/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-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/loops/bubble_sort-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 04:17:10,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 04:17:10,083 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 04:17:10,140 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 04:17:10,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 04:17:10,145 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 04:17:10,148 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 04:17:10,156 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 04:17:10,160 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 04:17:10,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 04:17:10,168 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 04:17:10,169 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 04:17:10,170 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 04:17:10,173 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 04:17:10,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 04:17:10,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 04:17:10,178 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 04:17:10,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 04:17:10,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 04:17:10,197 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 04:17:10,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 04:17:10,201 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 04:17:10,203 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 04:17:10,206 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 04:17:10,235 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 04:17:10,241 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 04:17:10,242 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 04:17:10,245 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 04:17:10,246 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 04:17:10,247 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 04:17:10,247 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 04:17:10,248 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 04:17:10,249 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 04:17:10,249 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 04:17:10,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 04:17:10,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 04:17:10,256 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 04:17:10,312 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 04:17:10,312 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 04:17:10,316 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 04:17:10,317 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 04:17:10,317 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 04:17:10,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 04:17:10,318 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 04:17:10,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 04:17:10,319 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 04:17:10,319 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 04:17:10,321 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 04:17:10,321 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 04:17:10,321 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 04:17:10,321 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 04:17:10,322 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 04:17:10,322 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 04:17:10,322 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 04:17:10,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 04:17:10,323 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 04:17:10,323 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 04:17:10,324 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 04:17:10,324 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 04:17:10,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 04:17:10,324 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 04:17:10,325 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 04:17:10,325 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 04:17:10,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 04:17:10,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 04:17:10,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 04:17:10,773 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 04:17:10,774 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 04:17:10,775 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/bubble_sort-2.i [2020-12-22 04:17:10,883 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75f16092e/bf97de3a40a1488ca7380942a890b18f/FLAGc0de90a8a [2020-12-22 04:17:11,596 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 04:17:11,601 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/bubble_sort-2.i [2020-12-22 04:17:11,624 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75f16092e/bf97de3a40a1488ca7380942a890b18f/FLAGc0de90a8a [2020-12-22 04:17:11,903 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75f16092e/bf97de3a40a1488ca7380942a890b18f [2020-12-22 04:17:11,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 04:17:11,910 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 04:17:11,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 04:17:11,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 04:17:11,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 04:17:11,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 04:17:11" (1/1) ... [2020-12-22 04:17:11,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d6af7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:17:11, skipping insertion in model container [2020-12-22 04:17:11,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 