./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/callfpointer_true-termination.c_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8f7977ac-197e-44f5-bc4b-51c706fa9ae3/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8f7977ac-197e-44f5-bc4b-51c706fa9ae3/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8f7977ac-197e-44f5-bc4b-51c706fa9ae3/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8f7977ac-197e-44f5-bc4b-51c706fa9ae3/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-regression/callfpointer_true-termination.c_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_8f7977ac-197e-44f5-bc4b-51c706fa9ae3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8f7977ac-197e-44f5-bc4b-51c706fa9ae3/bin-2019/uautomizer --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 302f70b774fc5b69662b9ef8666b86017ea3a54d ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-aa41828 [2018-11-23 02:39:42,302 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 02:39:42,303 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 02:39:42,311 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 02:39:42,311 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 02:39:42,312 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 02:39:42,313 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 02:39:42,314 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 02:39:42,315 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 02:39:42,316 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 02:39:42,317 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 02:39:42,317 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 02:39:42,318 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 02:39:42,318 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 02:39:42,319 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 02:39:42,319 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 02:39:42,320 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 02:39:42,321 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 02:39:42,322 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 02:39:42,323 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 02:39:42,324 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 02:39:42,325 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 02:39:42,326 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 02:39:42,326 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 02:39:42,326 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 02:39:42,327 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 02:39:42,328 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 02:39:42,328 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 02:39:42,329 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 02:39:42,330 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 02:39:42,330 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 02:39:42,330 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 02:39:42,331 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 02:39:42,331 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 02:39:42,332 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 02:39:42,332 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 02:39:42,332 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8f7977ac-197e-44f5-bc4b-51c706fa9ae3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 02:39:42,340 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 02:39:42,340 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 02:39:42,341 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 02:39:42,341 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 02:39:42,341 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 02:39:42,341 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 02:39:42,342 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 02:39:42,342 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 02:39:42,342 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 02:39:42,342 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 02:39:42,342 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 02:39:42,342 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 02:39:42,342 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 02:39:42,343 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 02:39:42,343 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 02:39:42,343 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 02:39:42,343 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 02:39:42,343 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 02:39:42,343 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 02:39:42,343 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 02:39:42,344 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 02:39:42,344 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 02:39:42,344 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 02:39:42,344 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 02:39:42,344 