./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/ldv-regression/alt_test_true-termination.c_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/ldv-regression/alt_test_true-termination.c_false-unreach-call.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 28a1c96d0dcbab8e66df0b7e0c92c558fac63e78 ........................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 18:06:57,153 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:06:57,155 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:06:57,174 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:06:57,174 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:06:57,176 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:06:57,177 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:06:57,179 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:06:57,181 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:06:57,182 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:06:57,183 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:06:57,184 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:06:57,185 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:06:57,186 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:06:57,188 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:06:57,188 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:06:57,189 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:06:57,191 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:06:57,194 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:06:57,196 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:06:57,197 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:06:57,198 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:06:57,201 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:06:57,202 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:06:57,202 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:06:57,203 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:06:57,205 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:06:57,206 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:06:57,206 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:06:57,208 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:06:57,208 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:06:57,209 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:06:57,209 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:06:57,209 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:06:57,211 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:06:57,212 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:06:57,212 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:06:57,233 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:06:57,237 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:06:57,238 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:06:57,238 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:06:57,238 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:06:57,240 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:06:57,240 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:06:57,240 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:06:57,240 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:06:57,240 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:06:57,241 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:06:57,241 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:06:57,241 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:06:57,241 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:06:57,241 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:06:57,241 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:06:57,244 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:06:57,244 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:06:57,244 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:06:57,244 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:06:57,245 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:06:57,245 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:06:57,245 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:06:57,245 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:06:57,245 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:06:57,245 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:06:57,246 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:06:57,246 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:06:57,246 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:06:57,246 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:06:57,246 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 28a1c96d0dcbab8e66df0b7e0c92c558fac63e78 [2018-11-28 18:06:57,306 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:06:57,327 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:06:57,333 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:06:57,335 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:06:57,336 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:06:57,336 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-regression/alt_test_true-termination.c_false-unreach-call.i [2018-11-28 18:06:57,400 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1061817f9/4e5dc84cfc6c4c9fbcccd7655ad50fad/FLAGc0d940f0f [2018-11-28 18:06:58,010 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:06:58,011 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-regression/alt_test_true-termination.c_false-unreach-call.i [2018-11-28 18:06:58,031 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1061817f9/4e5dc84cfc6c4c9fbcccd7655ad50fad/FLAGc0d940f0f [2018-11-28 18:06:58,252 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1061817f9/4e5dc84cfc6c4c9fbcccd7655ad50fad [2018-11-28 18:06:58,257 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:06:58,258 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:06:58,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:06:58,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:06:58,269 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:06:58,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:06:58" (1/1) ... [2018-11-28 18:06:58,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f31aaa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:06:58, skipping insertion in model container [2018-11-28 18:06:58,276 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:06:58" (1/1) ... [2018-11-28 18:06:58,287 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:06:58,356 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:06:58,781 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:06:58,789 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:06:58,866 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:06:59,082 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:06:59,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:06:59 WrapperNode [2018-11-28 18:06:59,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:06:59,084 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:06:59,084 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:06:59,084 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:06:59,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:06:59" (1/1) ... [2018-11-28 18:06:59,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:06:59" (1/1) ... [2018-11-28 18:06:59,123 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:06:59,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:06:59,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:06:59,124 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:06:59,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:06:59" (1/1) ... [2018-11-28 18:06:59,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:06:59" (1/1) ... [2018-11-28 18:06:59,138 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:06:59" (1/1) ... [2018-11-28 18:06:59,139 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:06:59" (1/1) ... [2018-11-28 18:06:59,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:06:59" (1/1) ... [2018-11-28 18:06:59,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:06:59" (1/1) ... [2018-11-28 