04:17:11" (1/1) ... [2020-12-22 04:17:11,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 04:17:12,008 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 04:17:12,173 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/bubble_sort-2.i[1830,1843] [2020-12-22 04:17:12,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 04:17:12,345 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 04:17:12,375 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/bubble_sort-2.i[1830,1843] [2020-12-22 04:17:12,475 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 04:17:12,514 INFO L208 MainTranslator]: Completed translation [2020-12-22 04:17:12,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:17:12 WrapperNode [2020-12-22 04:17:12,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 04:17:12,517 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 04:17:12,517 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 04:17:12,517 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 04:17:12,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:17:12" (1/1) ... [2020-12-22 04:17:12,551 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:17:12" (1/1) ... [2020-12-22 04:17:12,650 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 04:17:12,651 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 04:17:12,651 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 04:17:12,652 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 04:17:12,663 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:17:12" (1/1) ... [2020-12-22 04:17:12,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:17:12" (1/1) ... [2020-12-22 04:17:12,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:17:12" (1/1) ... [2020-12-22 04:17:12,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:17:12" (1/1) ... [2020-12-22 04:17:12,712 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:17:12" (1/1) ... [2020-12-22 04:17:12,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:17:12" (1/1) ... [2020-12-22 04:17:12,737 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:17:12" (1/1) ... [2020-12-22 04:17:12,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 04:17:12,749 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 04:17:12,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 04:17:12,750 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 04:17:12,751 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:17:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 04:17:12,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 04:17:12,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 04:17:12,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 04:17:12,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 04:17:12,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 04:17:12,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 04:17:12,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 04:17:12,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 04:17:12,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 04:17:12,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 04:17:12,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 04:17:14,288 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 04:17:14,288 INFO L299 CfgBuilder]: Removed 143 assume(true) statements. [2020-12-22 04:17:14,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 04:17:14 BoogieIcfgContainer [2020-12-22 04:17:14,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 04:17:14,292 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 04:17:14,292 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 04:17:14,296 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 04:17:14,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 04:17:11" (1/3) ... [2020-12-22 04:17:14,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59f9096d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 04:17:14, skipping insertion in model container [2020-12-22 04:17:14,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:17:12" (2/3) ... [2020-12-22 04:17:14,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59f9096d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 04:17:14, skipping insertion in model container [2020-12-22 04:17:14,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 04:17:14" (3/3) ... [2020-12-22 04:17:14,300 INFO L111 eAbstractionObserver]: Analyzing ICFG bubble_sort-2.i [2020-12-22 04:17:14,306 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 04:17:14,312 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 34 error locations. [2020-12-22 04:17:14,331 INFO L253 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2020-12-22 04:17:14,361 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 04:17:14,362 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 04:17:14,362 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 04:17:14,362 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 04:17:14,362 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 04:17:14,362 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 04:17:14,362 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 04:17:14,362 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 04:17:14,387 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states. [2020-12-22 04:17:14,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-22 04:17:14,393 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 04:17:14,394 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-22 04:17:14,395 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 04:17:14,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 04:17:14,401 INFO L82 PathProgramCache]: Analyzing trace with hash 1809897809, now seen corresponding path program 1 times [2020-12-22 04:17:14,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 