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 02:39:42,344 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 02:39:42,344 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 02:39:42,345 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 02:39:42,345 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 02:39:42,345 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 02:39:42,345 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_8f7977ac-197e-44f5-bc4b-51c706fa9ae3/bin-2019/uautomizer 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 -> 302f70b774fc5b69662b9ef8666b86017ea3a54d [2018-11-23 02:39:42,369 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 02:39:42,378 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 02:39:42,381 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 02:39:42,382 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 02:39:42,382 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 02:39:42,383 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8f7977ac-197e-44f5-bc4b-51c706fa9ae3/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-regression/callfpointer_true-termination.c_false-unreach-call.i [2018-11-23 02:39:42,431 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8f7977ac-197e-44f5-bc4b-51c706fa9ae3/bin-2019/uautomizer/data/6dcae5763/e9f8b7d7c682420594080ad5e70b3a98/FLAGc4bab6c04 [2018-11-23 02:39:42,775 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 02:39:42,775 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8f7977ac-197e-44f5-bc4b-51c706fa9ae3/sv-benchmarks/c/ldv-regression/callfpointer_true-termination.c_false-unreach-call.i [2018-11-23 02:39:42,779 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8f7977ac-197e-44f5-bc4b-51c706fa9ae3/bin-2019/uautomizer/data/6dcae5763/e9f8b7d7c682420594080ad5e70b3a98/FLAGc4bab6c04 [2018-11-23 02:39:43,194 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8f7977ac-197e-44f5-bc4b-51c706fa9ae3/bin-2019/uautomizer/data/6dcae5763/e9f8b7d7c682420594080ad5e70b3a98 [2018-11-23 02:39:43,197 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 02:39:43,198 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 02:39:43,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 02:39:43,199 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 02:39:43,202 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 02:39:43,203 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:39:43" (1/1) ... [2018-11-23 02:39:43,205 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52fb40ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:43, skipping insertion in model container [2018-11-23 02:39:43,205 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:39:43" (1/1) ... [2018-11-23 02:39:43,212 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 02:39:43,224 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 02:39:43,337 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:39:43,340 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 02:39:43,348 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:39:43,357 INFO L195 MainTranslator]: Completed translation [2018-11-23 02:39:43,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:43 WrapperNode [2018-11-23 02:39:43,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 02:39:43,358 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 02:39:43,358 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 02:39:43,358 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 02:39:43,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:43" (1/1) ... [2018-11-23 02:39:43,367 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:43" (1/1) ... [2018-11-23 02:39:43,371 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 02:39:43,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 02:39:43,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 02:39:43,372 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 02:39:43,377 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:43" (1/1) ... [2018-11-23 02:39:43,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:43" (1/1) ... [2018-11-23 02:39:43,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:43" (1/1) ... [2018-11-23 02:39:43,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:43" (1/1) ... [2018-11-23 02:39:43,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:43" (1/1) ... [2018-11-23 02:39:43,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:43" (1/1) ... [2018-11-23 02:39:43,382 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:43" (1/1) ... [2018-11-23 02:39:43,383 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 02:39:43,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 02:39:43,383 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 02:39:43,383 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 02:39:43,384 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8f7977ac-197e-44f5-bc4b-51c706fa9ae3/bin-2019/uautomizer/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 [2018-11-23 02:39:43,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 