18:06:59,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:06:59" (1/1) ... [2018-11-28 18:06:59,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:06:59,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:06:59,153 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:06:59,153 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:06:59,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:06:59" (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 [2018-11-28 18:06:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:06:59,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:06:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 18:06:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:06:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:06:59,216 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:06:59,216 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2018-11-28 18:06:59,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2018-11-28 18:06:59,217 INFO L130 BoogieDeclarations]: Found specification of procedure l_malloc [2018-11-28 18:06:59,217 INFO L138 BoogieDeclarations]: Found implementation of procedure l_malloc [2018-11-28 18:06:59,217 INFO L130 BoogieDeclarations]: Found specification of procedure l_free [2018-11-28 18:06:59,217 INFO L138 BoogieDeclarations]: Found implementation of procedure l_free [2018-11-28 18:06:59,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:06:59,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:06:59,620 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:06:59,620 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-28 18:06:59,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:06:59 BoogieIcfgContainer [2018-11-28 18:06:59,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:06:59,622 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:06:59,622 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:06:59,626 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:06:59,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:06:58" (1/3) ... [2018-11-28 18:06:59,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6590f31e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:06:59, skipping insertion in model container [2018-11-28 18:06:59,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:06:59" (2/3) ... [2018-11-28 18:06:59,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6590f31e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:06:59, skipping insertion in model container [2018-11-28 18:06:59,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:06:59" (3/3) ... [2018-11-28 18:06:59,629 INFO L112 eAbstractionObserver]: Analyzing ICFG alt_test_true-termination.c_false-unreach-call.i [2018-11-28 18:06:59,640 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:06:59,649 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:06:59,666 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:06:59,699 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:06:59,700 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:06:59,700 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:06:59,700 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:06:59,700 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:06:59,701 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:06:59,701 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:06:59,701 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:06:59,701 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:06:59,719 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2018-11-28 18:06:59,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-28 18:06:59,726 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:06:59,727 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:06:59,730 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:06:59,736 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:06:59,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1044108918, now seen corresponding path program 1 times [2018-11-28 18:06:59,738 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:06:59,739 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:06:59,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:06:59,791 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:06:59,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:06:59,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:06:59,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:06:59,960 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:06:59,961 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:06:59,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:06:59,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:06:59,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:06:59,981 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 3 states. [2018-11-28 18:07:00,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:07:00,052 INFO L93 Difference]: Finished difference Result 55 states and 66 transitions. [2018-11-28 18:07:00,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:07:00,054 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-11-28 18:07:00,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:07:00,065 INFO L225 Difference]: With dead ends: 55 [2018-11-28 18:07:00,066 INFO L226 Difference]: Without dead ends: 33 [2018-11-28 18:07:00,069 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:07:00,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-11-28 18:07:00,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2018-11-28 18:07:00,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-11-28 18:07:00,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2018-11-28 18:07:00,116 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 19 [2018-11-28 18:07:00,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:07:00,118 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2018-11-28 18:07:00,118 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:07:00,118 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2018-11-28 18:07:00,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-28 18:07:00,121 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:07:00,121 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:07:00,121 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:07:00,122 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:07:00,123 INFO L82 PathProgramCache]: Analyzing trace with hash 1745173496, now seen corresponding path program 1 times [2018-11-28 18:07:00,123 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:07:00,123 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:07:00,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:07:00,128 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:07:00,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:07:00,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:07:00,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:07:00,206 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:07:00,206 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:07:00,208 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:07:00,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:07:00,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:07:00,212 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand 3 states. [2018-11-28 18:07:00,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:07:00,254 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions. [2018-11-28 18:07:00,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:07:00,255 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-11-28 18:07:00,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:07:00,257 INFO L225 Difference]: With dead ends: 42 [2018-11-28 18:07:00,257 INFO L226 Difference]: Without dead ends: 27 [2018-11-28 18:07:00,259 INFO L631 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 [2018-11-28 18:07:00,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-11-28 18:07:00,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-11-28 18:07:00,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-11-28 18:07:00,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2018-11-28 18:07:00,270 