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/array-memsafety/insertionsort-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-24 16:21:53,493 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-24 16:21:53,495 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-24 16:21:53,511 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-24 16:21:53,511 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-24 16:21:53,512 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-24 16:21:53,513 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-24 16:21:53,515 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-24 16:21:53,517 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-24 16:21:53,518 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-24 16:21:53,519 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-24 16:21:53,519 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-24 16:21:53,520 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-24 16:21:53,522 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-24 16:21:53,523 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-24 16:21:53,525 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-24 16:21:53,527 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-24 16:21:53,529 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-24 16:21:53,530 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-24 16:21:53,532 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-24 16:21:53,534 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-24 16:21:53,540 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 16:21:53,549 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-24 16:21:53,549 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-24 16:21:53,550 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-24 16:21:53,550 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-24 16:21:53,550 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-24 16:21:53,551 INFO L133 SettingsManager]: * Deactivate Weak Equivalences=true [2018-01-24 16:21:53,551 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-24 16:21:53,551 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-24 16:21:53,551 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-24 16:21:53,552 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-24 16:21:53,552 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-24 16:21:53,552 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-24 16:21:53,552 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-24 16:21:53,552 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-24 16:21:53,552 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-24 16:21:53,553 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-24 16:21:53,553 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-24 16:21:53,553 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-24 16:21:53,553 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-24 16:21:53,553 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-24 16:21:53,554 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-24 16:21:53,554 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-24 16:21:53,554 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-24 16:21:53,554 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-24 16:21:53,554 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 16:21:53,554 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-24 16:21:53,555 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-24 16:21:53,555 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-24 16:21:53,555 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-24 16:21:53,555 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-24 16:21:53,555 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-24 16:21:53,555 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-24 16:21:53,556 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-24 16:21:53,556 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-24 16:21:53,557 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-24 16:21:53,591 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-24 16:21:53,605 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-24 16:21:53,609 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-24 16:21:53,610 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-24 16:21:53,611 INFO L276 PluginConnector]: CDTParser initialized [2018-01-24 16:21:53,611 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/insertionsort-alloca_true-valid-memsafety_true-termination.i [2018-01-24 16:21:53,798 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-24 16:21:53,805 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-24 16:21:53,806 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-24 16:21:53,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-24 16:21:53,814 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-24 16:21:53,815 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 04:21:53" (1/1) ... [2018-01-24 16:21:53,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27f336ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:21:53, skipping insertion in model container [2018-01-24 16:21:53,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 04:21:53" (1/1) ... [2018-01-24 16:21:53,840 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 16:21:53,882 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 16:21:54,020 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 16:21:54,038 