPPORTING_EQUALITIES : 189 TransStat_NO_SUPPORTING_DISEQUALITIES : 51 TransStat_NO_DISJUNCTIONS : 154 TransStat_MAX_NO_DISJUNCTIONS : 4 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.462995 RENAME_VARIABLES(MILLISECONDS) : 0.164456 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.195806 PROJECTAWAY(MILLISECONDS) : 0.033624 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.001961 DISJOIN(MILLISECONDS) : 0.470187 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.183481 ADD_EQUALITY(MILLISECONDS) : 0.010990 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.012683 #CONJOIN_DISJUNCTIVE : 1193 #RENAME_VARIABLES : 2482 #UNFREEZE : 0 #CONJOIN : 1546 #PROJECTAWAY : 1289 #ADD_WEAK_EQUALITY : 55 #DISJOIN : 392 #RENAME_VARIABLES_DISJUNCTIVE : 2318 #ADD_EQUALITY : 208 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 43 - 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: [L986] EXPR, FCALL malloc(sizeof(SLL)) [L986] SLL* head = malloc(sizeof(SLL)); [L987] FCALL head->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: [L986] EXPR, FCALL malloc(sizeof(SLL)) [L986] SLL* head = malloc(sizeof(SLL)); [L987] FCALL head->next = head [L988] FCALL head->prev = ((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: [L986] EXPR, FCALL malloc(sizeof(SLL)) [L986] SLL* head = malloc(sizeof(SLL)); [L987] FCALL head->next = head [L988] FCALL head->prev = ((void*)0) [L989] 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: [L986] EXPR, FCALL malloc(sizeof(SLL)) [L986] SLL* head = malloc(sizeof(SLL)); [L987] FCALL head->next = head [L988] FCALL head->prev = ((void*)0) [L989] FCALL head->data = 0 [L991] SLL* x = head; [L992] int state = 1; [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1017] FCALL x->data = state - 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: [L986] EXPR, FCALL malloc(sizeof(SLL)) [L986] SLL* head = malloc(sizeof(SLL)); [L987] FCALL head->next = head [L988] FCALL head->prev = ((void*)0) [L989] FCALL head->data = 0 [L991] SLL* x = head; [L992] int state = 1; [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1017] FCALL x->data = state [L1019] FCALL head->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: [L986] EXPR, FCALL malloc(sizeof(SLL)) [L986] SLL* head = malloc(sizeof(SLL)); [L987] FCALL head->next = head [L988] FCALL head->prev = ((void*)0) [L989] FCALL head->data = 0 [L991] SLL* x = head; [L992] int state = 1; [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: [L986] EXPR, FCALL malloc(sizeof(SLL)) [L986] SLL* head = malloc(sizeof(SLL)); [L987] FCALL head->next = head [L988] FCALL head->prev = ((void*)0) [L989] FCALL head->data = 0 [L991] SLL* x = head; [L992] int state = 1; [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: [L986] EXPR, FCALL malloc(sizeof(SLL)) [L986] SLL* head = malloc(sizeof(SLL)); [L987] FCALL head->next = head [L988] FCALL head->prev = ((void*)0) [L989] FCALL head->data = 0 [L991] SLL* x = head; [L992] int state = 1; [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: [L986] EXPR, FCALL malloc(sizeof(SLL)) [L986] SLL* head = malloc(sizeof(SLL)); [L987] FCALL head->next = head [L988] FCALL head->prev = ((void*)0) [L989] FCALL head->data = 0 [L991] SLL* x = head; [L992] int state = 1; [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] FCALL x->next->prev = 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: [L986] EXPR, FCALL malloc(sizeof(SLL)) [L986] SLL* head = malloc(sizeof(SLL)); [L987] FCALL head->next = head [L988] FCALL head->prev = ((void*)0) [L989] FCALL head->data = 0 [L991] SLL* x = head; [L992] int state = 1; [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] FCALL x->next->prev = x [L1000] 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: [L986] EXPR, FCALL malloc(sizeof(SLL)) [L986] SLL* head = malloc(sizeof(SLL)); [L987] FCALL head->next = head [L988] FCALL head->prev = ((void*)0) [L989] FCALL head->data = 0 [L991] SLL* x = head; [L992] int state = 1; [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1017] FCALL x->data = state [L1019] EXPR, FCALL head->next [L1019] x = head->next [L1020] COND FALSE !(!(((void*)0) != x)) [L1020] COND FALSE !