./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/memsafety-ext3/scopes5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/memsafety-ext3/scopes5.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 767ec81abc1d53fd457a174594199b33ee40a3be ........................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref) --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 02:46:43,719 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:46:43,722 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:46:43,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:46:43,740 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:46:43,741 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:46:43,743 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:46:43,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:46:43,753 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:46:43,754 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:46:43,755 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:46:43,757 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:46:43,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:46:43,761 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:46:43,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:46:43,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:46:43,766 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:46:43,767 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:46:43,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:46:43,770 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:46:43,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:46:43,773 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:46:43,774 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:46:43,775 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:46:43,777 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:46:43,778 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:46:43,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:46:43,779 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:46:43,779 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:46:43,780 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:46:43,781 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:46:43,781 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:46:43,782 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:46:43,783 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:46:43,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:46:43,784 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:46:43,785 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:46:43,785 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:46:43,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:46:43,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:46:43,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:46:43,788 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-28 02:46:43,802 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:46:43,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:46:43,804 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:46:43,804 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:46:43,805 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:46:43,805 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:46:43,805 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 02:46:43,806 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:46:43,806 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:46:43,806 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 02:46:43,807 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:46:43,807 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 02:46:43,807 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 02:46:43,807 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 02:46:43,808 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 02:46:43,808 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 02:46:43,808 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 02:46:43,809 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:46:43,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:46:43,809 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:46:43,809 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 02:46:43,810 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 02:46:43,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:46:43,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:46:43,811 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 02:46:43,811 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 02:46:43,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 02:46:43,812 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 767ec81abc1d53fd457a174594199b33ee40a3be [2019-11-28 02:46:44,132 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:46:44,151 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:46:44,155 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:46:44,156 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:46:44,157 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:46:44,158 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext3/scopes5.c [2019-11-28 02:46:44,230 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a1240d2b/fc27ad09bad94eddab11a8ae84733246/FLAG68b0dfc86 [2019-11-28 02:46:44,654 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:46:44,657 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-ext3/scopes5.c [2019-11-28 02:46:44,663 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a1240d2b/fc27ad09bad94eddab11a8ae84733246/FLAG68b0dfc86 [2019-11-28 02:46:45,009 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a1240d2b/fc27ad09bad94eddab11a8ae84733246 [2019-11-28 02:46:45,014 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:46:45,016 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 02:46:45,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:46:45,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:46:45,022 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:46:45,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:46:45" (1/1) ... [2019-11-28 02:46:45,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c0b093e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:45, skipping insertion in model container [2019-11-28 02:46:45,026 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:46:45" (1/1) ... [2019-11-28 02:46:45,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:46:45,050 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:46:45,274 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:46:45,291 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 02:46:45,306 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:46:45,318 INFO L208 MainTranslator]: Completed translation [2019-11-28 02:46:45,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:45 WrapperNode [2019-11-28 02:46:45,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:46:45,320 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 02:46:45,320 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 02:46:45,320 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 02:46:45,385 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:45" (1/1) ... [2019-11-28 02:46:45,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:45" (1/1) ... [2019-11-28 02:46:45,395 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:45" (1/1) ... [2019-11-28 02:46:45,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:45" (1/1) ... [2019-11-28 02:46:45,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:45" (1/1) ... [2019-11-28 02:46:45,405 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:45" (1/1) ... [2019-11-28 02:46:45,406 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:45" (1/1) ... [2019-11-28 02:46:45,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 02:46:45,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 02:46:45,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 02:46:45,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 02:46:45,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:45" (1/1) ... No working directory specified, using /storage/repos/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 [2019-11-28 02:46:45,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 02:46:45,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 02:46:45,463 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 02:46:45,463 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 02:46:45,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 02:46:45,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 02:46:45,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 02:46:45,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 02:46:45,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 02:46:45,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 02:46:45,667 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 02:46:45,668 INFO L297 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-28 02:46:45,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:46:45 BoogieIcfgContainer [2019-11-28 02:46:45,672 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 02:46:45,674 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 02:46:45,678 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 02:46:45,685 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 02:46:45,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:46:45" (1/3) ... [2019-11-28 02:46:45,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@482aa41a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:46:45, skipping insertion in model container [2019-11-28 02:46:45,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:45" (2/3) ... [2019-11-28 02:46:45,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@482aa41a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:46:45, skipping insertion in model container [2019-11-28 02:46:45,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:46:45" (3/3) ... [2019-11-28 02:46:45,694 INFO L109 eAbstractionObserver]: Analyzing ICFG scopes5.c [2019-11-28 02:46:45,712 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 02:46:45,719 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 02:46:45,739 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 02:46:45,776 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 02:46:45,776 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 02:46:45,776 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 02:46:45,777 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 02:46:45,778 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 02:46:45,778 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 02:46:45,779 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 02:46:45,779 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 02:46:45,795 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2019-11-28 02:46:45,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-28 02:46:45,805 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:46:45,806 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:46:45,806 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION]=== [2019-11-28 02:46:45,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:46:45,811 INFO L82 PathProgramCache]: Analyzing trace with hash 2096341080, now seen corresponding path program 1 times [2019-11-28 02:46:45,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:46:45,818 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698951867] [2019-11-28 02:46:45,818 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:46:45,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:46:45,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:46:45,941 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:46:45,941 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 02:46:45,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:46:45 BoogieIcfgContainer [2019-11-28 02:46:45,957 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 02:46:45,958 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 02:46:45,958 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 02:46:45,958 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 02:46:45,959 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:46:45" (3/4) ... [2019-11-28 02:46:45,961 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-28 02:46:46,001 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 02:46:46,002 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 02:46:46,004 INFO L168 Benchmark]: Toolchain (without parser) took 987.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -128.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:46:46,005 INFO L168 Benchmark]: CDTParser took 1.45 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:46:46,007 INFO L168 Benchmark]: CACSL2BoogieTranslator took 301.48 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 02:46:46,009 INFO L168 Benchmark]: Boogie Preprocessor took 92.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -166.0 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2019-11-28 02:46:46,015 INFO L168 Benchmark]: RCFGBuilder took 259.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2019-11-28 02:46:46,016 INFO L168 Benchmark]: TraceAbstraction took 283.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2019-11-28 02:46:46,017 INFO L168 Benchmark]: Witness Printer took 44.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:46:46,028 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.45 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 301.48 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 92.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -166.0 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 259.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 283.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Witness Printer took 44.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 7]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L2] int* p; [L4] int a[10]; [L5] p = a [L7] p[0] = 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 15 locations, 3 error locations. Result: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...