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/memory-alloca/c.03-alloca_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-24 16:29:02,521 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-24 16:29:02,524 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-24 16:29:02,540 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-24 16:29:02,540 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-24 16:29:02,541 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-24 16:29:02,542 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-24 16:29:02,544 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-24 16:29:02,546 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-24 16:29:02,547 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-24 16:29:02,548 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-24 16:29:02,548 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-24 16:29:02,549 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-24 16:29:02,550 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-24 16:29:02,551 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-24 16:29:02,554 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-24 16:29:02,556 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-24 16:29:02,558 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-24 16:29:02,560 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-24 16:29:02,561 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-24 16:29:02,564 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-24 16:29:02,569 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-24 16:29:02,570 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-24 16:29:02,570 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 16:29:02,578 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-24 16:29:02,579 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-24 16:29:02,580 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-24 16:29:02,580 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-24 16:29:02,580 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-24 16:29:02,580 INFO L133 SettingsManager]: * Deactivate Weak Equivalences=true [2018-01-24 16:29:02,580 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-24 16:29:02,580 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-24 16:29:02,581 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-24 16:29:02,581 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-24 16:29:02,581 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-24 16:29:02,581 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-24 16:29:02,581 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-24 16:29:02,581 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-24 16:29:02,582 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-24 16:29:02,582 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-24 16:29:02,582 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-24 16:29:02,582 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-24 16:29:02,582 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-24 16:29:02,582 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-24 16:29:02,582 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-24 16:29:02,583 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-24 16:29:02,583 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-24 16:29:02,583 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-24 16:29:02,583 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 16:29:02,584 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-24 16:29:02,584 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-24 16:29:02,584 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-24 16:29:02,584 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-24 16:29:02,584 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-24 16:29:02,584 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-24 16:29:02,584 