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 16:21:54,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:21:54 WrapperNode [2018-01-24 16:21:54,044 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-24 16:21:54,045 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-24 16:21:54,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-24 16:21:54,045 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-24 16:21:54,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:21:54" (1/1) ... [2018-01-24 16:21:54,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:21:54" (1/1) ... [2018-01-24 16:21:54,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:21:54" (1/1) ... [2018-01-24 16:21:54,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:21:54" (1/1) ... [2018-01-24 16:21:54,069 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:21:54" (1/1) ... [2018-01-24 16:21:54,072 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:21:54" (1/1) ... [2018-01-24 16:21:54,073 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:21:54" (1/1) ... [2018-01-24 16:21:54,074 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-24 16:21:54,075 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-24 16:21:54,075 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-24 16:21:54,075 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-24 16:21:54,075 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:21:54" (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 16:21:54,120 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-24 16:21:54,120 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-24 16:21:54,120 INFO L136 BoogieDeclarations]: Found implementation of procedure insertionSort [2018-01-24 16:21:54,121 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-24 16:21:54,121 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-24 16:21:54,121 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-24 16:21:54,121 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-24 16:21:54,121 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-24 16:21:54,121 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-24 16:21:54,122 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-24 16:21:54,122 INFO L128 BoogieDeclarations]: Found specification of procedure insertionSort [2018-01-24 16:21:54,122 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-24 16:21:54,122 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-24 16:21:54,122 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-24 16:21:54,339 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-24 16:21:54,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 04:21:54 BoogieIcfgContainer [2018-01-24 16:21:54,339 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-24 16:21:54,340 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-24 16:21:54,340 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-24 16:21:54,340 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-24 16:21:54,341 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 04:21:54" (1/1) ... [2018-01-24 16:21:54,390 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-24 16:21:55,649 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-24 16:21:55,668 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-24 16:21:55,676 INFO L268 AbstractInterpreter]: Visited 51 different actions 285 times. Merged at 33 different actions 135 times. Never widened. Found 29 fixpoints after 10 different actions. Largest state had 25 variables. [2018-01-24 16:21:55,678 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-24 16:21:55,680 INFO L168 Benchmark]: Toolchain (without parser) took 1880.60 ms. Allocated memory was 306.2 MB in the beginning and 362.8 MB in the end (delta: 56.6 MB). Free memory was 266.2 MB in the beginning and 172.6 MB in the end (delta: 93.7 MB). Peak memory consumption was 150.3 MB. Max. memory is 5.3 GB. [2018-01-24 16:21:55,681 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 306.2 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-24 16:21:55,681 INFO L168 Benchmark]: CACSL2BoogieTranslator took 238.39 ms. Allocated memory is still 306.2 MB. Free memory was 265.2 MB in the beginning and 255.0 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 5.3 GB. [2018-01-24 16:21:55,681 INFO L168 Benchmark]: Boogie Preprocessor took 29.51 ms. Allocated memory is still 306.2 MB. Free memory was 255.0 MB in the beginning and 254.0 MB in the end (delta: 996.4 kB). Peak memory consumption was 996.4 kB. Max. memory is 5.3 GB. [2018-01-24 16:21:55,682 INFO L168 Benchmark]: RCFGBuilder took 264.98 ms. Allocated memory is still 306.2 MB. Free memory was 254.0 MB in the beginning and 236.2 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 5.3 GB. [2018-01-24 16:21:55,682 INFO L168 Benchmark]: Abstract Interpretation took 1338.53 ms. Allocated memory was 306.2 MB in the beginning and 362.8 MB in the end (delta: 56.6 MB). Free memory was 236.2 MB in the beginning and 172.6 MB in the end (delta: 63.6 MB). Peak memory consumption was 120.3 MB. Max. memory is 5.3 GB. [2018-01-24 16:21:55,684 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 306.2 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 238.39 ms. Allocated memory is still 306.2 MB. Free memory was 265.2 MB in the beginning and 255.0 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 29.51 ms. Allocated memory is still 306.2 MB. Free memory was 255.0 MB in the beginning and 254.0 MB in the end (delta: 996.4 