/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/scopes5.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-07 05:47:37,403 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-07 05:47:37,406 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-07 05:47:37,442 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-07 05:47:37,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-07 05:47:37,444 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-07 05:47:37,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-07 05:47:37,449 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-07 05:47:37,451 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-07 05:47:37,452 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-07 05:47:37,453 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-07 05:47:37,455 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-07 05:47:37,455 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-07 05:47:37,457 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-07 05:47:37,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-07 05:47:37,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-07 05:47:37,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-07 05:47:37,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-07 05:47:37,479 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-07 05:47:37,481 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-07 05:47:37,483 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-07 05:47:37,485 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-07 05:47:37,486 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-07 05:47:37,487 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-07 05:47:37,490 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-07 05:47:37,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-07 05:47:37,491 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-07 05:47:37,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-07 05:47:37,493 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-07 05:47:37,494 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-07 05:47:37,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-07 05:47:37,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-07 05:47:37,496 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-07 05:47:37,497 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-07 05:47:37,498 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-07 05:47:37,498 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-07 05:47:37,499 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-07 05:47:37,500 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-07 05:47:37,500 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-07 05:47:37,501 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-07 05:47:37,502 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-07 05:47:37,503 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2021-01-07 05:47:37,529 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-07 05:47:37,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-07 05:47:37,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-07 05:47:37,531 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-07 05:47:37,531 INFO L138 SettingsManager]: * Use SBE=true [2021-01-07 05:47:37,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-07 05:47:37,532 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-01-07 05:47:37,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-07 05:47:37,532 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-07 05:47:37,532 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-01-07 05:47:37,533 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-01-07 05:47:37,533 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-01-07 05:47:37,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-07 05:47:37,533 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-01-07 05:47:37,533 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-07 05:47:37,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-07 05:47:37,534 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-07 05:47:37,534 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-07 05:47:37,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-07 05:47:37,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-07 05:47:37,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-07 05:47:37,535 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-07 05:47:37,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-07 05:47:37,535 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-07 05:47:37,535 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-bitabs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-07 05:47:37,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-07 05:47:38,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-07 05:47:38,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-07 05:47:38,038 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-07 05:47:38,039 INFO L275 PluginConnector]: CDTParser initialized [2021-01-07 05:47:38,040 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext3/scopes5.c [2021-01-07 05:47:38,114 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/e2d6e9440/7382ad8f955b498e93e9bfbd3a55be43/FLAG76507d3f2 [2021-01-07 05:47:38,697 INFO L306 CDTParser]: Found 1 translation units. [2021-01-07 05:47:38,698 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/memsafety-ext3/scopes5.c [2021-01-07 05:47:38,706 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/e2d6e9440/7382ad8f955b498e93e9bfbd3a55be43/FLAG76507d3f2 [2021-01-07 05:47:39,069 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/e2d6e9440/7382ad8f955b498e93e9bfbd3a55be43 [2021-01-07 05:47:39,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-07 05:47:39,077 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-07 05:47:39,083 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-07 05:47:39,083 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-07 05:47:39,088 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-07 05:47:39,089 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.01 05:47:39" (1/1) ... [2021-01-07 05:47:39,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@170b36f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:47:39, skipping insertion in model container [2021-01-07 05:47:39,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.01 05:47:39" (1/1) ... [2021-01-07 05:47:39,100 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-07 05:47:39,114 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~p~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~p~0,],base],StructAccessExpression[IdentifierExpression[~p~0,],offset]]] [2021-01-07 05:47:39,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-07 05:47:39,274 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~p~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~p~0,],base],StructAccessExpression[IdentifierExpression[~p~0,],offset]]] [2021-01-07 05:47:39,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-07 05:47:39,307 INFO L208 MainTranslator]: Completed translation [2021-01-07 05:47:39,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:47:39 WrapperNode [2021-01-07 05:47:39,308 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-07 05:47:39,310 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-07 05:47:39,310 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-07 05:47:39,310 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-07 05:47:39,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:47:39" (1/1) ... [2021-01-07 05:47:39,328 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:47:39" (1/1) ... [2021-01-07 05:47:39,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-07 05:47:39,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-07 05:47:39,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-07 05:47:39,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-07 05:47:39,359 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:47:39" (1/1) ... [2021-01-07 05:47:39,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:47:39" (1/1) ... [2021-01-07 05:47:39,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:47:39" (1/1) ... [2021-01-07 05:47:39,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:47:39" (1/1) ... [2021-01-07 