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 19 [2018-11-28 18:07:00,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:07:00,271 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2018-11-28 18:07:00,271 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:07:00,271 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2018-11-28 18:07:00,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-28 18:07:00,272 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:07:00,272 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:07:00,272 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:07:00,272 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:07:00,273 INFO L82 PathProgramCache]: Analyzing trace with hash 124895752, now seen corresponding path program 1 times [2018-11-28 18:07:00,273 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:07:00,273 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:07:00,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:07:00,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:07:00,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:07:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:07:00,559 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:07:00,560 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:07:00,560 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 18:07:00,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 18:07:00,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 18:07:00,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:07:00,561 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand 8 states. [2018-11-28 18:07:00,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:07:00,860 INFO L93 Difference]: Finished difference Result 40 states and 42 transitions. [2018-11-28 18:07:00,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:07:00,861 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2018-11-28 18:07:00,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:07:00,862 INFO L225 Difference]: With dead ends: 40 [2018-11-28 18:07:00,862 INFO L226 Difference]: Without dead ends: 27 [2018-11-28 18:07:00,863 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:07:00,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-11-28 18:07:00,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-11-28 18:07:00,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-11-28 18:07:00,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2018-11-28 18:07:00,870 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 25 [2018-11-28 18:07:00,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:07:00,870 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2018-11-28 18:07:00,871 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 18:07:00,871 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2018-11-28 18:07:00,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-28 18:07:00,872 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:07:00,873 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:07:00,873 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:07:00,873 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:07:00,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1592798083, now seen corresponding path program 1 times [2018-11-28 18:07:00,873 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:07:00,875 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:07:00,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:07:00,876 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:07:00,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:07:00,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 18:07:00,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 18:07:00,972 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 18:07:01,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:07:01 BoogieIcfgContainer [2018-11-28 18:07:01,011 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:07:01,012 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:07:01,012 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:07:01,012 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:07:01,013 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:06:59" (3/4) ... [2018-11-28 18:07:01,016 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 18:07:01,081 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:07:01,082 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:07:01,083 INFO L168 Benchmark]: Toolchain (without parser) took 2825.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 943.3 MB in the beginning and 1.0 GB in the end (delta: -73.6 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. [2018-11-28 18:07:01,085 INFO L168 Benchmark]: CDTParser took 0.63 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:07:01,085 INFO L168 Benchmark]: CACSL2BoogieTranslator took 823.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -152.6 MB). Peak memory consumption was 60.3 MB. Max. memory is 11.5 GB. [2018-11-28 18:07:01,086 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:07:01,087 INFO L168 Benchmark]: Boogie Preprocessor took 28.89 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:07:01,087 INFO L168 Benchmark]: RCFGBuilder took 468.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-11-28 18:07:01,088 INFO L168 Benchmark]: TraceAbstraction took 1389.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.2 MB). Peak memory consumption was 54.2 MB. Max. memory is 11.5 GB. [2018-11-28 18:07:01,088 INFO L168 Benchmark]: Witness Printer took 69.94 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:07:01,093 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 823.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -152.6 MB). Peak memory consumption was 60.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.89 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 468.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1389.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.2 MB). Peak memory consumption was 54.2 MB. Max. memory is 11.5 GB. * Witness Printer took 69.94 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1601]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1606] int globalState = 0; VAL [\old(globalState)=8, globalState=0] [L1612] CALL, EXPR l_malloc(sizeof(int)) VAL [\old(globalState)=0, \old(size)=4, globalState=0] [L1619] void *retVal = malloc(size); VAL [\old(globalState)=0, \old(size)=4, globalState=0, malloc(size)={7:0}, retVal={7:0}, size=4] [L1620] COND TRUE retVal != ((void *)0) [L1621] globalState=1 VAL [\old(globalState)=0, \old(size)=4, globalState=1, malloc(size)={7:0}, retVal={7:0}, size=4] [L1622] return retVal; VAL [\old(globalState)=0, \old(size)=4, \result={7:0}, globalState=1, malloc(size)={7:0}, retVal={7:0}, size=4] [L1612] RET, EXPR l_malloc(sizeof(int)) VAL [\old(argc)=11, \old(globalState)=0, argc=11, argv={9:6}, argv={9:6}, globalState=1, l_malloc(sizeof(int))={7:0}] [L1612] int *a = (int*) l_malloc(sizeof(int)); [L1613] CALL l_free(a) VAL [\old(globalState)=1, globalState=1, ptr={7:0}] [L1629] COND TRUE ptr!=((void *)0) VAL [\old(globalState)=1, globalState=1, ptr={7:0}, ptr={7:0}] [L1629] (globalState == 1) ? (0) : __blast_assert () VAL [\old(globalState)=1, globalState=1, ptr={7:0}, ptr={7:0}] [L1630] globalState = 0 [L1613] RET l_free(a) VAL [\old(argc)=11, \old(globalState)=0, a={7:0}, argc=11, argv={9:6}, argv={9:6}, globalState=0] [L1614] CALL l_free(a) VAL [\old(globalState)=0, globalState=0, ptr={7:0}] [L1629] COND TRUE ptr!=((void *)0) VAL [\old(globalState)=0, globalState=0, ptr={7:0}, ptr={7:0}] [L1629] (globalState == 1) ? (0) : __blast_assert () VAL [\old(globalState)=0, globalState=0, ptr={7:0}, ptr={7:0}] [L1629] CALL __blast_assert () VAL [\old(globalState)=0, globalState=0] [L1601] __VERIFIER_error() VAL [\old(globalState)=0, globalState=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 31 locations, 1 error locations. UNSAFE Result, 1.3s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 72 SDtfs, 15 SDslu, 143 SDs, 0 SdLazy, 51 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 2190 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...