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-24 16:29:02,585 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-24 16:29:02,585 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-24 16:29:02,585 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-24 16:29:02,620 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-24 16:29:02,631 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-24 16:29:02,635 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-24 16:29:02,636 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-24 16:29:02,636 INFO L276 PluginConnector]: CDTParser initialized [2018-01-24 16:29:02,637 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memory-alloca/c.03-alloca_true-valid-memsafety.i [2018-01-24 16:29:02,813 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-24 16:29:02,821 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-24 16:29:02,822 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-24 16:29:02,822 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-24 16:29:02,828 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-24 16:29:02,829 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 04:29:02" (1/1) ... [2018-01-24 16:29:02,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@424d8e52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:29:02, skipping insertion in model container [2018-01-24 16:29:02,832 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 04:29:02" (1/1) ... [2018-01-24 16:29:02,851 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 16:29:02,891 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 16:29:03,012 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 16:29:03,031 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 16:29:03,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:29:03 WrapperNode [2018-01-24 16:29:03,040 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-24 16:29:03,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-24 16:29:03,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-24 16:29:03,041 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-24 16:29:03,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:29:03" (1/1) ... [2018-01-24 16:29:03,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:29:03" (1/1) ... [2018-01-24 16:29:03,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:29:03" (1/1) ... [2018-01-24 16:29:03,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:29:03" (1/1) ... [2018-01-24 16:29:03,065 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:29:03" (1/1) ... [2018-01-24 16:29:03,069 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:29:03" (1/1) ... [2018-01-24 16:29:03,070 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:29:03" (1/1) ... [2018-01-24 16:29:03,073 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-24 16:29:03,073 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-24 16:29:03,073 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-24 16:29:03,074 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-24 16:29:03,075 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:29:03" (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 16:29:03,121 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-24 16:29:03,121 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-24 16:29:03,121 INFO L136 BoogieDeclarations]: Found implementation of procedure test_fun [2018-01-24 16:29:03,122 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-24 16:29:03,122 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-24 16:29:03,122 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-24 16:29:03,122 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-24 16:29:03,122 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-24 16:29:03,122 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-24 16:29:03,122 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-24 16:29:03,122 INFO L128 BoogieDeclarations]: Found specification of