05:47:39,365 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:47:39" (1/1) ... [2021-01-07 05:47:39,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:47:39" (1/1) ... [2021-01-07 05:47:39,368 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:47:39" (1/1) ... [2021-01-07 05:47:39,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-07 05:47:39,371 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-07 05:47:39,371 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-07 05:47:39,372 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-07 05:47:39,373 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:47:39" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/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 [2021-01-07 05:47:39,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-07 05:47:39,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-07 05:47:39,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-07 05:47:39,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-07 05:47:39,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-07 05:47:39,689 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-07 05:47:39,689 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-01-07 05:47:39,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 05:47:39 BoogieIcfgContainer [2021-01-07 05:47:39,691 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-07 05:47:39,693 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-07 05:47:39,694 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-07 05:47:39,697 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-07 05:47:39,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.01 05:47:39" (1/3) ... [2021-01-07 05:47:39,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@473c8309 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.01 05:47:39, skipping insertion in model container [2021-01-07 05:47:39,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.01 05:47:39" (2/3) ... [2021-01-07 05:47:39,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@473c8309 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.01 05:47:39, skipping insertion in model container [2021-01-07 05:47:39,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 05:47:39" (3/3) ... [2021-01-07 05:47:39,701 INFO L111 eAbstractionObserver]: Analyzing ICFG scopes5.c [2021-01-07 05:47:39,708 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-07 05:47:39,714 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-01-07 05:47:39,734 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-01-07 05:47:39,764 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-07 05:47:39,765 INFO L378 AbstractCegarLoop]: Hoare is false [2021-01-07 05:47:39,765 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-07 05:47:39,766 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-07 05:47:39,766 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-07 05:47:39,766 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-07 05:47:39,766 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-07 05:47:39,767 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-07 05:47:39,787 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2021-01-07 05:47:39,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-01-07 05:47:39,799 INFO L414 BasicCegarLoop]: Found error trace [2021-01-07 05:47:39,799 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-01-07 05:47:39,800 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK]=== [2021-01-07 05:47:39,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-07 05:47:39,806 INFO L82 PathProgramCache]: Analyzing trace with hash 925608, now seen corresponding path program 1 times [2021-01-07 05:47:39,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-07 05:47:39,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954420233] [2021-01-07 05:47:39,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-07 05:47:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-07 05:47:39,962 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-07 05:47:39,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-07 05:47:39,974 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-07 05:47:39,993 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-07 05:47:39,994 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-01-07 05:47:39,994 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-07 05:47:40,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.01 05:47:40 BoogieIcfgContainer [2021-01-07 05:47:40,014 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-07 05:47:40,015 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-07 05:47:40,015 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-07 05:47:40,016 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-07 05:47:40,016 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 05:47:39" (3/4) ... [2021-01-07 05:47:40,019 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-01-07 05:47:40,055 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/memsafety-ext3/scopes5.c-witness.graphml [2021-01-07 05:47:40,055 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-07 05:47:40,057 INFO L168 Benchmark]: Toolchain (without parser) took 979.69 ms. Allocated memory is still 163.6 MB. Free memory was 138.5 MB in the beginning and 140.2 MB in the end (delta: -1.7 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-01-07 05:47:40,058 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 163.6 MB. Free memory is still 136.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-07 05:47:40,059 INFO L168 Benchmark]: CACSL2BoogieTranslator took 225.97 ms. Allocated memory is still 163.6 MB. Free memory was 138.4 MB in the beginning and 129.6 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2021-01-07 05:47:40,060 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.12 ms. Allocated memory is still 163.6 MB. Free memory was 129.6 MB in the beginning and 128.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-01-07 05:47:40,061 INFO L168 Benchmark]: Boogie Preprocessor took 21.89 ms. Allocated memory is still 163.6 MB. Free memory was 128.3 MB in the beginning and 127.4 MB in the end (delta: 908.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-01-07 05:47:40,062 INFO L168 Benchmark]: RCFGBuilder took 320.39 ms. Allocated memory is still 163.6 MB. Free memory was 127.4 MB in the beginning and 117.8 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-01-07 05:47:40,063 INFO L168 Benchmark]: TraceAbstraction took 320.97 ms. Allocated memory is still 163.6 MB. Free memory was 117.3 MB in the beginning and 141.8 MB in the end (delta: -24.5 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-01-07 05:47:40,064 INFO L168 Benchmark]: Witness Printer took 39.69 ms. Allocated memory is still 163.6 MB. Free memory was 141.8 MB in the beginning and 140.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-01-07 05:47:40,075 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 163.6 MB. Free memory is still 136.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 225.97 ms. Allocated memory is still 163.6 MB. Free memory was 138.4 MB in the beginning and 129.6 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 38.12 ms. Allocated memory is still 163.6 MB. Free memory was 129.6 MB in the beginning and 128.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 21.89 ms. Allocated memory is still 163.6 MB. Free memory was 128.3 MB in the beginning and 127.4 MB in the end (delta: 908.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 320.39 ms. Allocated memory is still 163.6 MB. Free memory was 127.4 MB in the beginning and 117.8 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 320.97 ms. Allocated memory is still 163.6 MB. Free memory was 117.3 MB in the beginning and 141.8 MB in the end (delta: -24.5 MB). There was no memory consumed. Max. memory is 8.0 GB. * Witness Printer took 39.69 ms. Allocated memory is still 163.6 MB. Free memory was 141.8 MB in the beginning and 140.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 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 1 procedures, 10 locations, 3 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=10occurred 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, 4 NumberOfCodeBlocks, 4 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...