02:39:43,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 02:39:43,464 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-23 02:39:43,464 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-23 02:39:43,464 INFO L130 BoogieDeclarations]: Found specification of procedure h [2018-11-23 02:39:43,464 INFO L138 BoogieDeclarations]: Found implementation of procedure h [2018-11-23 02:39:43,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 02:39:43,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 02:39:43,465 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 02:39:43,465 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 02:39:43,465 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2018-11-23 02:39:43,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2018-11-23 02:39:43,550 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 02:39:43,551 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 02:39:43,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:39:43 BoogieIcfgContainer [2018-11-23 02:39:43,551 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 02:39:43,552 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 02:39:43,552 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 02:39:43,555 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 02:39:43,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:39:43" (1/3) ... [2018-11-23 02:39:43,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@149bdff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:39:43, skipping insertion in model container [2018-11-23 02:39:43,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:39:43" (2/3) ... [2018-11-23 02:39:43,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@149bdff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:39:43, skipping insertion in model container [2018-11-23 02:39:43,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:39:43" (3/3) ... [2018-11-23 02:39:43,558 INFO L112 eAbstractionObserver]: Analyzing ICFG callfpointer_true-termination.c_false-unreach-call.i [2018-11-23 02:39:43,566 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 02:39:43,572 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 02:39:43,586 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 02:39:43,610 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 02:39:43,611 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 02:39:43,611 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 02:39:43,611 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 02:39:43,612 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 02:39:43,612 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 02:39:43,612 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 02:39:43,612 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 02:39:43,612 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 02:39:43,628 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2018-11-23 02:39:43,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 02:39:43,633 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:39:43,633 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:39:43,635 INFO L423 AbstractCegarLoop]: === Iteration 1 === [hErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:39:43,639 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:39:43,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1027422766, now seen corresponding path program 1 times [2018-11-23 02:39:43,640 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:39:43,640 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:39:43,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:39:43,676 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:39:43,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:39:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 02:39:43,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 02:39:43,717 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); [?] assume true; [?] RET #27#return; [?] CALL call #t~ret1 := main(); [?] CALL call f(#funAddr~h.base, #funAddr~h.offset); VAL [|f_#in~g.base|=(- 1), |f_#in~g.offset|=0] [?] ~g.base, ~g.offset := #in~g.base, #in~g.offset; VAL [f_~g.base=(- 1), f_~g.offset=0, |f_#in~g.base|=(- 1), |f_#in~g.offset|=0] [?] CALL call ##fun~int~TO~VOID(1, ~g.base, ~g.offset); VAL [|##fun~int~TO~VOID_#in~#fp.base|=(- 1), |##fun~int~TO~VOID_#in~#fp.offset|=0, |##fun~int~TO~VOID_#in~0|=1] [?] #~0 := #in~0; VAL [|##fun~int~TO~VOID_#in~#fp.base|=(- 1), |##fun~int~TO~VOID_#in~#fp.offset|=0, |##fun~int~TO~VOID_#in~0|=1, |##fun~int~TO~VOID_#~0|=1] [?] CALL call h(#~0); VAL [|h_#in~i|=1] [?] ~i := #in~i; VAL [h_~i=1, |h_#in~i|=1] [?] assume 1 == ~i; VAL [h_~i=1, |h_#in~i|=1] [?] assume !false; VAL [h_~i=1, |h_#in~i|=1] [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L20] CALL call f(#funAddr~h.base, #funAddr~h.offset); VAL [#in~g.base=-1, #in~g.offset=0] [L8-L10] ~g.base, ~g.offset := #in~g.base, #in~g.offset; VAL [#in~g.base=-1, #in~g.offset=0, ~g.base=-1, ~g.offset=0] [L9] CALL call ##fun~int~TO~VOID(1, ~g.base, ~g.offset); VAL [#in~#fp.base=-1, #in~#fp.offset=0, #in~0=1] [?] #~0 := #in~0; VAL [#in~#fp.base=-1, #in~#fp.offset=0, #in~0=1, #~0=1] [?] CALL call h(#~0); VAL [#in~i=1] [L12-L18] ~i := #in~i; VAL [#in~i=1, ~i=1] [L13-L17] assume 1 == ~i; VAL [#in~i=1, ~i=1] [L14] assert false; VAL [#in~i=1, ~i=1] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L20] CALL call f(#funAddr~h.base, #funAddr~h.offset); VAL [#in~g.base=-1, #in~g.offset=0] [L8-L10] ~g.base, ~g.offset := #in~g.base, #in~g.offset; VAL [#in~g.base=-1, #in~g.offset=0, ~g.base=-1, ~g.offset=0] [L9] CALL call ##fun~int~TO~VOID(1, ~g.base, ~g.offset); VAL [#in~#fp.base=-1, #in~#fp.offset=0, #in~0=1] [?] #~0 := #in~0; VAL [#in~#fp.base=-1, #in~#fp.offset=0, #in~0=1, #~0=1] [?] CALL call h(#~0); VAL [#in~i=1] [L12-L18] ~i := #in~i; VAL [#in~i=1, ~i=1] [L13-L17] assume 1 == ~i; VAL [#in~i=1, ~i=1] [L14] assert false; VAL [#in~i=1, ~i=1] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L20] CALL call f(#funAddr~h); VAL [#in~g!base=-1, #in~g!offset=0] [L8-L10] ~g := #in~g; VAL [#in~g!base=-1, #in~g!offset=0, ~g!base=-1, ~g!offset=0] [L9] CALL call ##fun~int~TO~VOID(1, ~g); VAL [#in~#fp!base=-1, #in~#fp!offset=0, #in~0=1] [?] #~0 := #in~0; VAL [#in~#fp!base=-1, #in~#fp!offset=0, #in~0=1, #~0=1] [?] CALL call h(#~0); VAL [#in~i=1] [L12-L18] ~i := #in~i; VAL [#in~i=1, ~i=1] [L13] COND TRUE 1 == ~i VAL [#in~i=1, ~i=1] [L14] assert false; VAL [#in~i=1, ~i=1] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L20] CALL call f(#funAddr~h); VAL [#in~g!base=-1, #in~g!offset=0] [L8-L10] ~g := #in~g; VAL [#in~g!base=-1, #in~g!offset=0, ~g!base=-1, ~g!offset=0] [L9] CALL call ##fun~int~TO~VOID(1, ~g); VAL [#in~#fp!base=-1, #in~#fp!offset=0, #in~0=1] [?] #~0 := #in~0; VAL [#in~#fp!base=-1, #in~#fp!offset=0, #in~0=1, #~0=1] [?] CALL call h(#~0); VAL [#in~i=1] [L12-L18] ~i := #in~i; VAL [#in~i=1, ~i=1] [L13] COND TRUE 1 == ~i VAL [#in~i=1, ~i=1] [L14] assert false; VAL [#in~i=1, ~i=1] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L20] CALL call f(#funAddr~h); VAL [#in~g!base=-1, #in~g!offset=0] [L8-L10] ~g := #in~g; VAL [#in~g!base=-1, #in~g!offset=0, ~g!base=-1, ~g!offset=0] [L9] CALL call ##fun~int~TO~VOID(1, ~g); VAL [#in~#fp!base=-1, #in~#fp!offset=0, #in~0=1] [?] #~0 := #in~0; VAL [#in~#fp!base=-1, #in~#fp!offset=0, #in~0=1, #~0=1] [?] CALL call h(#~0); VAL [#in~i=1] [L12-L18] ~i := #in~i; VAL [#in~i=1, ~i=1] [L13] COND TRUE 1 == ~i VAL [#in~i=1, ~i=1] [L14] assert false; VAL [#in~i=1, ~i=1] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L20] CALL call f(#funAddr~h); VAL [#in~g!base=-1, #in~g!offset=0] [L8-L10] ~g := #in~g; VAL [#in~g!base=-1, #in~g!offset=0, ~g!base=-1, ~g!offset=0] [L9] CALL call ##fun~int~TO~VOID(1, ~g); VAL [#in~#fp!base=-1, #in~#fp!offset=0, #in~0=1] [?] #~0 := #in~0; VAL [#in~#fp!base=-1, #in~#fp!offset=0, #in~0=1, #~0=1] [?] CALL call h(#~0); VAL [#in~i=1] [L12-L18] ~i := #in~i; VAL [#in~i=1, ~i=1] [L13] COND TRUE 1 == ~i VAL [#in~i=1, ~i=1] [L14] assert false; VAL [#in~i=1, ~i=1] [L20] CALL f(h) VAL [g={-1:0}] [L9] CALL g(1) [L13] COND TRUE i==1 VAL [\old(i)=1, i=1] [L14] __VERIFIER_error() VAL [\old(i)=1, i=1] ----- [2018-11-23 02:39:43,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:39:43 BoogieIcfgContainer [2018-11-23 02:39:43,738 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 02:39:43,738 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 02:39:43,738 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 02:39:43,738 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 02:39:43,739 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:39:43" (3/4) ... [2018-11-23 02:39:43,740 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); [?] assume true; [?] RET #27#return; [?] CALL call #t~ret1 := main(); [?] CALL call f(#funAddr~h.base, #funAddr~h.offset); VAL [|f_#in~g.base|=(- 1), |f_#in~g.offset|=0] [?] ~g.base, ~g.offset := #in~g.base, #in~g.offset; VAL [f_~g.base=(- 1), f_~g.offset=0, |f_#in~g.base|=(- 1), |f_#in~g.offset|=0] [?] CALL call ##fun~int~TO~VOID(1, ~g.base, ~g.offset); VAL [|##fun~int~TO~VOID_#in~#fp.base|=(- 1), |##fun~int~TO~VOID_#in~#fp.offset|=0, |##fun~int~TO~VOID_#in~0|=1] [?] #~0 := #in~0; VAL [|##fun~int~TO~VOID_#in~#fp.base|=(- 1), |##fun~int~TO~VOID_#in~#fp.offset|=0, |##fun~int~TO~VOID_#in~0|=1, |##fun~int~TO~VOID_#~0|=1] [?] CALL call h(#~0); VAL [|h_#in~i|=1] [?] ~i := #in~i; VAL [h_~i=1, |h_#in~i|=1] [?] assume 1 == ~i; VAL [h_~i=1, |h_#in~i|=1] [?] assume !false; VAL [h_~i=1, |h_#in~i|=1] [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L20] CALL call f(#funAddr~h.base, #funAddr~h.offset); VAL [#in~g.base=-1, #in~g.offset=0] [L8-L10] ~g.base, ~g.offset := #in~g.base, #in~g.offset; VAL [#in~g.base=-1, #in~g.offset=0, ~g.base=-1, ~g.offset=0] [L9] CALL call ##fun~int~TO~VOID(1, ~g.base, ~g.offset); VAL [#in~#fp.base=-1, #in~#fp.offset=0, #in~0=1] [?] #~0 := #in~0; VAL [#in~#fp.base=-1, #in~#fp.offset=0, #in~0=1, #~0=1] [?] CALL call h(#~0); VAL [#in~i=1] [L12-L18] ~i := #in~i; VAL [#in~i=1, ~i=1] [L13-L17] assume 1 == ~i; VAL [#in~i=1, ~i=1] [L14] assert false; VAL [#in~i=1, ~i=1] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L20] CALL call f(#funAddr~h.base, #funAddr~h.offset); VAL [#in~g.base=-1, #in~g.offset=0] [L8-L10] ~g.base, ~g.offset := #in~g.base, #in~g.offset; VAL [#in~g.base=-1, #in~g.offset=0, ~g.base=-1, ~g.offset=0] [L9] CALL call ##fun~int~TO~VOID(1, ~g.base, ~g.offset); VAL [#in~#fp.base=-1, #in~#fp.offset=0, #in~0=1] [?] #~0 := #in~0; VAL [#in~#fp.base=-1, #in~#fp.offset=0, #in~0=1, #~0=1] [?] CALL call h(#~0); VAL [#in~i=1] [L12-L18] ~i := #in~i; VAL [#in~i=1, ~i=1] [L13-L17] assume 1 == ~i; VAL [#in~i=1, ~i=1] [L14] assert false; VAL [#in~i=1, ~i=1] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L20] CALL call f(#funAddr~h); VAL [#in~g!base=-1, #in~g!offset=0] [L8-L10] ~g := #in~g; VAL [#in~g!base=-1, #in~g!offset=0, ~g!base=-1, ~g!offset=0] [L9] CALL call ##fun~int~TO~VOID(1, ~g); VAL [#in~#fp!base=-1, #in~#fp!offset=0, #in~0=1] [?] #~0 := #in~0; VAL [#in~#fp!base=-1, #in~#fp!offset=0, #in~0=1, #~0=1] [?] CALL call h(#~0); VAL [#in~i=1] [L12-L18] ~i := #in~i; VAL [#in~i=1, ~i=1] [L13] COND TRUE 1 == ~i VAL [#in~i=1, ~i=1] [L14] assert false; VAL [#in~i=1, ~i=1] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L20] CALL call f(#funAddr~h); VAL [#in~g!base=-1, #in~g!offset=0] [L8-L10] ~g := #in~g; VAL [#in~g!base=-1, #in~g!offset=0, ~g!base=-1, ~g!offset=0] [L9] CALL call ##fun~int~TO~VOID(1, ~g); VAL [#in~#fp!base=-1, #in~#fp!offset=0, #in~0=1] [?] #~0 := #in~0; VAL [#in~#fp!base=-1, #in~#fp!offset=0, #in~0=1, #~0=1] [?] CALL call h(#~0); VAL [#in~i=1] [L12-L18] ~i := #in~i; VAL [#in~i=1, ~i=1] [L13] COND TRUE 1 == ~i VAL [#in~i=1, ~i=1] [L14] assert false; VAL [#in~i=1, ~i=1] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L20] CALL call f(#funAddr~h); VAL [#in~g!base=-1, #in~g!offset=0] [L8-L10] ~g := #in~g; VAL [#in~g!base=-1, #in~g!offset=0, ~g!base=-1, ~g!offset=0] [L9] CALL call ##fun~int~TO~VOID(1, ~g); VAL [#in~#fp!base=-1, #in~#fp!offset=0, #in~0=1] [?] #~0 := #in~0; VAL [#in~#fp!base=-1, #in~#fp!offset=0, #in~0=1, #~0=1] [?] CALL call h(#~0); VAL [#in~i=1] [L12-L18] ~i := #in~i; VAL [#in~i=1, ~i=1] [L13] COND TRUE 1 == ~i VAL [#in~i=1, ~i=1] [L14] assert false; VAL [#in~i=1, ~i=1] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L20] CALL call f(#funAddr~h); VAL [#in~g!base=-1, #in~g!offset=0] [L8-L10] ~g := #in~g; VAL [#in~g!base=-1, #in~g!offset=0, ~g!base=-1, ~g!offset=0] [L9] CALL call ##fun~int~TO~VOID(1, ~g); VAL [#in~#fp!base=-1, #in~#fp!offset=0, #in~0=1] [?] #~0 := #in~0; VAL [#in~#fp!base=-1, #in~#fp!offset=0, #in~0=1, #~0=1] [?] CALL call h(#~0); VAL [#in~i=1] [L12-L18] ~i := #in~i; VAL [#in~i=1, ~i=1] [L13] COND TRUE 1 == ~i VAL [#in~i=1, ~i=1] [L14] assert false; VAL [#in~i=1, ~i=1] [L20] CALL f(h) VAL [g={-1:0}] [L9] CALL g(1) [L13] COND TRUE i==1 VAL [\old(i)=1, i=1] [L14] __VERIFIER_error() VAL [\old(i)=1, i=1] ----- [2018-11-23 02:39:43,769 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8f7977ac-197e-44f5-bc4b-51c706fa9ae3/bin-2019/uautomizer/witness.graphml [2018-11-23 02:39:43,770 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 02:39:43,770 INFO L168 Benchmark]: Toolchain (without parser) took 572.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 959.3 MB in the beginning and 1.1 GB in the end (delta: -167.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:39:43,771 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:39:43,772 INFO L168 Benchmark]: CACSL2BoogieTranslator took 158.71 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 02:39:43,772 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.59 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 02:39:43,773 INFO L168 Benchmark]: Boogie Preprocessor took 11.35 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:39:43,773 INFO L168 Benchmark]: RCFGBuilder took 168.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -200.4 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2018-11-23 02:39:43,774 INFO L168 Benchmark]: TraceAbstraction took 185.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-11-23 02:39:43,774 INFO L168 Benchmark]: Witness Printer took 31.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:39:43,777 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 158.71 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 13.59 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.35 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 168.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -200.4 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 185.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * Witness Printer took 31.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 14]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L20] CALL f(h) VAL [g={-1:0}] [L9] CALL g(1) [L13] COND TRUE i==1 VAL [\old(i)=1, i=1] [L14] __VERIFIER_error() VAL [\old(i)=1, i=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 24 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...