procedure test_fun [2018-01-24 16:29:03,122 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-24 16:29:03,123 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-24 16:29:03,123 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-24 16:29:03,412 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-24 16:29:03,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 04:29:03 BoogieIcfgContainer [2018-01-24 16:29:03,451 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-24 16:29:03,451 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-24 16:29:03,451 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-24 16:29:03,452 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-24 16:29:03,453 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 04:29:03" (1/1) ... [2018-01-24 16:29:03,495 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-24 16:29:04,184 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-24 16:29:04,223 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-24 16:29:04,227 INFO L268 AbstractInterpreter]: Visited 86 different actions 135 times. Merged at 38 different actions 38 times. Never widened. Found 3 fixpoints after 3 different actions. Largest state had 41 variables. [2018-01-24 16:29:04,230 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-24 16:29:04,231 INFO L168 Benchmark]: Toolchain (without parser) took 1416.96 ms. Allocated memory was 305.7 MB in the beginning and 329.8 MB in the end (delta: 24.1 MB). Free memory was 263.6 MB in the beginning and 196.1 MB in the end (delta: 67.5 MB). Peak memory consumption was 91.6 MB. Max. memory is 5.3 GB. [2018-01-24 16:29:04,232 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 305.7 MB. Free memory is still 269.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-24 16:29:04,232 INFO L168 Benchmark]: CACSL2BoogieTranslator took 218.11 ms. Allocated memory is still 305.7 MB. Free memory was 262.6 MB in the beginning and 252.4 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 5.3 GB. [2018-01-24 16:29:04,233 INFO L168 Benchmark]: Boogie Preprocessor took 32.35 ms. Allocated memory is still 305.7 MB. Free memory was 252.4 MB in the beginning and 250.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-24 16:29:04,233 INFO L168 Benchmark]: RCFGBuilder took 377.44 ms. Allocated memory is still 305.7 MB. Free memory was 250.4 MB in the beginning and 228.4 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 5.3 GB. [2018-01-24 16:29:04,234 INFO L168 Benchmark]: Abstract Interpretation took 778.70 ms. Allocated memory was 305.7 MB in the beginning and 329.8 MB in the end (delta: 24.1 MB). Free memory was 227.4 MB in the beginning and 196.1 MB in the end (delta: 31.4 MB). Peak memory consumption was 55.5 MB. Max. memory is 5.3 GB. [2018-01-24 16:29:04,236 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 305.7 MB. Free memory is still 269.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 218.11 ms. Allocated memory is still 305.7 MB. Free memory was 262.6 MB in the beginning and 252.4 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 32.35 ms. Allocated memory is still 305.7 MB. Free memory was 252.4 MB in the beginning and 250.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 377.44 ms. Allocated memory is still 305.7 MB. Free memory was 250.4 MB in the beginning and 228.4 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 778.70 ms. Allocated memory was 305.7 MB in the beginning and 329.8 MB in the end (delta: 24.1 MB). Free memory was 227.4 MB in the beginning and 196.1 MB in the end (delta: 31.4 MB). Peak memory consumption was 55.5 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 71 LocStat_MAX_WEQGRAPH_SIZE : 0 LocStat_MAX_SIZEOF_WEQEDGELABEL : 0 LocStat_NO_SUPPORTING_EQUALITIES : 1348 LocStat_NO_SUPPORTING_DISEQUALITIES : 481 LocStat_NO_DISJUNCTIONS : -142 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 92 TransStat_MAX_WEQGRAPH_SIZE : 0 TransStat_MAX_SIZEOF_WEQEDGELABEL : 0 TransStat_NO_SUPPORTING_EQUALITIES : 122 TransStat_NO_SUPPORTING_DISEQUALITIES : 32 TransStat_NO_DISJUNCTIONS : 106 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.041436 RENAME_VARIABLES(MILLISECONDS) : 0.099499 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.001322 PROJECTAWAY(MILLISECONDS) : 0.191553 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.002437 DISJOIN(MILLISECONDS) : 0.779511 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.127658 ADD_EQUALITY(MILLISECONDS) : 0.059590 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.010467 #CONJOIN_DISJUNCTIVE : 169 #RENAME_VARIABLES : 313 #UNFREEZE : 0 #CONJOIN : 280 #PROJECTAWAY : 264 #ADD_WEAK_EQUALITY : 27 #DISJOIN : 15 #RENAME_VARIABLES_DISJUNCTIVE : 291 #ADD_EQUALITY : 129 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 20 - 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: [L561] CALL test_fun(__VERIFIER_nondet_int(),__VERIFIER_nondet_int(),__VERIFIER_nondet_int()) [L542] EXPR, FCALL __builtin_alloca (sizeof(int)) [L542] int* x_ref = __builtin_alloca (sizeof(int)); [L543] EXPR, FCALL __builtin_alloca (sizeof(int)) [L543] int* y_ref = __builtin_alloca (sizeof(int)); [L544] EXPR, FCALL __builtin_alloca (sizeof(int)) [L544] int* z_ref = __builtin_alloca (sizeof(int)); [L545] EXPR, FCALL __builtin_alloca (sizeof(int)) [L545] int* c = __builtin_alloca (sizeof(int)); [L546] FCALL *x_ref = 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: [L561] CALL test_fun(__VERIFIER_nondet_int(),__VERIFIER_nondet_int(),__VERIFIER_nondet_int()) [L542] EXPR, FCALL __builtin_alloca (sizeof(int)) [L542] int* x_ref = __builtin_alloca (sizeof(int)); [L543] EXPR, FCALL __builtin_alloca (sizeof(int)) [L543] int* y_ref = __builtin_alloca (sizeof(int)); [L544] EXPR, FCALL __builtin_alloca (sizeof(int)) [L544] int* z_ref = __builtin_alloca (sizeof(int)); [L545] EXPR, FCALL __builtin_alloca (sizeof(int)) [L545] int* c = __builtin_alloca (sizeof(int)); [L546] FCALL *x_ref = 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: [L561] CALL test_fun(__VERIFIER_nondet_int(),__VERIFIER_nondet_int(),__VERIFIER_nondet_int()) [L542] EXPR, FCALL __builtin_alloca (sizeof(int)) [L542] int* x_ref = __builtin_alloca (sizeof(int)); [L543] EXPR, FCALL __builtin_alloca (sizeof(int)) [L543] int* y_ref = __builtin_alloca (sizeof(int)); [L544] EXPR, FCALL __builtin_alloca (sizeof(int)) [L544] int* z_ref = __builtin_alloca (sizeof(int)); [L545] EXPR, FCALL __builtin_alloca (sizeof(int)) [L545] int* c = __builtin_alloca (sizeof(int)); [L546] FCALL *x_ref = x [L547] FCALL *y_ref = y - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L561] CALL test_fun(__VERIFIER_nondet_int(),__VERIFIER_nondet_int(),__VERIFIER_nondet_int()) [L542] EXPR, FCALL __builtin_alloca (sizeof(int)) [L542] int* x_ref = __builtin_alloca (sizeof(int)); [L543] EXPR, FCALL __builtin_alloca (sizeof(int)) [L543] int* y_ref = __builtin_alloca (sizeof(int)); [L544] EXPR, FCALL __builtin_alloca (sizeof(int)) [L544] int* z_ref = __builtin_alloca (sizeof(int)); [L545] EXPR, FCALL __builtin_alloca (sizeof(int)) [L545] int* c = __builtin_alloca (sizeof(int)); [L546] FCALL *x_ref = x [L547] FCALL *y_ref = y - UnprovableResult [Line: 1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: abstract domain could reach this error location. Possible FailurePath: [L561] CALL test_fun(__VERIFIER_nondet_int(),__VERIFIER_nondet_int(),__VERIFIER_nondet_int()) [L542] EXPR, FCALL __builtin_alloca (sizeof(int)) [L542] int* x_ref = __builtin_alloca (sizeof(int)); [L543] EXPR, FCALL __builtin_alloca (sizeof(int)) [L543] int* y_ref = __builtin_alloca (sizeof(int)); [L544] EXPR, FCALL __builtin_alloca (sizeof(int)) [L544] int* z_ref = __builtin_alloca (sizeof(int)); [L545] EXPR, FCALL __builtin_alloca (sizeof(int)) [L545] int* c = __builtin_alloca (sizeof(int)); [L546] FCALL *x_ref = x [L547] FCALL *y_ref = y [L548] FCALL *z_ref = z - 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: [L561] CALL test_fun(__VERIFIER_nondet_int(),__VERIFIER_nondet_int(),__VERIFIER_nondet_int()) [L542] EXPR, FCALL __builtin_alloca (sizeof(int)) [L542] int* x_ref = __builtin_alloca (sizeof(int)); [L543] EXPR, FCALL __builtin_alloca (sizeof(int)) [L543] int* y_ref = __builtin_alloca (sizeof(int)); [L544] EXPR, FCALL __builtin_alloca (sizeof(int)) [L544] int* z_ref = __builtin_alloca (sizeof(int)); [L545] EXPR, FCALL __builtin_alloca (sizeof(int)) [L545] int* c = __builtin_alloca (sizeof(int)); [L546] FCALL *x_ref = x [L547] FCALL *y_ref = y [L548] FCALL *z_ref = z - 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: [L561] CALL test_fun(__VERIFIER_nondet_int(),__VERIFIER_nondet_int(),__VERIFIER_nondet_int()) [L542] EXPR, FCALL __builtin_alloca (sizeof(int)) [L542] int* x_ref = __builtin_alloca (sizeof(int)); [L543] EXPR, FCALL __builtin_alloca (sizeof(int)) [L543] int* y_ref = __builtin_alloca (sizeof(int)); [L544] EXPR, FCALL __builtin_alloca (sizeof(int)) [L544] int* z_ref = __builtin_alloca (sizeof(int)); [L545] EXPR, FCALL __builtin_alloca (sizeof(int)) [L545] int* c = __builtin_alloca (sizeof(int)); [L546] FCALL *x_ref = x [L547] FCALL *y_ref = y [L548] FCALL *z_ref = z [L549] FCALL *c = 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: [L561] CALL test_fun(__VERIFIER_nondet_int(),__VERIFIER_nondet_int(),__VERIFIER_nondet_int()) [L542] EXPR, FCALL __builtin_alloca (sizeof(int)) [L542] int* x_ref = __builtin_alloca (sizeof(int)); [L543] EXPR, FCALL __builtin_alloca (sizeof(int)) [L543] int* y_ref = __builtin_alloca (sizeof(int)); [L544] EXPR, FCALL __builtin_alloca (sizeof(int)) [L544] int* z_ref = __builtin_alloca (sizeof(int)); [L545] EXPR, FCALL __builtin_alloca (sizeof(int)) [L545] int* c = __builtin_alloca (sizeof(int)); [L546] FCALL *x_ref = x [L547] FCALL *y_ref = y [L548] FCALL *z_ref = z [L549] FCALL *c = 0 [L550] FCALL \read(*x_ref) - 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: [L561] CALL test_fun(__VERIFIER_nondet_int(),__VERIFIER_nondet_int(),__VERIFIER_nondet_int()) [L542] EXPR, FCALL __builtin_alloca (sizeof(int)) [L542] int* x_ref = __builtin_alloca (sizeof(int)); [L543] EXPR, FCALL __builtin_alloca (sizeof(int)) [L543] int* y_ref = __builtin_alloca (sizeof(int)); [L544] EXPR, FCALL __builtin_alloca (sizeof(int)) [L544] int* z_ref = __builtin_alloca (sizeof(int)); [L545] EXPR, FCALL __builtin_alloca (sizeof(int)) [L545] int* c = __builtin_alloca (sizeof(int)); [L546] FCALL *x_ref = x [L547] FCALL *y_ref = y [L548] FCALL *z_ref = z [L549] FCALL *c = 0 [L550] FCALL \read(*x_ref) [L550] FCALL \read(*y_ref) - 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: [L561] CALL test_fun(__VERIFIER_nondet_int(),__VERIFIER_nondet_int(),__VERIFIER_nondet_int()) [L542] EXPR, FCALL __builtin_alloca (sizeof(int)) [L542] int* x_ref = __builtin_alloca (sizeof(int)); [L543] EXPR, FCALL __builtin_alloca (sizeof(int)) [L543] int* y_ref = __builtin_alloca (sizeof(int)); [L544] EXPR, FCALL __builtin_alloca (sizeof(int)) [L544] int* z_ref = __builtin_alloca (sizeof(int)); [L545] EXPR, FCALL __builtin_alloca (sizeof(int)) [L545] int* c = __builtin_alloca (sizeof(int)); [L546] FCALL *x_ref = x [L547] FCALL *y_ref = y [L548] FCALL *z_ref = z [L549] FCALL *c = 0 [L550] EXPR, FCALL \read(*x_ref) [L550] EXPR, FCALL \read(*y_ref) [L550] COND FALSE !(*x_ref < *y_ref) [L558] FCALL \read(*c) - 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: [L561] CALL test_fun(__VERIFIER_nondet_int(),__VERIFIER_nondet_int(),__VERIFIER_nondet_int()) [L542] EXPR, FCALL __builtin_alloca (sizeof(int)) [L542] int* x_ref = __builtin_alloca (sizeof(int)); [L543] EXPR, FCALL __builtin_alloca (sizeof(int)) [L543] int* y_ref = __builtin_alloca (sizeof(int)); [L544] EXPR, FCALL __builtin_alloca (sizeof(int)) [L544] int* z_ref = __builtin_alloca (sizeof(int)); [L545] EXPR, FCALL __builtin_alloca (sizeof(int)) [L545] int* c = __builtin_alloca (sizeof(int)); [L546] FCALL *x_ref = x [L547] FCALL *y_ref = y [L548] FCALL *z_ref = z [L549] FCALL *c = 0 [L550] EXPR, FCALL \read(*x_ref) [L550] EXPR, FCALL \read(*y_ref) [L550] COND TRUE *x_ref < *y_ref [L551] FCALL \read(*x_ref) - 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: [L561] CALL test_fun(__VERIFIER_nondet_int(),__VERIFIER_nondet_int(),__VERIFIER_nondet_int()) [L542] EXPR, FCALL __builtin_alloca (sizeof(int)) [L542] int* x_ref = __builtin_alloca (sizeof(int)); [L543] EXPR, FCALL __builtin_alloca (sizeof(int)) [L543] int* y_ref = __builtin_alloca (sizeof(int)); [L544] EXPR, FCALL __builtin_alloca (sizeof(int)) [L544] int* z_ref = __builtin_alloca (sizeof(int)); [L545] EXPR, FCALL __builtin_alloca (sizeof(int)) [L545] int* c = __builtin_alloca (sizeof(int)); [L546] FCALL *x_ref = x [L547] FCALL *y_ref = y [L548] FCALL *z_ref = z [L549] FCALL *c = 0 [L550] EXPR, FCALL \read(*x_ref) [L550] EXPR, FCALL \read(*y_ref) [L550] COND TRUE *x_ref < *y_ref [L551] FCALL \read(*x_ref) [L551] FCALL \read(*z_ref) - 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: [L561] CALL test_fun(__VERIFIER_nondet_int(),__VERIFIER_nondet_int(),__VERIFIER_nondet_int()) [L542] EXPR, FCALL __builtin_alloca (sizeof(int)) [L542] int* x_ref = __builtin_alloca (sizeof(int)); [L543] EXPR, FCALL __builtin_alloca (sizeof(int)) [L543] int* y_ref = __builtin_alloca (sizeof(int)); [L544] EXPR, FCALL __builtin_alloca (sizeof(int)) [L544] int* z_ref = __builtin_alloca (sizeof(int)); [L545] EXPR, FCALL __builtin_alloca (sizeof(int)) [L545] int* c = __builtin_alloca (sizeof(int)); [L546] FCALL *x_ref = x [L547] FCALL *y_ref = y [L548] FCALL *z_ref = z [L549] FCALL *c = 0 [L550] EXPR, FCALL \read(*x_ref) [L550] EXPR, FCALL \read(*y_ref) [L550] COND TRUE *x_ref < *y_ref [L551] EXPR, FCALL \read(*x_ref) [L551] EXPR, FCALL \read(*z_ref) [L551] COND FALSE !(*x_ref < *z_ref) [L554] FCALL \read(*z_ref) - 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: [L561] CALL test_fun(__VERIFIER_nondet_int(),__VERIFIER_nondet_int(),__VERIFIER_nondet_int()) [L542] EXPR, FCALL __builtin_alloca (sizeof(int)) [L542] int* x_ref = __builtin_alloca (sizeof(int)); [L543] EXPR, FCALL __builtin_alloca (sizeof(int)) [L543] int* y_ref = __builtin_alloca (sizeof(int)); [L544] EXPR, FCALL __builtin_alloca (sizeof(int)) [L544] int* z_ref = __builtin_alloca (sizeof(int)); [L545] EXPR, FCALL __builtin_alloca (sizeof(int)) [L545] int* c = __builtin_alloca (sizeof(int)); [L546] FCALL *x_ref = x [L547] FCALL *y_ref = y [L548] FCALL *z_ref = z [L549] FCALL *c = 0 [L550] EXPR, FCALL \read(*x_ref) [L550] EXPR, FCALL \read(*y_ref) [L550] COND TRUE *x_ref < *y_ref [L551] EXPR, FCALL \read(*x_ref) [L551] EXPR, FCALL \read(*z_ref) [L551] COND TRUE *x_ref < *z_ref [L552] FCALL \read(*x_ref) - 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: [L561] CALL test_fun(__VERIFIER_nondet_int(),__VERIFIER_nondet_int(),__VERIFIER_nondet_int()) [L542] EXPR, FCALL __builtin_alloca (sizeof(int)) [L542] int* x_ref = __builtin_alloca (sizeof(int)); [L543] EXPR, FCALL __builtin_alloca (sizeof(int)) [L543] int* y_ref = __builtin_alloca (sizeof(int)); [L544] EXPR, FCALL __builtin_alloca (sizeof(int)) [L544] int* z_ref = __builtin_alloca (sizeof(int)); [L545] EXPR, FCALL __builtin_alloca (sizeof(int)) [L545] int* c = __builtin_alloca (sizeof(int)); [L546] FCALL *x_ref = x [L547] FCALL *y_ref = y [L548] FCALL *z_ref = z [L549] FCALL *c = 0 [L550] EXPR, FCALL \read(*x_ref) [L550] EXPR, FCALL \read(*y_ref) [L550] COND TRUE *x_ref < *y_ref [L551] EXPR, FCALL \read(*x_ref) [L551] EXPR, FCALL \read(*z_ref) [L551] COND FALSE !