/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/memsafety-ext3/scopes1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 19:43:28,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 19:43:28,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 19:43:28,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 19:43:28,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 19:43:28,809 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 19:43:28,811 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 19:43:28,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 19:43:28,816 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 19:43:28,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 19:43:28,818 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 19:43:28,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 19:43:28,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 19:43:28,822 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 19:43:28,823 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 19:43:28,825 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 19:43:28,826 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 19:43:28,827 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 19:43:28,829 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 19:43:28,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 19:43:28,857 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 19:43:28,858 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 19:43:28,860 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 19:43:28,861 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 19:43:28,864 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 19:43:28,868 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 19:43:28,869 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 19:43:28,870 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 19:43:28,871 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 19:43:28,872 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 19:43:28,872 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 19:43:28,873 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 19:43:28,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 19:43:28,874 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 19:43:28,875 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 19:43:28,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 19:43:28,877 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2020-12-22 19:43:28,905 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 19:43:28,905 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 19:43:28,907 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 19:43:28,907 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 19:43:28,907 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 19:43:28,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 19:43:28,908 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-22 19:43:28,908 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 19:43:28,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 19:43:28,908 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-22 19:43:28,908 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-22 19:43:28,909 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-22 19:43:28,909 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 19:43:28,909 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-22 19:43:28,909 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 19:43:28,910 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 19:43:28,910 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 19:43:28,910 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 19:43:28,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 19:43:28,910 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 19:43:28,911 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 19:43:28,911 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 19:43:28,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 19:43:28,911 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 19:43:28,911 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 19:43:29,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 19:43:29,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 19:43:29,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 19:43:29,326 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 19:43:29,327 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 19:43:29,328 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext3/scopes1.c [2020-12-22 19:43:29,430 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e64590168/6a61aad2e4a0472bb2edee64a52afdf9/FLAGaf5b404ea [2020-12-22 19:43:30,075 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 19:43:30,076 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-ext3/scopes1.c [2020-12-22 19:43:30,084 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e64590168/6a61aad2e4a0472bb2edee64a52afdf9/FLAGaf5b404ea [2020-12-22 19:43:30,454 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e64590168/6a61aad2e4a0472bb2edee64a52afdf9 [2020-12-22 19:43:30,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 19:43:30,462 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 19:43:30,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 19:43:30,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 19:43:30,472 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 19:43:30,474 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 07:43:30" (1/1) ... [2020-12-22 19:43:30,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b97892d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:43:30, skipping insertion in model container [2020-12-22 19:43:30,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 07:43:30" (1/1) ... [2020-12-22 19:43:30,485 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 19:43:30,502 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 19:43:30,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 19:43:30,667 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 19:43:30,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 19:43:30,696 INFO L208 MainTranslator]: Completed translation [2020-12-22 19:43:30,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:43:30 WrapperNode [2020-12-22 19:43:30,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 19:43:30,698 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 19:43:30,698 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 19:43:30,698 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 19:43:30,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:43:30" (1/1) ... [2020-12-22 19:43:30,716 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:43:30" (1/1) ... [2020-12-22 19:43:30,737 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 19:43:30,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 19:43:30,739 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 19:43:30,739 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 19:43:30,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:43:30" (1/1) ... [2020-12-22 19:43:30,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:43:30" (1/1) ... [2020-12-22 19:43:30,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:43:30" (1/1) ... [2020-12-22 19:43:30,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:43:30" (1/1) ... [2020-12-22 19:43:30,756 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:43:30" (1/1) ... [2020-12-22 19:43:30,758 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:43:30" (1/1) ... [2020-12-22 19:43:30,759 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:43:30" (1/1) ... [2020-12-22 19:43:30,761 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 19:43:30,762 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 19:43:30,762 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 