(0) [L1022] 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: [L986] EXPR, FCALL malloc(sizeof(SLL)) [L986] SLL* head = malloc(sizeof(SLL)); [L987] FCALL head->next = head [L988] FCALL head->prev = ((void*)0) [L989] FCALL head->data = 0 [L991] SLL* x = head; [L992] int state = 1; [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1017] FCALL x->data = state [L1019] EXPR, FCALL head->next [L1019] x = head->next [L1020] COND FALSE !(!(((void*)0) != x)) [L1020] COND FALSE !(0) [L1022] 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: [L986] EXPR, FCALL malloc(sizeof(SLL)) [L986] SLL* head = malloc(sizeof(SLL)); [L987] FCALL head->next = head [L988] FCALL head->prev = ((void*)0) [L989] FCALL head->data = 0 [L991] SLL* x = head; [L992] int state = 1; [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] FCALL x->next->prev = x [L1000] EXPR, FCALL x->next [L1000] x = x->next [L1001] 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: [L986] EXPR, FCALL malloc(sizeof(SLL)) [L986] SLL* head = malloc(sizeof(SLL)); [L987] FCALL head->next = head [L988] FCALL head->prev = ((void*)0) [L989] FCALL head->data = 0 [L991] SLL* x = head; [L992] int state = 1; [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] FCALL x->next->prev = x [L1000] EXPR, FCALL x->next [L1000] x = x->next [L1001] 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: [L986] EXPR, FCALL malloc(sizeof(SLL)) [L986] SLL* head = malloc(sizeof(SLL)); [L987] FCALL head->next = head [L988] FCALL head->prev = ((void*)0) [L989] FCALL head->data = 0 [L991] SLL* x = head; [L992] int state = 1; [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1017] FCALL x->data = state [L1019] EXPR, FCALL head->next [L1019] x = head->next [L1020] COND FALSE !(!(((void*)0) != x)) [L1020] COND FALSE !(0) [L1022] EXPR, FCALL x->data [L1022] COND FALSE !(x->data != 0) [L1028] FCALL head->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: [L986] EXPR, FCALL malloc(sizeof(SLL)) [L986] SLL* head = malloc(sizeof(SLL)); [L987] FCALL head->next = head [L988] FCALL head->prev = ((void*)0) [L989] FCALL head->data = 0 [L991] SLL* x = head; [L992] int state = 1; [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1017] FCALL x->data = state [L1019] EXPR, FCALL head->next [L1019] x = head->next [L1020] COND FALSE !(!(((void*)0) != x)) [L1020] COND FALSE !(0) [L1022] EXPR, FCALL x->data [L1022] COND TRUE x->data != 0 [L1024] 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: [L986] EXPR, FCALL malloc(sizeof(SLL)) [L986] SLL* head = malloc(sizeof(SLL)); [L987] FCALL head->next = head [L988] FCALL head->prev = ((void*)0) [L989] FCALL head->data = 0 [L991] SLL* x = head; [L992] int state = 1; [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] FCALL x->next->prev = x [L1000] EXPR, FCALL x->next [L1000] x = x->next [L1001] FCALL x->next = head [L1003] COND FALSE !(__VERIFIER_nondet_int()) [L1013] FCALL x->data = state - 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: [L986] EXPR, FCALL malloc(sizeof(SLL)) [L986] SLL* head = malloc(sizeof(SLL)); [L987] FCALL head->next = head [L988] FCALL head->prev = ((void*)0) [L989] FCALL head->data = 0 [L991] SLL* x = head; [L992] int state = 1; [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1017] FCALL x->data = state [L1019] EXPR, FCALL head->next [L1019] x = head->next [L1020] COND FALSE !(!(((void*)0) != x)) [L1020] COND FALSE !(0) [L1022] EXPR, FCALL x->data [L1022] COND TRUE x->data != 0 [L1024] EXPR, FCALL x->next [L1024] FCALL x->next->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: [L986] EXPR, FCALL malloc(sizeof(SLL)) [L986] SLL* head = malloc(sizeof(SLL)); [L987] FCALL head->next = head [L988] FCALL head->prev = ((void*)0) [L989] FCALL head->data = 0 [L991] SLL* x = head; [L992] int state = 1; [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1017] FCALL x->data = state [L1019] EXPR, FCALL head->next [L1019] x = head->next [L1020] COND FALSE !(!(((void*)0) != x)) [L1020] COND FALSE !(0) [L1022] EXPR, FCALL x->data [L1022] COND TRUE x->data != 0 [L1024] EXPR, FCALL x->next [L1024] FCALL x->next->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: [L986] EXPR, FCALL malloc(sizeof(SLL)) [L986] SLL* head = malloc(sizeof(SLL)); [L987] FCALL head->next = head [L988] FCALL head->prev = ((void*)0) [L989] FCALL head->data = 0 [L991] SLL* x = head; [L992] int state = 1; [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1017] FCALL x->data = state [L1019] EXPR, FCALL head->next [L1019] x = head->next [L1020] COND FALSE !