(*x_ref < *z_ref) [L554] EXPR, FCALL \read(*z_ref) [L554] FCALL *z_ref = *z_ref + 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: [L561] CALL test_fun(__VERIFIER_nondet_int(),__VERIFIER_nondet_int(),__VERIFIER_nondet_int()) [L542] EXPR, FCALL __builtin_alloca (sizeof(int)) [L542] int* x_ref = __builtin_alloca (sizeof(int)); [L543] EXPR, FCALL __builtin_alloca (sizeof(int)) [L543] int* y_ref = __builtin_alloca (sizeof(int)); [L544] EXPR, FCALL __builtin_alloca (sizeof(int)) [L544] int* z_ref = __builtin_alloca (sizeof(int)); [L545] EXPR, FCALL __builtin_alloca (sizeof(int)) [L545] int* c = __builtin_alloca (sizeof(int)); [L546] FCALL *x_ref = x [L547] FCALL *y_ref = y [L548] FCALL *z_ref = z [L549] FCALL *c = 0 [L550] EXPR, FCALL \read(*x_ref) [L550] EXPR, FCALL \read(*y_ref) [L550] COND TRUE *x_ref < *y_ref [L551] EXPR, FCALL \read(*x_ref) [L551] EXPR, FCALL \read(*z_ref) [L551] COND TRUE *x_ref < *z_ref [L552] EXPR, FCALL \read(*x_ref) [L552] FCALL *x_ref = *x_ref + 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: [L561] CALL test_fun(__VERIFIER_nondet_int(),__VERIFIER_nondet_int(),__VERIFIER_nondet_int()) [L542] EXPR, FCALL __builtin_alloca (sizeof(int)) [L542] int* x_ref = __builtin_alloca (sizeof(int)); [L543] EXPR, FCALL __builtin_alloca (sizeof(int)) [L543] int* y_ref = __builtin_alloca (sizeof(int)); [L544] EXPR, FCALL __builtin_alloca (sizeof(int)) [L544] int* z_ref = __builtin_alloca (sizeof(int)); [L545] EXPR, FCALL __builtin_alloca (sizeof(int)) [L545] int* c = __builtin_alloca (sizeof(int)); [L546] FCALL *x_ref = x [L547] FCALL *y_ref = y [L548] FCALL *z_ref = z [L549] FCALL *c = 0 [L550] EXPR, FCALL \read(*x_ref) [L550] EXPR, FCALL \read(*y_ref) [L550] COND TRUE *x_ref < *y_ref [L551] EXPR, FCALL \read(*x_ref) [L551] EXPR, FCALL \read(*z_ref) [L551] COND FALSE !(*x_ref < *z_ref) [L554] EXPR, FCALL \read(*z_ref) [L554] FCALL *z_ref = *z_ref + 1 [L556] FCALL \read(*c) - 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: [L561] CALL test_fun(__VERIFIER_nondet_int(),__VERIFIER_nondet_int(),__VERIFIER_nondet_int()) [L542] EXPR, FCALL __builtin_alloca (sizeof(int)) [L542] int* x_ref = __builtin_alloca (sizeof(int)); [L543] EXPR, FCALL __builtin_alloca (sizeof(int)) [L543] int* y_ref = __builtin_alloca (sizeof(int)); [L544] EXPR, FCALL __builtin_alloca (sizeof(int)) [L544] int* z_ref = __builtin_alloca (sizeof(int)); [L545] EXPR, FCALL __builtin_alloca (sizeof(int)) [L545] int* c = __builtin_alloca (sizeof(int)); [L546] FCALL *x_ref = x [L547] FCALL *y_ref = y [L548] FCALL *z_ref = z [L549] FCALL *c = 0 [L550] EXPR, FCALL \read(*x_ref) [L550] EXPR, FCALL \read(*y_ref) [L550] COND TRUE *x_ref < *y_ref [L551] EXPR, FCALL \read(*x_ref) [L551] EXPR, FCALL \read(*z_ref) [L551] COND FALSE !(*x_ref < *z_ref) [L554] EXPR, FCALL \read(*z_ref) [L554] FCALL *z_ref = *z_ref + 1 [L556] EXPR, FCALL \read(*c) [L556] FCALL *c = *c + 1 - UnprovableResult [Line: 560]: 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: [L561] CALL, EXPR test_fun(__VERIFIER_nondet_int(),__VERIFIER_nondet_int(),__VERIFIER_nondet_int()) [L542] EXPR, FCALL __builtin_alloca (sizeof(int)) [L542] int* x_ref = __builtin_alloca (sizeof(int)); [L543] EXPR, FCALL __builtin_alloca (sizeof(int)) [L543] int* y_ref = __builtin_alloca (sizeof(int)); [L544] EXPR, FCALL __builtin_alloca (sizeof(int)) [L544] int* z_ref = __builtin_alloca (sizeof(int)); [L545] EXPR, FCALL __builtin_alloca (sizeof(int)) [L545] int* c = __builtin_alloca (sizeof(int)); [L546] FCALL *x_ref = x [L547] FCALL *y_ref = y [L548] FCALL *z_ref = z [L549] FCALL *c = 0 [L550] EXPR, FCALL \read(*x_ref) [L550] EXPR, FCALL \read(*y_ref) [L550] COND FALSE !(*x_ref < *y_ref) [L558] EXPR, FCALL \read(*c) [L558] RET return *c; [L561] EXPR test_fun(__VERIFIER_nondet_int(),__VERIFIER_nondet_int(),__VERIFIER_nondet_int()) [L561] return test_fun(__VERIFIER_nondet_int(),__VERIFIER_nondet_int(),__VERIFIER_nondet_int()); - 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/c.03-alloca_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-24_16-29-04-249.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/c.03-alloca_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-24_16-29-04-249.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/c.03-alloca_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-24_16-29-04-249.csv Received shutdown request...