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_smtcomp.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memsetNonZero3_true-valid-memsafety_true-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-25 04:47:06,564 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-25 04:47:06,566 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-25 04:47:06,581 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-25 04:47:06,581 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-25 04:47:06,582 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-25 04:47:06,583 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-25 04:47:06,585 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-25 04:47:06,587 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-25 04:47:06,588 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-25 04:47:06,589 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-25 04:47:06,589 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-25 04:47:06,590 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-25 04:47:06,591 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-25 04:47:06,592 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-25 04:47:06,594 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-25 04:47:06,596 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-25 04:47:06,598 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-25 04:47:06,600 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-25 04:47:06,601 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-25 04:47:06,603 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-25 04:47:06,608 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-25 04:47:06,609 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-25 04:47:06,609 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_smtcomp.epf [2018-01-25 04:47:06,623 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-25 04:47:06,623 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-25 04:47:06,626 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-25 04:47:06,627 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-25 04:47:06,627 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-25 04:47:06,627 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-25 04:47:06,627 INFO L133 SettingsManager]: * Precise comparison operator=true [2018-01-25 04:47:06,627 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-25 04:47:06,628 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-25 04:47:06,628 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-25 04:47:06,628 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-25 04:47:06,629 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-25 04:47:06,629 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-25 04:47:06,629 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-25 04:47:06,629 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-25 04:47:06,629 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-25 04:47:06,630 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-25 04:47:06,630 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-25 04:47:06,630 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-25 04:47:06,631 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-25 04:47:06,631 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-25 04:47:06,631 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-25 04:47:06,631 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-25 04:47:06,631 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-25 04:47:06,632 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-25 04:47:06,632 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-25 04:47:06,632 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-25 04:47:06,632 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-25 04:47:06,632 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-25 04:47:06,632 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-25 04:47:06,633 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-25 04:47:06,633 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-25 04:47:06,633 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-25 04:47:06,635 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-25 04:47:06,636 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-25 04:47:06,679 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-25 04:47:06,702 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-25 04:47:06,706 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-25 04:47:06,707 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-25 04:47:06,707 INFO L276 PluginConnector]: CDTParser initialized [2018-01-25 04:47:06,708 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memsetNonZero3_true-valid-memsafety_true-termination.c [2018-01-25 04:47:06,933 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-25 04:47:06,939 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-25 04:47:06,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-25 04:47:06,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-25 04:47:06,945 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-25 04:47:06,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 04:47:06" (1/1) ... [2018-01-25 04:47:06,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2abf5ff5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:47:06, skipping insertion in model container [2018-01-25 04:47:06,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 04:47:06" (1/1) ... [2018-01-25 04:47:06,966 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-25 04:47:06,982 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-25 04:47:07,087 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-25 04:47:07,101 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-25 04:47:07,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:47:07 WrapperNode [2018-01-25 04:47:07,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-25 04:47:07,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-25 04:47:07,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-25 04:47:07,106 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-25 04:47:07,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:47:07" (1/1) ... [2018-01-25 04:47:07,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:47:07" (1/1) ... [2018-01-25 04:47:07,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:47:07" (1/1) ... [2018-01-25 04:47:07,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:47:07" (1/1) ... [2018-01-25 04:47:07,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:47:07" (1/1) ... [2018-01-25 04:47:07,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:47:07" (1/1) ... [2018-01-25 04:47:07,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:47:07" (1/1) ... [2018-01-25 04:47:07,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-25 04:47:07,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-25 