(!(((void*)0) != x)) [L1020] COND FALSE !(0) [L1022] EXPR, FCALL x->data [L1022] COND FALSE !(x->data != 0) [L1028] EXPR, FCALL head->next [L1028] x = head->next [L1030] FCALL x->data - 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: [L986] EXPR, FCALL malloc(sizeof(SLL)) [L986] SLL* head = malloc(sizeof(SLL)); [L987] FCALL head->next = head [L988] FCALL head->prev = ((void*)0) [L989] FCALL head->data = 0 [L991] SLL* x = head; [L992] int state = 1; [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1017] FCALL x->data = state [L1019] EXPR, FCALL head->next [L1019] x = head->next [L1020] COND FALSE !(!(((void*)0) != x)) [L1020] COND FALSE !(0) [L1022] EXPR, FCALL x->data [L1022] COND FALSE !(x->data != 0) [L1028] EXPR, FCALL head->next [L1028] x = head->next [L1030] EXPR, FCALL x->data [L1030] COND FALSE !(x->data != 0) [L1036] FCALL free(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: [L986] EXPR, FCALL malloc(sizeof(SLL)) [L986] SLL* head = malloc(sizeof(SLL)); [L987] FCALL head->next = head [L988] FCALL head->prev = ((void*)0) [L989] FCALL head->data = 0 [L991] SLL* x = head; [L992] int state = 1; [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1017] FCALL x->data = state [L1019] EXPR, FCALL head->next [L1019] x = head->next [L1020] COND FALSE !(!(((void*)0) != x)) [L1020] COND FALSE !(0) [L1022] EXPR, FCALL x->data [L1022] COND FALSE !(x->data != 0) [L1028] EXPR, FCALL head->next [L1028] x = head->next [L1030] EXPR, FCALL x->data [L1030] COND TRUE x->data != 0 [L1032] head = x [L1033] 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: [L986] EXPR, FCALL malloc(sizeof(SLL)) [L986] SLL* head = malloc(sizeof(SLL)); [L987] FCALL head->next = head [L988] FCALL head->prev = ((void*)0) [L989] FCALL head->data = 0 [L991] SLL* x = head; [L992] int state = 1; [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1017] FCALL x->data = state [L1019] EXPR, FCALL head->next [L1019] x = head->next [L1020] COND FALSE !(!(((void*)0) != x)) [L1020] COND FALSE !(0) [L1022] EXPR, FCALL x->data [L1022] COND TRUE x->data != 0 [L1024] EXPR, FCALL x->next [L1024] EXPR, FCALL x->next->data [L1024] x->next->data == 0 || x->data <= x->next->data [L1024] 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: [L986] EXPR, FCALL malloc(sizeof(SLL)) [L986] SLL* head = malloc(sizeof(SLL)); [L987] FCALL head->next = head [L988] FCALL head->prev = ((void*)0) [L989] FCALL head->data = 0 [L991] SLL* x = head; [L992] int state = 1; [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1017] FCALL x->data = state [L1019] EXPR, FCALL head->next [L1019] x = head->next [L1020] COND FALSE !(!(((void*)0) != x)) [L1020] COND FALSE !(0) [L1022] EXPR, FCALL x->data [L1022] COND TRUE x->data != 0 [L1024] EXPR, FCALL x->next [L1024] EXPR, FCALL x->next->data [L1024] x->next->data == 0 || x->data <= x->next->data [L1024] FCALL x->data [L1024] FCALL x->next - UnprovableResult [Line: 983]: 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: [L986] EXPR, FCALL malloc(sizeof(SLL)) [L986] SLL* head = malloc(sizeof(SLL)); [L987] FCALL head->next = head [L988] FCALL head->prev = ((void*)0) [L989] FCALL head->data = 0 [L991] SLL* x = head; [L992] int state = 1; [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1017] FCALL x->data = state [L1019] EXPR, FCALL head->next [L1019] x = head->next [L1020] COND FALSE !(!(((void*)0) != x)) [L1020] COND FALSE !(0) [L1022] EXPR, FCALL x->data [L1022] COND FALSE !(x->data != 0) [L1028] EXPR, FCALL head->next [L1028] x = head->next [L1030] EXPR, FCALL x->data [L1030] COND FALSE !(x->data != 0) [L1036] FCALL free(x) [L1038] 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: [L986] EXPR, FCALL malloc(sizeof(SLL)) [L986] SLL* head = malloc(sizeof(SLL)); [L987] FCALL head->next = head [L988] FCALL head->prev = ((void*)0) [L989] FCALL head->data = 0 [L991] SLL* x = head; [L992] int state = 1; [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1017] FCALL x->data = state [L1019] EXPR, FCALL head->next [L1019] x = head->next [L1020] COND FALSE !