/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/array-memsafety/selectionsort_unsafe.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 16:54:10,501 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 16:54:10,505 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 16:54:10,568 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 16:54:10,568 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 16:54:10,573 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 16:54:10,577 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 16:54:10,583 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 16:54:10,587 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 16:54:10,596 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 16:54:10,600 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 16:54:10,602 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 16:54:10,603 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 16:54:10,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 16:54:10,608 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 16:54:10,610 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 16:54:10,612 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 16:54:10,616 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 16:54:10,636 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 16:54:10,640 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 16:54:10,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 16:54:10,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 16:54:10,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 16:54:10,650 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 16:54:10,658 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-23 16:54:10,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 16:54:10,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 16:54:10,666 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 16:54:10,667 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 16:54:10,668 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 16:54:10,669 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 16:54:10,670 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 16:54:10,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 16:54:10,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 16:54:10,671 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 16:54:10,672 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 16:54:10,673 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 16:54:10,723 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 16:54:10,724 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 16:54:10,729 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 16:54:10,729 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 16:54:10,730 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 16:54:10,730 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 16:54:10,730 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-23 16:54:10,730 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 16:54:10,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 16:54:10,731 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-23 16:54:10,732 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-23 16:54:10,732 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-23 16:54:10,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 16:54:10,733 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-23 16:54:10,733 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 16:54:10,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 16:54:10,734 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 16:54:10,734 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 16:54:10,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 16:54:10,734 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 16:54:10,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 16:54:10,735 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 16:54:10,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 16:54:10,735 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 16:54:10,735 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 16:54:11,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 16:54:11,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 16:54:11,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 16:54:11,138 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 16:54:11,139 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 16:54:11,140 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/selectionsort_unsafe.c [2020-12-23 16:54:11,221 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/e21bdac86/506b4535fad64986bd75115fa3a0d946/FLAG3fc3383e9 [2020-12-23 16:54:11,924 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 16:54:11,924 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/array-memsafety/selectionsort_unsafe.c [2020-12-23 16:54:11,938 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/e21bdac86/506b4535fad64986bd75115fa3a0d946/FLAG3fc3383e9 [2020-12-23 16:54:12,286 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/e21bdac86/506b4535fad64986bd75115fa3a0d946 [2020-12-23 16:54:12,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 16:54:12,293 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 16:54:12,295 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 16:54:12,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 16:54:12,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 16:54:12,301 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 04:54:12" (1/1) ... [2020-12-23 16:54:12,303 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56491e85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:54:12, skipping insertion in model container [2020-12-23 16:54:12,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 04:54:12" (1/1) ... [2020-12-23 16:54:12,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 16:54:12,333 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~min~0,] left hand side expression in assignment: lhs: VariableLHS[~j~0,] left hand side expression in assignment: lhs: VariableLHS[~min~0,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~a,],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~a,],offset],BinaryExpression[ARITHMUL,IntegerLiteral[4],IdentifierExpression[~i~0,]]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~a,],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~a,],offset],BinaryExpression[ARITHMUL,IntegerLiteral[4],IdentifierExpression[~min~0,]]]]] [2020-12-23 16:54:12,488 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 16:54:12,499 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~min~0,] left hand side expression in assignment: lhs: VariableLHS[~j~0,] left hand side expression in assignment: lhs: VariableLHS[~min~0,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~a,],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~a,],offset],BinaryExpression[ARITHMUL,IntegerLiteral[4],IdentifierExpression[~i~0,]]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~a,],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~a,],offset],BinaryExpression[ARITHMUL,IntegerLiteral[4],IdentifierExpression[~min~0,]]]]] [2020-12-23 16:54:12,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 16:54:12,531 INFO L208 MainTranslator]: Completed translation [2020-12-23 16:54:12,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:54:12 WrapperNode [2020-12-23 16:54:12,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 16:54:12,533 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 16:54:12,533 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 16:54:12,534 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 16:54:12,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:54:12" (1/1) ... [2020-12-23 16:54:12,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:54:12" (1/1) ... [2020-12-23 16:54:12,570 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 16:54:12,571 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 16:54:12,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 16:54:12,572 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 16:54:12,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:54:12" (1/1) ... [2020-12-23 16:54:12,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:54:12" (1/1) ... [2020-12-23 