04:17:14,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570107836] [2020-12-22 04:17:14,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 04:17:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 04:17:14,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 04:17:14,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570107836] [2020-12-22 04:17:14,587 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 04:17:14,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 04:17:14,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211996192] [2020-12-22 04:17:14,594 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 04:17:14,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 04:17:14,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 04:17:14,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 04:17:14,613 INFO L87 Difference]: Start difference. First operand 213 states. Second operand 2 states. [2020-12-22 04:17:14,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 04:17:14,672 INFO L93 Difference]: Finished difference Result 424 states and 670 transitions. [2020-12-22 04:17:14,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 04:17:14,676 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2020-12-22 04:17:14,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 04:17:14,705 INFO L225 Difference]: With dead ends: 424 [2020-12-22 04:17:14,706 INFO L226 Difference]: Without dead ends: 204 [2020-12-22 04:17:14,713 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 [2020-12-22 04:17:14,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2020-12-22 04:17:14,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2020-12-22 04:17:14,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-12-22 04:17:14,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 209 transitions. [2020-12-22 04:17:14,803 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 209 transitions. Word has length 7 [2020-12-22 04:17:14,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 04:17:14,804 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 209 transitions. [2020-12-22 04:17:14,804 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 04:17:14,804 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 209 transitions. [2020-12-22 04:17:14,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-22 04:17:14,805 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 04:17:14,806 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 04:17:14,807 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 04:17:14,807 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 04:17:14,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 04:17:14,808 INFO L82 PathProgramCache]: Analyzing trace with hash -2031969607, now seen corresponding path program 1 times [2020-12-22 04:17:14,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 04:17:14,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722690718] [2020-12-22 04:17:14,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 04:17:14,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 04:17:15,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 04:17:15,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722690718] [2020-12-22 04:17:15,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 04:17:15,052 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 04:17:15,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507015637] [2020-12-22 04:17:15,055 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 04:17:15,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 04:17:15,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 04:17:15,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 04:17:15,056 INFO L87 Difference]: Start difference. First operand 204 states and 209 transitions. Second operand 4 states. [2020-12-22 04:17:15,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 04:17:15,272 INFO L93 Difference]: Finished difference Result 204 states and 209 transitions. [2020-12-22 04:17:15,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 04:17:15,273 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-12-22 04:17:15,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 04:17:15,276 INFO L225 Difference]: With dead ends: 204 [2020-12-22 04:17:15,276 INFO L226 Difference]: Without dead ends: 200 [2020-12-22 04:17:15,277 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 04:17:15,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-12-22 04:17:15,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2020-12-22 04:17:15,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2020-12-22 04:17:15,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 205 transitions. [2020-12-22 04:17:15,295 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 205 transitions. Word has length 14 [2020-12-22 04:17:15,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 04:17:15,296 INFO L481 AbstractCegarLoop]: Abstraction has 200 states and 205 transitions. [2020-12-22 04:17:15,296 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 04:17:15,296 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 205 transitions. [2020-12-22 04:17:15,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 04:17:15,297 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 04:17:15,297 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 04:17:15,297 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 04:17:15,297 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 04:17:15,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 04:17:15,298 INFO L82 PathProgramCache]: Analyzing trace with hash -1132347312, now seen corresponding path program 1 times [2020-12-22 04:17:15,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 04:17:15,298 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208769036] [2020-12-22 