/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-dcfa08f [2020-12-23 17:36:24,025 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 17:36:24,028 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 17:36:24,074 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 17:36:24,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 17:36:24,076 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 17:36:24,078 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 17:36:24,081 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 17:36:24,084 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 17:36:24,085 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 17:36:24,086 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 17:36:24,088 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 17:36:24,089 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 17:36:24,090 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 17:36:24,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 17:36:24,093 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 17:36:24,095 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 17:36:24,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 17:36:24,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 17:36:24,117 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 17:36:24,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 17:36:24,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 17:36:24,123 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 17:36:24,124 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 17:36:24,128 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 17:36:24,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 17:36:24,128 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 17:36:24,130 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 17:36:24,130 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 17:36:24,132 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 17:36:24,132 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 17:36:24,133 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 17:36:24,134 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 17:36:24,135 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 17:36:24,137 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 17:36:24,137 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 17:36:24,138 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 17:36:24,138 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 17:36:24,139 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 17:36:24,140 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 17:36:24,141 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 17:36:24,142 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2020-12-23 17:36:24,182 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 17:36:24,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 17:36:24,184 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 17:36:24,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 17:36:24,187 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 17:36:24,188 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 17:36:24,188 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-23 17:36:24,188 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 17:36:24,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 17:36:24,189 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-23 17:36:24,189 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-23 17:36:24,189 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-23 17:36:24,190 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 17:36:24,190 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-23 17:36:24,190 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 17:36:24,190 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 17:36:24,190 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 17:36:24,191 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 17:36:24,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 17:36:24,193 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 17:36:24,193 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 17:36:24,193 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 17:36:24,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 17:36:24,193 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 17:36:24,194 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 17:36:24,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 17:36:24,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 17:36:24,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 17:36:24,672 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 17:36:24,673 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 17:36:24,674 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext3/scopes5.c [2020-12-23 17:36:24,774 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/8407028d8/25d04efd001a46f283485b2d06b44bc5/FLAGd6adeb699 [2020-12-23 17:36:25,358 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 17:36:25,359 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/memsafety-ext3/scopes5.c [2020-12-23 17:36:25,366 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/8407028d8/25d04efd001a46f283485b2d06b44bc5/FLAGd6adeb699 [2020-12-23 17:36:25,760 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/8407028d8/25d04efd001a46f283485b2d06b44bc5 [2020-12-23 17:36:25,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 17:36:25,770 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 17:36:25,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 17:36:25,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 17:36:25,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 17:36:25,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 05:36:25" (1/1) ... [2020-12-23 17:36:25,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c579599 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:36:25, skipping insertion in model container [2020-12-23 17:36:25,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 05:36:25" (1/1) ... [2020-12-23 17:36:25,796 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 17:36:25,812 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]]] [2020-12-23 17:36:25,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 17:36:26,008 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]]] [2020-12-23 17:36:26,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 17:36:26,042 INFO L208 MainTranslator]: Completed translation [2020-12-23 17:36:26,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:36:26 WrapperNode [2020-12-23 17:36:26,043 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 17:36:26,045 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 17:36:26,045 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 17:36:26,045 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 17:36:26,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:36:26" (1/1) ... [2020-12-23 17:36:26,063 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:36:26" (1/1) ... [2020-12-23 17:36:26,084 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 17:36:26,085 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 17:36:26,085 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 17:36:26,085 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 17:36:26,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:36:26" (1/1) ... [2020-12-23 17:36:26,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:36:26" (1/1) ... [2020-12-23 17:36:26,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:36:26" (1/1) ... [2020-12-23 17:36:26,097 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:36:26" (1/1) ... [2020-12-23 