19:43:30,762 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 19:43:30,763 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:43:30" (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 [2020-12-22 19:43:30,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 19:43:30,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 19:43:30,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 19:43:30,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 19:43:30,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 19:43:30,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 19:43:31,263 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 19:43:31,267 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-22 19:43:31,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:43:31 BoogieIcfgContainer [2020-12-22 19:43:31,270 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 19:43:31,276 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 19:43:31,276 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 19:43:31,282 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 19:43:31,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 07:43:30" (1/3) ... [2020-12-22 19:43:31,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@173747e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 07:43:31, skipping insertion in model container [2020-12-22 19:43:31,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:43:30" (2/3) ... [2020-12-22 19:43:31,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@173747e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 07:43:31, skipping insertion in model container [2020-12-22 19:43:31,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:43:31" (3/3) ... [2020-12-22 19:43:31,294 INFO L111 eAbstractionObserver]: Analyzing ICFG scopes1.c [2020-12-22 19:43:31,317 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 19:43:31,330 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-12-22 19:43:31,360 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-12-22 19:43:31,395 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 19:43:31,396 INFO L378 AbstractCegarLoop]: Hoare is false [2020-12-22 19:43:31,397 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 19:43:31,397 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 19:43:31,397 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 19:43:31,397 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 19:43:31,399 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 19:43:31,400 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 19:43:31,424 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2020-12-22 19:43:31,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-22 19:43:31,433 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:43:31,434 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-12-22 19:43:31,435 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2020-12-22 19:43:31,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:43:31,442 INFO L82 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2020-12-22 19:43:31,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:43:31,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902553671] [2020-12-22 19:43:31,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:43:31,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 19:43:31,576 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 19:43:31,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 19:43:31,600 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 19:43:31,624 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-22 19:43:31,625 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-22 19:43:31,626 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 19:43:31,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 07:43:31 BoogieIcfgContainer [2020-12-22 19:43:31,649 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 19:43:31,650 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 19:43:31,650 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 19:43:31,650 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 19:43:31,651 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:43:31" (3/4) ... [2020-12-22 19:43:31,654 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-22 19:43:31,701 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/memsafety-ext3/scopes1.c-witness.graphml [2020-12-22 19:43:31,701 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 19:43:31,706 INFO L168 Benchmark]: Toolchain (without parser) took 1241.34 ms. Allocated memory is still 151.0 MB. Free memory was 126.5 MB in the beginning and 121.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 6.0 MB. Max. memory is 8.0 GB. [2020-12-22 19:43:31,707 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 123.8 MB in the end (delta: 75.0 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 19:43:31,710 INFO L168 Benchmark]: CACSL2BoogieTranslator took 229.97 ms. Allocated memory is still 151.0 MB. Free memory was 126.3 MB in the beginning and 117.4 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-12-22 19:43:31,711 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.83 ms. Allocated memory is still 151.0 MB. Free memory was 117.4 MB in the beginning and 116.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-22 19:43:31,712 INFO L168 Benchmark]: Boogie Preprocessor took 22.75 ms. Allocated memory is still 151.0 MB. Free memory was 116.0 MB in the beginning and 115.1 MB in the end (delta: 869.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-22 19:43:31,713 INFO L168 Benchmark]: RCFGBuilder took 507.87 ms. Allocated memory is still 151.0 MB. Free memory was 115.0 MB in the beginning and 103.3 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-12-22 19:43:31,714 INFO L168 Benchmark]: TraceAbstraction took 373.18 ms. Allocated memory is still 151.0 MB. Free memory was 102.9 MB in the beginning and 123.5 MB in the end (delta: -20.6 MB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 19:43:31,715 INFO L168 Benchmark]: Witness Printer took 51.57 ms. Allocated memory is still 151.0 MB. Free memory was 123.5 MB in the beginning and 121.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 19:43:31,720 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 123.8 MB in the end (delta: 75.0 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 229.97 ms. Allocated memory is still 151.0 MB. Free memory was 126.3 MB in the beginning and 117.4 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 39.83 ms. Allocated memory is still 151.0 MB. Free memory was 117.4 MB in the beginning and 116.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 22.75 ms. Allocated memory is still 151.0 MB. Free memory was 116.0 MB in the beginning and 115.1 MB in the end (delta: 869.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 507.87 ms. Allocated memory is still 151.0 MB. Free memory was 115.0 MB in the beginning and 103.3 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 373.18 ms. Allocated memory is still 151.0 MB. Free memory was 102.9 MB in the beginning and 123.5 MB in the end (delta: -20.6 MB). There was no memory consumed. Max. memory is 8.0 GB. * Witness Printer took 51.57 ms. Allocated memory is still 151.0 MB. Free memory was 123.5 MB in the beginning and 121.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 16]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L4] int *myPointerA = ((void*) 0); [L5] int *myPointerB = ((void*) 0); [L8] int myNumberA = 7; [L9] myPointerA = &myNumberA [L8] int myNumberA = 7; [L13] int myNumberB = 3; [L14] myPointerB = &myNumberB [L16] \read(*myPointerA) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 13 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred 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, 3 NumberOfCodeBlocks, 3 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...