16:54:12,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:54:12" (1/1) ... [2020-12-23 16:54:12,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:54:12" (1/1) ... [2020-12-23 16:54:12,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:54:12" (1/1) ... [2020-12-23 16:54:12,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:54:12" (1/1) ... [2020-12-23 16:54:12,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:54:12" (1/1) ... [2020-12-23 16:54:12,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 16:54:12,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 16:54:12,598 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 16:54:12,598 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 16:54:12,599 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:54:12" (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 16:54:12,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-23 16:54:12,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 16:54:12,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 16:54:12,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-23 16:54:13,041 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 16:54:13,041 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2020-12-23 16:54:13,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 04:54:13 BoogieIcfgContainer [2020-12-23 16:54:13,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 16:54:13,045 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 16:54:13,046 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 16:54:13,050 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 16:54:13,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 04:54:12" (1/3) ... [2020-12-23 16:54:13,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a300498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 04:54:13, skipping insertion in model container [2020-12-23 16:54:13,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:54:12" (2/3) ... [2020-12-23 16:54:13,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a300498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 04:54:13, skipping insertion in model container [2020-12-23 16:54:13,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 04:54:13" (3/3) ... [2020-12-23 16:54:13,054 INFO L111 eAbstractionObserver]: Analyzing ICFG selectionsort_unsafe.c [2020-12-23 16:54:13,063 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 16:54:13,069 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2020-12-23 16:54:13,095 INFO L253 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2020-12-23 16:54:13,122 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 16:54:13,122 INFO L378 AbstractCegarLoop]: Hoare is false [2020-12-23 16:54:13,122 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 16:54:13,122 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 16:54:13,123 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 16:54:13,123 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 16:54:13,123 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 16:54:13,123 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 16:54:13,139 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2020-12-23 16:54:13,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-23 16:54:13,147 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:54:13,148 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-23 16:54:13,148 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION]=== [2020-12-23 16:54:13,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:54:13,157 INFO L82 PathProgramCache]: Analyzing trace with hash 28740435, now seen corresponding path program 1 times [2020-12-23 16:54:13,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:54:13,169 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915738400] [2020-12-23 16:54:13,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:54:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 16:54:13,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 16:54:13,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915738400] [2020-12-23 16:54:13,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 16:54:13,322 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 16:54:13,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629304301] [2020-12-23 16:54:13,328 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 16:54:13,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:54:13,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 16:54:13,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 16:54:13,350 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 2 states. [2020-12-23 16:54:13,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:54:13,368 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2020-12-23 16:54:13,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 16:54:13,370 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2020-12-23 16:54:13,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:54:13,381 INFO L225 Difference]: With dead ends: 32 [2020-12-23 16:54:13,381 INFO L226 Difference]: Without dead ends: 30 [2020-12-23 16:54:13,383 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 16:54:13,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-12-23 16:54:13,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-12-23 16:54:13,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-12-23 16:54:13,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2020-12-23 16:54:13,425 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 5 [2020-12-23 16:54:13,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:54:13,426 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2020-12-23 16:54:13,426 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 16:54:13,426 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2020-12-23 16:54:13,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-23 16:54:13,427 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:54:13,427 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-23 16:54:13,427 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 16:54:13,428 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION]=== [2020-12-23 16:54:13,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:54:13,429 INFO L82 PathProgramCache]: Analyzing trace with hash 28698151, now seen corresponding path program 1 times [2020-12-23 16:54:13,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:54:13,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598939731] [2020-12-23 16:54:13,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:54:13,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 16:54:13,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 16:54:13,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598939731] [2020-12-23 16:54:13,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 16:54:13,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 16:54:13,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253721411] [2020-12-23 16:54:13,477 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 16:54:13,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:54:13,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 16:54:13,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 16:54:13,479 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. Second operand 3 states. [2020-12-23 16:54:13,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:54:13,533 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2020-12-23 16:54:13,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 16:54:13,534 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-12-23 16:54:13,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:54:13,535 INFO L225 Difference]: With dead ends: 29 [2020-12-23 16:54:13,535 INFO L226 Difference]: Without dead ends: 27 [2020-12-23 16:54:13,537 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 16:54:13,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-12-23 16:54:13,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-12-23 16:54:13,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-12-23 16:54:13,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2020-12-23 16:54:13,543 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 5 [2020-12-23 16:54:13,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:54:13,544 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2020-12-23 16:54:13,544 