17:36:26,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:36:26" (1/1) ... [2020-12-23 17:36:26,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:36:26" (1/1) ... [2020-12-23 17:36:26,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:36:26" (1/1) ... [2020-12-23 17:36:26,106 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 17:36:26,107 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 17:36:26,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 17:36:26,108 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 17:36:26,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:36:26" (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 [2020-12-23 17:36:26,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-23 17:36:26,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 17:36:26,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 17:36:26,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 17:36:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-23 17:36:26,527 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 17:36:26,528 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2020-12-23 17:36:26,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 05:36:26 BoogieIcfgContainer [2020-12-23 17:36:26,531 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 17:36:26,534 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 17:36:26,535 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 17:36:26,539 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 17:36:26,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 05:36:25" (1/3) ... [2020-12-23 17:36:26,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b03701f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 05:36:26, skipping insertion in model container [2020-12-23 17:36:26,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:36:26" (2/3) ... [2020-12-23 17:36:26,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b03701f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 05:36:26, skipping insertion in model container [2020-12-23 17:36:26,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 05:36:26" (3/3) ... [2020-12-23 17:36:26,546 INFO L111 eAbstractionObserver]: Analyzing ICFG scopes5.c [2020-12-23 17:36:26,554 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 17:36:26,559 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-23 17:36:26,580 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-23 17:36:26,619 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 17:36:26,619 INFO L378 AbstractCegarLoop]: Hoare is false [2020-12-23 17:36:26,619 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 17:36:26,619 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 17:36:26,620 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 17:36:26,620 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 17:36:26,620 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 17:36:26,620 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 17:36:26,636 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-12-23 17:36:26,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-23 17:36:26,643 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:36:26,644 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-23 17:36:26,645 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 17:36:26,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:36:26,652 INFO L82 PathProgramCache]: Analyzing trace with hash 925608, now seen corresponding path program 1 times [2020-12-23 17:36:26,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:36:26,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264937822] [2020-12-23 17:36:26,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:36:26,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 17:36:26,857 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 17:36:26,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 17:36:26,869 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 17:36:26,893 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-23 17:36:26,894 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-23 17:36:26,894 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 17:36:26,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 05:36:26 BoogieIcfgContainer [2020-12-23 17:36:26,917 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 17:36:26,918 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 17:36:26,918 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 17:36:26,918 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 17:36:26,919 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 05:36:26" (3/4) ... [2020-12-23 17:36:26,922 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-23 17:36:26,963 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/memsafety-ext3/scopes5.c-witness.graphml [2020-12-23 17:36:26,963 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 17:36:26,966 INFO L168 Benchmark]: Toolchain (without parser) took 1196.79 ms. Allocated memory is still 151.0 MB. Free memory was 126.7 MB in the beginning and 130.0 MB in the end (delta: -3.3 MB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 17:36:26,967 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 122.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 17:36:26,968 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.24 ms. Allocated memory is still 151.0 MB. Free memory was 126.5 MB in the beginning and 118.0 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-12-23 17:36:26,969 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.27 ms. Allocated memory is still 151.0 MB. Free memory was 117.8 MB in the beginning and 116.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-23 17:36:26,970 INFO L168 Benchmark]: Boogie Preprocessor took 21.68 ms. Allocated memory is still 151.0 MB. Free memory was 116.5 MB in the beginning and 115.7 MB in the end (delta: 863.1 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-23 17:36:26,971 INFO L168 Benchmark]: RCFGBuilder took 423.40 ms. Allocated memory is still 151.0 MB. Free memory was 115.7 MB in the beginning and 105.8 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-12-23 17:36:26,971 INFO L168 Benchmark]: TraceAbstraction took 382.74 ms. Allocated memory is still 151.0 MB. Free memory was 105.4 MB in the beginning and 131.5 MB in the end (delta: -26.1 MB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 17:36:26,973 INFO L168 Benchmark]: Witness Printer took 45.49 ms. Allocated memory is still 151.0 MB. Free memory was 131.5 MB in the beginning and 130.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-23 17:36:26,978 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 122.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 271.24 ms. Allocated memory is still 151.0 MB. Free memory was 126.5 MB in the beginning and 118.0 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 39.27 ms. Allocated memory is still 151.0 MB. Free memory was 117.8 MB in the beginning and 116.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 21.68 ms. Allocated memory is still 151.0 MB. Free memory was 116.5 MB in the beginning and 115.7 MB in the end (delta: 863.1 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 423.40 ms. Allocated memory is still 151.0 MB. Free memory was 115.7 MB in the beginning and 105.8 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 382.74 ms. Allocated memory is still 151.0 MB. Free memory was 105.4 MB in the beginning and 131.5 MB in the end (delta: -26.1 MB). There was no memory consumed. Max. memory is 8.0 GB. * Witness Printer took 45.49 ms. Allocated memory is still 151.0 MB. Free memory was 131.5 MB in the beginning and 130.0 MB in the end (delta: 1.5 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...