04:17:15,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 04:17:15,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 04:17:15,487 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 04:17:15,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 04:17:15,642 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 04:17:15,712 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-22 04:17:15,712 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-22 04:17:15,713 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 04:17:15,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 04:17:15 BoogieIcfgContainer [2020-12-22 04:17:15,832 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 04:17:15,833 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 04:17:15,833 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 04:17:15,833 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 04:17:15,835 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 04:17:14" (3/4) ... [2020-12-22 04:17:15,839 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-22 04:17:16,002 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/loops/bubble_sort-2.i-witness.graphml [2020-12-22 04:17:16,002 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 04:17:16,006 INFO L168 Benchmark]: Toolchain (without parser) took 4095.50 ms. Allocated memory is still 160.4 MB. Free memory was 134.3 MB in the beginning and 63.8 MB in the end (delta: 70.5 MB). Peak memory consumption was 71.5 MB. Max. memory is 8.0 GB. [2020-12-22 04:17:16,008 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 160.4 MB. Free memory is still 134.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 04:17:16,013 INFO L168 Benchmark]: CACSL2BoogieTranslator took 602.09 ms. Allocated memory is still 160.4 MB. Free memory was 134.1 MB in the beginning and 115.2 MB in the end (delta: 18.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. [2020-12-22 04:17:16,014 INFO L168 Benchmark]: Boogie Procedure Inliner took 133.83 ms. Allocated memory is still 160.4 MB. Free memory was 115.0 MB in the beginning and 140.8 MB in the end (delta: -25.9 MB). Peak memory consumption was 10.7 MB. Max. memory is 8.0 GB. [2020-12-22 04:17:16,015 INFO L168 Benchmark]: Boogie Preprocessor took 96.91 ms. Allocated memory is still 160.4 MB. Free memory was 140.8 MB in the beginning and 135.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-12-22 04:17:16,016 INFO L168 Benchmark]: RCFGBuilder took 1541.41 ms. Allocated memory is still 160.4 MB. Free memory was 135.6 MB in the beginning and 135.1 MB in the end (delta: 522.2 kB). Peak memory consumption was 89.1 MB. Max. memory is 8.0 GB. [2020-12-22 04:17:16,016 INFO L168 Benchmark]: TraceAbstraction took 1539.81 ms. Allocated memory is still 160.4 MB. Free memory was 134.5 MB in the beginning and 70.6 MB in the end (delta: 64.0 MB). Peak memory consumption was 64.0 MB. Max. memory is 8.0 GB. [2020-12-22 04:17:16,017 INFO L168 Benchmark]: Witness Printer took 169.97 ms. Allocated memory is still 160.4 MB. Free memory was 70.6 MB in the beginning and 63.8 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2020-12-22 04:17:16,019 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 160.4 MB. Free memory is still 134.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 602.09 ms. Allocated memory is still 160.4 MB. Free memory was 134.1 MB in the beginning and 115.2 MB in the end (delta: 18.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 133.83 ms. Allocated memory is still 160.4 MB. Free memory was 115.0 MB in the beginning and 140.8 MB in the end (delta: -25.9 MB). Peak memory consumption was 10.7 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 96.91 ms. Allocated memory is still 160.4 MB. Free memory was 140.8 MB in the beginning and 135.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1541.41 ms. Allocated memory is still 160.4 MB. Free memory was 135.6 MB in the beginning and 135.1 MB in the end (delta: 522.2 kB). Peak memory consumption was 89.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1539.81 ms. Allocated memory is still 160.4 MB. Free memory was 134.5 MB in the beginning and 70.6 MB in the end (delta: 64.0 MB). Peak memory consumption was 64.0 MB. Max. memory is 8.0 GB. * Witness Printer took 169.97 ms. Allocated memory is still 160.4 MB. Free memory was 70.6 MB in the beginning and 63.8 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 46]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L52] struct list_head gl_list = {& gl_list, & gl_list}; VAL [gl_list={3:0}] [L835] struct list_head const *__cil_tmp1 ; [L836] struct list_head const *__cil_tmp2 ; [L676] int tmp ; [L677] int tmp___0 ; VAL [gl_list={3:0}] [L680] COND TRUE 1 VAL [gl_list={3:0}] [L683] tmp = __VERIFIER_nondet_int() [L622] struct node *node ; [L623] void *tmp ; [L624] unsigned int __cil_tmp4 ; [L625] unsigned int __cil_tmp5 ; [L626] unsigned int __cil_tmp6 ; [L627] struct list_head *__cil_tmp7 ; [L628] unsigned int __cil_tmp8 ; [L629] unsigned int __cil_tmp9 ; [L630] unsigned int __cil_tmp10 ; [L631] unsigned int __cil_tmp11 ; [L632] unsigned int __cil_tmp12 ; [L633] unsigned int __cil_tmp13 ; [L634] unsigned int __cil_tmp14 ; [L635] unsigned int __cil_tmp15 ; [L638] __cil_tmp4 = (unsigned int )20UL [L639] tmp = malloc(__cil_tmp4) [L640] node = (struct node *)tmp VAL [gl_list={3:0}] [L642] COND FALSE !