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 16:54:13,544 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2020-12-23 16:54:13,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-23 16:54:13,544 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:54:13,545 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-23 16:54:13,545 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 16:54:13,545 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION]=== [2020-12-23 16:54:13,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:54:13,547 INFO L82 PathProgramCache]: Analyzing trace with hash 28698875, now seen corresponding path program 1 times [2020-12-23 16:54:13,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:54:13,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349943816] [2020-12-23 16:54:13,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:54:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 16:54:13,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 16:54:13,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349943816] [2020-12-23 16:54:13,612 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 16:54:13,615 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 16:54:13,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085775658] [2020-12-23 16:54:13,616 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 16:54:13,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:54:13,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 16:54:13,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 16:54:13,618 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand 3 states. [2020-12-23 16:54:13,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:54:13,682 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2020-12-23 16:54:13,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 16:54:13,685 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-12-23 16:54:13,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:54:13,686 INFO L225 Difference]: With dead ends: 28 [2020-12-23 16:54:13,686 INFO L226 Difference]: Without dead ends: 28 [2020-12-23 16:54:13,687 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 16:54:13,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-12-23 16:54:13,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-12-23 16:54:13,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-12-23 16:54:13,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2020-12-23 16:54:13,700 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 5 [2020-12-23 16:54:13,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:54:13,700 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2020-12-23 16:54:13,700 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 16:54:13,701 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2020-12-23 16:54:13,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-23 16:54:13,703 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:54:13,704 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-23 16:54:13,704 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 16:54:13,705 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION]=== [2020-12-23 16:54:13,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:54:13,705 INFO L82 PathProgramCache]: Analyzing trace with hash 28698921, now seen corresponding path program 1 times [2020-12-23 16:54:13,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:54:13,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613381096] [2020-12-23 16:54:13,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:54:13,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 16:54:13,732 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 16:54:13,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 16:54:13,759 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 16:54:13,792 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-23 16:54:13,792 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-23 16:54:13,793 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 16:54:13,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 04:54:13 BoogieIcfgContainer [2020-12-23 16:54:13,820 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 16:54:13,820 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 16:54:13,820 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 16:54:13,821 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 16:54:13,822 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 04:54:13" (3/4) ... [2020-12-23 16:54:13,825 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-23 16:54:13,882 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/array-memsafety/selectionsort_unsafe.c-witness.graphml [2020-12-23 16:54:13,882 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 16:54:13,885 INFO L168 Benchmark]: Toolchain (without parser) took 1592.73 ms. Allocated memory is still 151.0 MB. Free memory was 127.1 MB in the beginning and 100.9 MB in the end (delta: 26.2 MB). Peak memory consumption was 27.0 MB. Max. memory is 8.0 GB. [2020-12-23 16:54:13,886 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 123.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 16:54:13,887 INFO L168 Benchmark]: CACSL2BoogieTranslator took 237.10 ms. Allocated memory is still 151.0 MB. Free memory was 126.9 MB in the beginning and 117.8 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-12-23 16:54:13,891 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.47 ms. Allocated memory is still 151.0 MB. Free memory was 117.8 MB in the beginning and 116.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-23 16:54:13,892 INFO L168 Benchmark]: Boogie Preprocessor took 25.26 ms. Allocated memory is still 151.0 MB. Free memory was 116.1 MB in the beginning and 115.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-23 16:54:13,895 INFO L168 Benchmark]: RCFGBuilder took 445.98 ms. Allocated memory is still 151.0 MB. Free memory was 115.1 MB in the beginning and 133.4 MB in the end (delta: -18.3 MB). Peak memory consumption was 17.6 MB. Max. memory is 8.0 GB. [2020-12-23 16:54:13,896 INFO L168 Benchmark]: TraceAbstraction took 774.30 ms. Allocated memory is still 151.0 MB. Free memory was 132.9 MB in the beginning and 103.0 MB in the end (delta: 29.9 MB). Peak memory consumption was 30.4 MB. Max. memory is 8.0 GB. [2020-12-23 16:54:13,897 INFO L168 Benchmark]: Witness Printer took 62.05 ms. Allocated memory is still 151.0 MB. Free memory was 103.0 MB in the beginning and 100.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-23 16:54:13,906 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 123.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 237.10 ms. Allocated memory is still 151.0 MB. Free memory was 126.9 MB in the beginning and 117.8 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 37.47 ms. Allocated memory is still 151.0 MB. Free memory was 117.8 MB in the beginning and 116.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 25.26 ms. Allocated memory is still 151.0 MB. Free memory was 116.1 MB in the beginning and 115.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 445.98 ms. Allocated memory is still 151.0 MB. Free memory was 115.1 MB in the beginning and 133.4 MB in the end (delta: -18.3 MB). Peak memory consumption was 17.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 774.30 ms. Allocated memory is still 151.0 MB. Free memory was 132.9 MB in the beginning and 103.0 MB in the end (delta: 29.9 MB). Peak memory consumption was 30.4 MB. Max. memory is 8.0 GB. * Witness Printer took 62.05 ms. Allocated memory is still 151.0 MB. Free memory was 103.0 MB in the beginning and 100.9 MB in the end (delta: 2.1 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: 12]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L23] int *a; [L24] int array_size = __VERIFIER_nondet_int(); [L5] int i; [L6] i = 0 [L6] COND TRUE i < array_size - 1 [L8] int j, min, temp; [L9] min = i [L10] j = i+1 [L10] COND TRUE j < array_size [L12] a[j] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 32 locations, 13 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 77 SDtfs, 36 SDslu, 16 SDs, 0 SdLazy, 21 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred 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: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 88 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...