./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/ldv-regression/test30_false-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1c6f408b-371e-4eb3-a684-ce88d205289a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1c6f408b-371e-4eb3-a684-ce88d205289a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1c6f408b-371e-4eb3-a684-ce88d205289a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1c6f408b-371e-4eb3-a684-ce88d205289a/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-regression/test30_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1c6f408b-371e-4eb3-a684-ce88d205289a/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1c6f408b-371e-4eb3-a684-ce88d205289a/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 dbf4229fc71e086a20df7dc549a8cc43d35a83d5 ............................................................................................................................................................................................................................................................................. 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 0.1.23-5842f4b [2018-11-18 16:18:51,202 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:18:51,204 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:18:51,210 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:18:51,210 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:18:51,211 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:18:51,212 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:18:51,212 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:18:51,213 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:18:51,214 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:18:51,214 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:18:51,214 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:18:51,215 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:18:51,215 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:18:51,216 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:18:51,217 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:18:51,217 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:18:51,218 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:18:51,219 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:18:51,220 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:18:51,221 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:18:51,222 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:18:51,224 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:18:51,224 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:18:51,224 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:18:51,225 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:18:51,226 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:18:51,226 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:18:51,228 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:18:51,228 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:18:51,229 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:18:51,231 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:18:51,231 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:18:51,231 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:18:51,232 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:18:51,233 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:18:51,233 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1c6f408b-371e-4eb3-a684-ce88d205289a/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf [2018-11-18 16:18:51,243 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:18:51,243 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:18:51,244 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:18:51,244 INFO L133 SettingsManager]: * Process only entry and re-entry procedures=false [2018-11-18 16:18:51,245 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:18:51,245 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:18:51,245 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 16:18:51,245 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:18:51,245 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:18:51,245 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:18:51,246 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:18:51,246 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:18:51,246 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:18:51,246 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:18:51,246 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:18:51,246 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:18:51,246 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:18:51,246 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:18:51,247 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:18:51,248 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:18:51,248 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:18:51,249 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:18:51,249 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 16:18:51,249 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:18:51,249 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:18:51,249 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:18:51,249 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:18:51,249 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 16:18:51,249 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:18:51,250 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:18:51,250 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_1c6f408b-371e-4eb3-a684-ce88d205289a/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 -> dbf4229fc71e086a20df7dc549a8cc43d35a83d5 [2018-11-18 16:18:51,278 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:18:51,288 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:18:51,291 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:18:51,293 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:18:51,293 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:18:51,293 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1c6f408b-371e-4eb3-a684-ce88d205289a/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-regression/test30_false-unreach-call_true-termination.c [2018-11-18 16:18:51,352 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1c6f408b-371e-4eb3-a684-ce88d205289a/bin-2019/uautomizer/data/57cac6df0/1b86f58e4356455abb6d801641c2cabb/FLAGfc9e35de0 [2018-11-18 16:18:51,695 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:18:51,696 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1c6f408b-371e-4eb3-a684-ce88d205289a/sv-benchmarks/c/ldv-regression/test30_false-unreach-call_true-termination.c [2018-11-18 16:18:51,701 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1c6f408b-371e-4eb3-a684-ce88d205289a/bin-2019/uautomizer/data/57cac6df0/1b86f58e4356455abb6d801641c2cabb/FLAGfc9e35de0 [2018-11-18 16:18:51,714 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1c6f408b-371e-4eb3-a684-ce88d205289a/bin-2019/uautomizer/data/57cac6df0/1b86f58e4356455abb6d801641c2cabb [2018-11-18 16:18:51,717 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:18:51,718 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 16:18:51,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:18:51,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:18:51,722 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:18:51,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:18:51" (1/1) ... [2018-11-18 16:18:51,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@611583f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:18:51, skipping insertion in model container [2018-11-18 16:18:51,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:18:51" (1/1) ... [2018-11-18 16:18:51,735 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:18:51,752 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:18:51,891 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:18:51,901 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:18:51,912 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:18:51,925 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:18:51,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:18:51 WrapperNode [2018-11-18 16:18:51,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:18:51,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:18:51,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:18:51,926 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:18:51,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:18:51" (1/1) ... [2018-11-18 16:18:51,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:18:51" (1/1) ... [2018-11-18 16:18:51,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:18:51" (1/1) ... [2018-11-18 16:18:51,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:18:51" (1/1) ... [2018-11-18 16:18:51,948 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:18:51" (1/1) ... [2018-11-18 16:18:51,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:18:51" (1/1) ... [2018-11-18 16:18:51,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:18:51" (1/1) ... [2018-11-18 16:18:51,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:18:51,953 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:18:51,953 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:18:51,953 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:18:51,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:18:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1c6f408b-371e-4eb3-a684-ce88d205289a/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 [2018-11-18 16:18:52,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 16:18:52,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:18:52,067 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2018-11-18 16:18:52,067 INFO L138 BoogieDeclarations]: Found implementation of procedure assign2 [2018-11-18 16:18:52,067 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 16:18:52,067 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 16:18:52,067 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2018-11-18 16:18:52,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 16:18:52,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 16:18:52,068 INFO L130 BoogieDeclarations]: Found specification of procedure assign2 [2018-11-18 16:18:52,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 16:18:52,068 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 16:18:52,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 16:18:52,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:18:52,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 16:18:52,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 16:18:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:18:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 16:18:52,219 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:18:52,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:18:52 BoogieIcfgContainer [2018-11-18 16:18:52,220 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:18:52,220 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 16:18:52,220 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 16:18:52,223 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 16:18:52,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:18:51" (1/3) ... [2018-11-18 16:18:52,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@332c18da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:18:52, skipping insertion in model container [2018-11-18 16:18:52,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:18:51" (2/3) ... [2018-11-18 16:18:52,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@332c18da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:18:52, skipping insertion in model container [2018-11-18 16:18:52,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:18:52" (3/3) ... [2018-11-18 16:18:52,226 INFO L112 eAbstractionObserver]: Analyzing ICFG test30_false-unreach-call_true-termination.c [2018-11-18 16:18:52,234 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 16:18:52,239 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 16:18:52,253 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 16:18:52,278 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 16:18:52,278 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 16:18:52,278 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 16:18:52,278 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 16:18:52,279 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:18:52,279 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:18:52,279 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 16:18:52,279 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:18:52,279 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 16:18:52,293 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-11-18 16:18:52,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 16:18:52,298 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:18:52,299 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:18:52,301 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:18:52,305 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:18:52,306 INFO L82 PathProgramCache]: Analyzing trace with hash -457594768, now seen corresponding path program 1 times [2018-11-18 16:18:52,307 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:18:52,308 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:18:52,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:18:52,350 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:18:52,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:18:52,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:18:52,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:18:52,485 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 16:18:52,500 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~dummy?a~*INT?b~*INT# [2018-11-18 16:18:52,501 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 17 could not be translated for associated CType STRUCT~~dummy?a~*INT?b~*INT# [2018-11-18 16:18:52,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 04:18:52 BoogieIcfgContainer [2018-11-18 16:18:52,511 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 16:18:52,511 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:18:52,512 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:18:52,512 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:18:52,512 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:18:52" (3/4) ... [2018-11-18 16:18:52,514 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 16:18:52,517 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~dummy?a~*INT?b~*INT# [2018-11-18 16:18:52,518 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 17 could not be translated for associated CType STRUCT~~dummy?a~*INT?b~*INT# [2018-11-18 16:18:52,548 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1c6f408b-371e-4eb3-a684-ce88d205289a/bin-2019/uautomizer/witness.graphml [2018-11-18 16:18:52,548 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:18:52,549 INFO L168 Benchmark]: Toolchain (without parser) took 831.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 961.1 MB in the beginning and 1.1 GB in the end (delta: -98.4 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-11-18 16:18:52,552 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:18:52,552 INFO L168 Benchmark]: CACSL2BoogieTranslator took 206.53 ms. Allocated memory is still 1.0 GB. Free memory was 961.1 MB in the beginning and 949.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-11-18 16:18:52,553 INFO L168 Benchmark]: Boogie Preprocessor took 27.15 ms. Allocated memory is still 1.0 GB. Free memory was 949.1 MB in the beginning and 946.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:18:52,553 INFO L168 Benchmark]: RCFGBuilder took 266.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 946.4 MB in the beginning and 1.1 GB in the end (delta: -143.6 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-18 16:18:52,554 INFO L168 Benchmark]: TraceAbstraction took 290.77 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-18 16:18:52,554 INFO L168 Benchmark]: Witness Printer took 36.50 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: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-11-18 16:18:52,557 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 206.53 ms. Allocated memory is still 1.0 GB. Free memory was 961.1 MB in the beginning and 949.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.15 ms. Allocated memory is still 1.0 GB. Free memory was 949.1 MB in the beginning and 946.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 266.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 946.4 MB in the beginning and 1.1 GB in the end (delta: -143.6 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 290.77 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Witness Printer took 36.50 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: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~dummy?a~*INT?b~*INT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 17 could not be translated for associated CType STRUCT~~dummy?a~*INT?b~*INT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~dummy?a~*INT?b~*INT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 17 could not be translated for associated CType STRUCT~~dummy?a~*INT?b~*INT# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 31]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L3] FCALL int a = 1, b; [L5-L7] FCALL struct dummy { int *a, *b; } global = {&a, &b}; VAL [\old(a)=15, \old(a)=9, \old(b)=19, \old(b)=12, \old(global)=null, \old(global)=null, a={13:0}, b={14:0}, global={16:0}] [L21] struct dummy *pd = &global; VAL [a={13:0}, b={14:0}, global={16:0}, pd={16:0}] [L23] CALL assign2(&pd->a, &pd->b) VAL [a={13:0}, b={14:0}, global={16:0}, pa={16:0}, pb={16:4}] [L16] EXPR, FCALL \read(**pb) [L16] EXPR, FCALL \read(**pb) VAL [\read(**pb)={14:0}, \read(**pb)={14:0}, a={13:0}, b={14:0}, global={16:0}, pa={16:0}, pa={16:0}, pb={16:4}, pb={16:4}] [L16] CALL assign(*pb, *pb) VAL [a={13:0}, b={14:0}, global={16:0}, pa={14:0}, pb={14:0}] [L11] EXPR, FCALL \read(*pb) [L11] RET, FCALL *pa = *pb [L16] RET assign(*pb, *pb) VAL [\read(**pb)={14:0}, \read(**pb)={14:0}, a={13:0}, b={14:0}, global={16:0}, pa={16:0}, pa={16:0}, pb={16:4}, pb={16:4}] [L23] assign2(&pd->a, &pd->b) VAL [a={13:0}, b={14:0}, global={16:0}, pd={16:0}] [L25] EXPR, FCALL \read(a) [L25] EXPR, FCALL \read(b) VAL [\read(a)=1, \read(b)=0, a={13:0}, b={14:0}, global={16:0}, pd={16:0}] [L25] COND TRUE a != b [L31] __VERIFIER_error() VAL [a={13:0}, b={14:0}, global={16:0}, pd={16:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 23 locations, 1 error locations. UNSAFE Result, 0.2s 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=23occurred 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, 18 NumberOfCodeBlocks, 18 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...