(! node) VAL [gl_list={3:0}] [L649] *((int *)node) = value [L650] __cil_tmp5 = (unsigned int )node [L651] __cil_tmp6 = __cil_tmp5 + 4 [L652] __cil_tmp7 = (struct list_head *)__cil_tmp6 [L595] struct list_head *__cil_tmp3 ; [L598] EXPR \read(*head) [L598] __cil_tmp3 = *((struct list_head **)head) [L567] unsigned int __cil_tmp4 ; [L568] unsigned int __cil_tmp5 ; [L569] unsigned int __cil_tmp6 ; [L570] unsigned int __cil_tmp7 ; [L572] __cil_tmp4 = (unsigned int )next [L573] __cil_tmp5 = __cil_tmp4 + 4 [L574] *((struct list_head **)__cil_tmp5) = new [L575] *((struct list_head **)new) = next [L576] __cil_tmp6 = (unsigned int )new [L577] __cil_tmp7 = __cil_tmp6 + 4 [L578] *((struct list_head **)__cil_tmp7) = prev [L579] *((struct list_head **)prev) = new VAL [gl_list={3:0}] [L656] COND TRUE 1 VAL [gl_list={3:0}] [L658] __cil_tmp8 = (unsigned int )node [L659] __cil_tmp9 = __cil_tmp8 + 12 [L660] __cil_tmp10 = (unsigned int )node [L661] __cil_tmp11 = __cil_tmp10 + 12 [L662] *((struct list_head **)__cil_tmp9) = (struct list_head *)__cil_tmp11 [L663] __cil_tmp12 = (unsigned int )node [L664] __cil_tmp13 = __cil_tmp12 + 12 [L665] __cil_tmp14 = (unsigned int )node [L666] __cil_tmp15 = __cil_tmp14 + 12 [L667] *((struct list_head **)__cil_tmp13) = (struct list_head *)__cil_tmp15 VAL [gl_list={3:0}] [L685] tmp___0 = __VERIFIER_nondet_int() [L687] COND FALSE !(\read(tmp___0)) VAL [gl_list={3:0}] [L840] __cil_tmp1 = (struct list_head const *)(& gl_list) [L55] struct node const *node ; [L56] unsigned int __cil_tmp3 ; [L57] struct list_head *__cil_tmp4 ; [L58] unsigned int __cil_tmp5 ; [L59] int __cil_tmp6 ; [L60] unsigned int __cil_tmp7 ; [L61] unsigned int __cil_tmp8 ; [L62] unsigned int __cil_tmp9 ; [L63] struct list_head *__cil_tmp10 ; [L64] unsigned int __cil_tmp11 ; [L65] int __cil_tmp12 ; [L66] unsigned int __cil_tmp13 ; [L67] unsigned int __cil_tmp14 ; [L68] struct list_head *__cil_tmp15 ; [L69] unsigned int __cil_tmp16 ; [L70] struct list_head *__cil_tmp17 ; [L71] unsigned int __cil_tmp18 ; [L72] int __cil_tmp19 ; [L73] unsigned int __cil_tmp20 ; [L74] unsigned int __cil_tmp21 ; [L75] unsigned int __cil_tmp22 ; [L76] struct list_head *__cil_tmp23 ; [L77] unsigned int __cil_tmp24 ; [L78] int __cil_tmp25 ; [L79] struct node *__cil_tmp26 ; [L80] unsigned int __cil_tmp27 ; [L81] unsigned int __cil_tmp28 ; [L82] struct list_head *__cil_tmp29 ; [L83] unsigned long __cil_tmp30 ; [L84] char *__cil_tmp31 ; [L85] char *__cil_tmp32 ; [L86] struct node *__cil_tmp33 ; [L87] unsigned int __cil_tmp34 ; [L88] unsigned int __cil_tmp35 ; [L89] struct list_head const *__cil_tmp36 ; [L90] unsigned int __cil_tmp37 ; [L91] unsigned int __cil_tmp38 ; [L92] unsigned int __cil_tmp39 ; [L93] struct list_head *__cil_tmp40 ; [L94] unsigned int __cil_tmp41 ; [L95] int __cil_tmp42 ; [L96] unsigned int __cil_tmp43 ; [L97] unsigned int __cil_tmp44 ; [L98] struct list_head const *__cil_tmp45 ; [L99] unsigned int __cil_tmp46 ; [L100] unsigned int __cil_tmp47 ; [L101] unsigned int __cil_tmp48 ; [L102] unsigned int __cil_tmp49 ; [L103] struct list_head *__cil_tmp50 ; [L104] unsigned int __cil_tmp51 ; [L105] int __cil_tmp52 ; [L106] unsigned int __cil_tmp53 ; [L107] unsigned int __cil_tmp54 ; [L108] struct list_head const *__cil_tmp55 ; [L109] unsigned int __cil_tmp56 ; [L110] unsigned int __cil_tmp57 ; [L111] unsigned int __cil_tmp58 ; [L112] struct list_head *__cil_tmp59 ; [L113] unsigned int __cil_tmp60 ; [L114] int __cil_tmp61 ; [L115] unsigned int __cil_tmp62 ; [L116] unsigned int __cil_tmp63 ; [L117] struct list_head const *__cil_tmp64 ; [L118] unsigned int __cil_tmp65 ; [L119] unsigned int __cil_tmp66 ; [L120] unsigned int __cil_tmp67 ; [L121] unsigned int __cil_tmp68 ; [L122] struct list_head *__cil_tmp69 ; [L123] unsigned int __cil_tmp70 ; [L124] int __cil_tmp71 ; [L125] struct node const *__cil_tmp72 ; [L126] unsigned int __cil_tmp73 ; [L127] unsigned int __cil_tmp74 ; [L128] int __cil_tmp75 ; [L129] unsigned int __cil_tmp76 ; [L130] unsigned int __cil_tmp77 ; [L131] struct list_head const *__cil_tmp78 ; [L132] struct node const *__cil_tmp79 ; [L133] unsigned int __cil_tmp80 ; [L134] unsigned int __cil_tmp81 ; [L135] int __cil_tmp82 ; [L136] int const *__cil_tmp83 ; [L137] struct node const *__cil_tmp84 ; [L138] unsigned int __cil_tmp85 ; [L139] unsigned int __cil_tmp86 ; [L140] int __cil_tmp87 ; [L141] unsigned int __cil_tmp88 ; [L142] unsigned int __cil_tmp89 ; [L143] struct list_head *__cil_tmp90 ; [L144] unsigned int __cil_tmp91 ; [L145] unsigned int __cil_tmp92 ; [L146] struct list_head *__cil_tmp93 ; [L147] unsigned int __cil_tmp94 ; [L148] unsigned int __cil_tmp95 ; [L149] int __cil_tmp96 ; [L150] unsigned int __cil_tmp97 ; [L151] unsigned int __cil_tmp98 ; [L152] unsigned int __cil_tmp99 ; [L153] struct list_head *__cil_tmp100 ; [L154] struct list_head *__cil_tmp101 ; [L155] unsigned int __cil_tmp102 ; [L156] unsigned int __cil_tmp103 ; [L157] int __cil_tmp104 ; [L158] struct list_head *__cil_tmp105 ; [L159] unsigned int __cil_tmp106 ; [L160] unsigned int __cil_tmp107 ; [L161] unsigned int __cil_tmp108 ; [L162] struct list_head const *__cil_tmp109 ; [L163] unsigned int __cil_tmp110 ; [L164] struct list_head *__cil_tmp111 ; [L165] unsigned int __cil_tmp112 ; [L166] struct node *__cil_tmp113 ; [L167] unsigned int __cil_tmp114 ; [L168] unsigned int __cil_tmp115 ; [L169] struct list_head *__cil_tmp116 ; [L170] unsigned long __cil_tmp117 ; [L171] char *__cil_tmp118 ; [L172] char *__cil_tmp119 ; [L173] struct node *__cil_tmp120 ; [L174] unsigned int __cil_tmp121 ; [L175] int __cil_tmp122 ; VAL [gl_list={3:0}] [L179] COND TRUE 1 VAL [gl_list={3:0}] [L181] COND FALSE !(! head) VAL [gl_list={3:0}] [L192] COND TRUE 1 VAL [gl_list={3:0}] [L195] __cil_tmp3 = (unsigned int )head [L196] EXPR \read(*head) [L196] __cil_tmp4 = *((struct list_head * const *)head) [L197] __cil_tmp5 = (unsigned int )__cil_tmp4 [L198] __cil_tmp6 = __cil_tmp5 != __cil_tmp3 VAL [gl_list={3:0}] [L199] COND TRUE ! __cil_tmp6 [L46] reach_error() VAL [gl_list={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 213 locations, 34 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.3s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 411 SDtfs, 216 SDslu, 150 SDs, 0 SdLazy, 42 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=213occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 673 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...