kB). Peak memory consumption was 996.4 kB. Max. memory is 5.3 GB. * RCFGBuilder took 264.98 ms. Allocated memory is still 306.2 MB. Free memory was 254.0 MB in the beginning and 236.2 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 1338.53 ms. Allocated memory was 306.2 MB in the beginning and 362.8 MB in the end (delta: 56.6 MB). Free memory was 236.2 MB in the beginning and 172.6 MB in the end (delta: 63.6 MB). Peak memory consumption was 120.3 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 40 LocStat_MAX_WEQGRAPH_SIZE : 0 LocStat_MAX_SIZEOF_WEQEDGELABEL : 0 LocStat_NO_SUPPORTING_EQUALITIES : 290 LocStat_NO_SUPPORTING_DISEQUALITIES : 34 LocStat_NO_DISJUNCTIONS : -80 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 57 TransStat_MAX_WEQGRAPH_SIZE : 0 TransStat_MAX_SIZEOF_WEQEDGELABEL : 0 TransStat_NO_SUPPORTING_EQUALITIES : 73 TransStat_NO_SUPPORTING_DISEQUALITIES : 8 TransStat_NO_DISJUNCTIONS : 62 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.799169 RENAME_VARIABLES(MILLISECONDS) : 0.439311 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.343583 PROJECTAWAY(MILLISECONDS) : 0.131439 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.001491 DISJOIN(MILLISECONDS) : 0.455363 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.481656 ADD_EQUALITY(MILLISECONDS) : 0.046644 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.032873 #CONJOIN_DISJUNCTIVE : 442 #RENAME_VARIABLES : 964 #UNFREEZE : 0 #CONJOIN : 612 #PROJECTAWAY : 558 #ADD_WEAK_EQUALITY : 8 #DISJOIN : 104 #RENAME_VARIABLES_DISJUNCTIVE : 916 #ADD_EQUALITY : 75 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 7 - 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: [L552] int array_size = __VERIFIER_nondet_int(); [L553] COND FALSE !(array_size < 1 || array_size >= 2147483647 / sizeof(int)) [L556] EXPR, FCALL __builtin_alloca (array_size * sizeof(int)) [L556] int* a = (int*) __builtin_alloca (array_size * sizeof(int)); [L557] CALL insertionSort(a, array_size) [L542] int i, j, index; [L543] i = 1 [L543] COND TRUE i < array_size [L545] FCALL a[i] - 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: [L552] int array_size = __VERIFIER_nondet_int(); [L553] COND FALSE !(array_size < 1 || array_size >= 2147483647 / sizeof(int)) [L556] EXPR, FCALL __builtin_alloca (array_size * sizeof(int)) [L556] int* a = (int*) __builtin_alloca (array_size * sizeof(int)); [L557] CALL insertionSort(a, array_size) [L542] int i, j, index; [L543] i = 1 [L543] COND TRUE i < array_size [L545] EXPR, FCALL a[i] [L545] index = a[i] [L546] j = i [L546] j > 0 && a[j-1] > index [L546] FCALL a[j-1] - UnprovableResult [Line: 551]: 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: [L552] int array_size = __VERIFIER_nondet_int(); [L553] COND FALSE !(array_size < 1 || array_size >= 2147483647 / sizeof(int)) [L556] EXPR, FCALL __builtin_alloca (array_size * sizeof(int)) [L556] int* a = (int*) __builtin_alloca (array_size * sizeof(int)); [L557] CALL insertionSort(a, array_size) [L542] int i, j, index; [L543] i = 1 [L543] COND FALSE, RET !(i < array_size) [L557] insertionSort(a, array_size) [L558] return 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: [L552] int array_size = __VERIFIER_nondet_int(); [L553] COND FALSE !(array_size < 1 || array_size >= 2147483647 / sizeof(int)) [L556] EXPR, FCALL __builtin_alloca (array_size * sizeof(int)) [L556] int* a = (int*) __builtin_alloca (array_size * sizeof(int)); [L557] CALL insertionSort(a, array_size) [L542] int i, j, index; [L543] i = 1 [L543] COND TRUE i < array_size [L545] EXPR, FCALL a[i] [L545] index = a[i] [L546] j = i [L546] j > 0 && a[j-1] > index [L546] COND FALSE !(j > 0 && a[j-1] > index) [L548] FCALL a[j] = index - 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: [L552] int array_size = __VERIFIER_nondet_int(); [L553] COND FALSE !(array_size < 1 || array_size >= 2147483647 / sizeof(int)) [L556] EXPR, FCALL __builtin_alloca (array_size * sizeof(int)) [L556] int* a = (int*) __builtin_alloca (array_size * sizeof(int)); [L557] CALL insertionSort(a, array_size) [L542] int i, j, index; [L543] i = 1 [L543] COND TRUE i < array_size [L545] EXPR, FCALL a[i] [L545] index = a[i] [L546] j = i [L546] j > 0 && a[j-1] > index [L546] EXPR, FCALL a[j-1] [L546] j > 0 && a[j-1] > index [L546] COND TRUE j > 0 && a[j-1] > index [L547] FCALL a[j-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: [L552] int array_size = __VERIFIER_nondet_int(); [L553] COND FALSE !(array_size < 1 || array_size >= 2147483647 / sizeof(int)) [L556] EXPR, FCALL __builtin_alloca (array_size * sizeof(int)) [L556] int* a = (int*) __builtin_alloca (array_size * sizeof(int)); [L557] CALL insertionSort(a, array_size) [L542] int i, j, index; [L543] i = 1 [L543] COND TRUE i < array_size [L545] EXPR, FCALL a[i] [L545] index = a[i] [L546] j = i [L546] j > 0 && a[j-1] > index [L546] EXPR, FCALL a[j-1] [L546] j > 0 && a[j-1] > index [L546] COND TRUE j > 0 && a[j-1] > index [L547] EXPR, FCALL a[j-1] [L547] FCALL a[j] = a[j-1] - 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/insertionsort-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-24_16-21-55-697.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/insertionsort-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-24_16-21-55-697.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/insertionsort-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_imprecise.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-24_16-21-55-697.csv Received shutdown request...