(!(((void*)0) != x)) [L1020] COND FALSE !(0) [L1022] EXPR, FCALL x->data [L1022] COND FALSE !(x->data != 0) [L1028] EXPR, FCALL head->next [L1028] x = head->next [L1030] EXPR, FCALL x->data [L1030] COND TRUE x->data != 0 [L1032] head = x [L1033] EXPR, FCALL x->next [L1033] x = x->next [L1034] 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: [L986] EXPR, FCALL malloc(sizeof(SLL)) [L986] SLL* head = malloc(sizeof(SLL)); [L987] FCALL head->next = head [L988] FCALL head->prev = ((void*)0) [L989] FCALL head->data = 0 [L991] SLL* x = head; [L992] int state = 1; [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1017] FCALL x->data = state [L1019] EXPR, FCALL head->next [L1019] x = head->next [L1020] COND FALSE !(!(((void*)0) != x)) [L1020] COND FALSE !(0) [L1022] EXPR, FCALL x->data [L1022] COND TRUE x->data != 0 [L1024] EXPR, FCALL x->next [L1024] EXPR, FCALL x->next->data [L1024] EXPR x->next->data == 0 || x->data <= x->next->data [L1024] COND FALSE !(!(x->next->data == 0 || x->data <= x->next->data)) [L1024] COND FALSE !(0) [L1025] 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: [L986] EXPR, FCALL malloc(sizeof(SLL)) [L986] SLL* head = malloc(sizeof(SLL)); [L987] FCALL head->next = head [L988] FCALL head->prev = ((void*)0) [L989] FCALL head->data = 0 [L991] SLL* x = head; [L992] int state = 1; [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1017] FCALL x->data = state [L1019] EXPR, FCALL head->next [L1019] x = head->next [L1020] COND FALSE !(!(((void*)0) != x)) [L1020] COND FALSE !(0) [L1022] EXPR, FCALL x->data [L1022] COND TRUE x->data != 0 [L1024] EXPR, FCALL x->next [L1024] EXPR, FCALL x->next->data [L1024] x->next->data == 0 || x->data <= x->next->data [L1024] FCALL x->data [L1024] EXPR, FCALL x->next [L1024] FCALL x->next->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: [L986] EXPR, FCALL malloc(sizeof(SLL)) [L986] SLL* head = malloc(sizeof(SLL)); [L987] FCALL head->next = head [L988] FCALL head->prev = ((void*)0) [L989] FCALL head->data = 0 [L991] SLL* x = head; [L992] int state = 1; [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1017] FCALL x->data = state [L1019] EXPR, FCALL head->next [L1019] x = head->next [L1020] COND FALSE !(!(((void*)0) != x)) [L1020] COND FALSE !(0) [L1022] EXPR, FCALL x->data [L1022] COND FALSE !(x->data != 0) [L1028] EXPR, FCALL head->next [L1028] x = head->next [L1030] EXPR, FCALL x->data [L1030] COND TRUE x->data != 0 [L1032] head = x [L1033] EXPR, FCALL x->next [L1033] x = x->next [L1034] FCALL free(head) [L1030] 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: [L986] EXPR, FCALL malloc(sizeof(SLL)) [L986] SLL* head = malloc(sizeof(SLL)); [L987] FCALL head->next = head [L988] FCALL head->prev = ((void*)0) [L989] FCALL head->data = 0 [L991] SLL* x = head; [L992] int state = 1; [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] FCALL x->next->prev = x [L1000] EXPR, FCALL x->next [L1000] x = x->next [L1001] FCALL x->next = head [L1003] COND FALSE !(__VERIFIER_nondet_int()) [L1013] FCALL x->data = state [L1015] COND FALSE !(!(((void*)0) != x)) [L1015] COND FALSE !(0) [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] FCALL x->next->prev = x [L1000] EXPR, FCALL x->next [L1000] x = x->next [L1001] FCALL x->next = head [L1003] COND FALSE !(__VERIFIER_nondet_int()) [L1013] FCALL x->data = state [L1015] COND FALSE !(!(((void*)0) != x)) [L1015] COND FALSE !(0) [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1017] FCALL x->data = state [L1019] FCALL head->next - 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]: 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]: 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 * 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/dll-circular_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-24_16-33-55-431.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll-circular_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-24_16-33-55-431.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll-circular_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-24_16-33-55-431.csv Received shutdown request...