04:47:07,136 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-25 04:47:07,137 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-25 04:47:07,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 04:47:07" (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 [2018-01-25 04:47:07,186 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-25 04:47:07,186 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-25 04:47:07,186 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-25 04:47:07,186 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-25 04:47:07,186 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-25 04:47:07,187 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-25 04:47:07,187 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-01-25 04:47:07,187 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-01-25 04:47:07,187 INFO L128 BoogieDeclarations]: Found specification of procedure memset [2018-01-25 04:47:07,187 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-25 04:47:07,187 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-25 04:47:07,187 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-25 04:47:07,263 WARN L455 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-01-25 04:47:07,323 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-25 04:47:07,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 04:47:07 BoogieIcfgContainer [2018-01-25 04:47:07,323 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-25 04:47:07,324 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-01-25 04:47:07,324 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-01-25 04:47:07,324 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-01-25 04:47:07,325 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 04:47:07" (1/1) ... [2018-01-25 04:47:07,369 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-25 04:47:07,741 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-25 04:47:07,757 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2018-01-25 04:47:07,758 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-25 04:47:07,760 INFO L268 AbstractInterpreter]: Visited 23 different actions 27 times. Merged at 3 different actions 3 times. Never widened. Found 2 fixpoints after 2 different actions. Largest state had 15 variables. [2018-01-25 04:47:07,763 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-01-25 04:47:07,764 INFO L168 Benchmark]: Toolchain (without parser) took 830.31 ms. Allocated memory is still 302.0 MB. Free memory was 263.0 MB in the beginning and 191.3 MB in the end (delta: 71.7 MB). Peak memory consumption was 71.7 MB. Max. memory is 5.3 GB. [2018-01-25 04:47:07,765 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 302.0 MB. Free memory is still 268.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-25 04:47:07,765 INFO L168 Benchmark]: CACSL2BoogieTranslator took 166.21 ms. Allocated memory is still 302.0 MB. Free memory was 262.0 MB in the beginning and 254.0 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 5.3 GB. [2018-01-25 04:47:07,766 INFO L168 Benchmark]: Boogie Preprocessor took 29.63 ms. Allocated memory is still 302.0 MB. Free memory was 254.0 MB in the beginning and 253.0 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. [2018-01-25 04:47:07,767 INFO L168 Benchmark]: RCFGBuilder took 187.20 ms. Allocated memory is still 302.0 MB. Free memory was 253.0 MB in the beginning and 240.2 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 5.3 GB. [2018-01-25 04:47:07,767 INFO L168 Benchmark]: Abstract Interpretation took 439.02 ms. Allocated memory is still 302.0 MB. Free memory was 240.2 MB in the beginning and 191.3 MB in the end (delta: 48.9 MB). Peak memory consumption was 48.9 MB. Max. memory is 5.3 GB. [2018-01-25 04:47:07,771 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 302.0 MB. Free memory is still 268.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 166.21 ms. Allocated memory is still 302.0 MB. Free memory was 262.0 MB in the beginning and 254.0 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 29.63 ms. Allocated memory is still 302.0 MB. Free memory was 254.0 MB in the beginning and 253.0 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. * RCFGBuilder took 187.20 ms. Allocated memory is still 302.0 MB. Free memory was 253.0 MB in the beginning and 240.2 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 5.3 GB. * Abstract Interpretation took 439.02 ms. Allocated memory is still 302.0 MB. Free memory was 240.2 MB in the beginning and 191.3 MB in the end (delta: 48.9 MB). Peak memory consumption was 48.9 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 21 LocStat_MAX_WEQGRAPH_SIZE : 2 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 149 LocStat_NO_SUPPORTING_DISEQUALITIES : 37 LocStat_NO_DISJUNCTIONS : -42 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 29 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 37 TransStat_NO_SUPPORTING_DISEQUALITIES : 6 TransStat_NO_DISJUNCTIONS : 30 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.057212 RENAME_VARIABLES(MILLISECONDS) : 0.202907 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.003094 PROJECTAWAY(MILLISECONDS) : 0.130916 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.155907 DISJOIN(MILLISECONDS) : 3.901425 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.242711 ADD_EQUALITY(MILLISECONDS) : 0.063757 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.017951 #CONJOIN_DISJUNCTIVE : 39 #RENAME_VARIABLES : 73 #UNFREEZE : 0 #CONJOIN : 71 #PROJECTAWAY : 75 #ADD_WEAK_EQUALITY : 4 #DISJOIN : 1 #RENAME_VARIABLES_DISJUNCTIVE : 72 #ADD_EQUALITY : 37 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 3 - 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: [L26] FCALL struct ppp_comp_stats cstats ; [L27] void *point; [L28] point = (void *)(& cstats) [L29] FCALL memset(point, 10, 80UL) - UnprovableResult [Line: 25]: 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: [L26] FCALL struct ppp_comp_stats cstats ; [L27] void *point; [L28] point = (void *)(& cstats) [L29] FCALL memset(point, 10, 80UL) [L30] return 0; [L30] return 0; - 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 free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - 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/memsetNonZero3_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_smtcomp.epf_AbstractInterpretationC.xml/Csv-Benchmark-0-2018-01-25_04-47-07-785.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memsetNonZero3_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_smtcomp.epf_AbstractInterpretationC.xml/Csv-VPDomainBenchmark-0-2018-01-25_04-47-07-785.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memsetNonZero3_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_smtcomp.epf_AbstractInterpretationC.xml/Csv-BenchmarkWithCounters-0-2018-01-25_04-47-07-785.csv Received shutdown request...