./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/ldv-regression/test08_false-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_96cc26c2-f6b8-41b9-bab9-e41d727c27a0/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_96cc26c2-f6b8-41b9-bab9-e41d727c27a0/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_96cc26c2-f6b8-41b9-bab9-e41d727c27a0/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_96cc26c2-f6b8-41b9-bab9-e41d727c27a0/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-regression/test08_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_96cc26c2-f6b8-41b9-bab9-e41d727c27a0/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_96cc26c2-f6b8-41b9-bab9-e41d727c27a0/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 0ea43f38c40f327c4a0a1045134d36b3760cf289 ................................................................................................................................................................................................................................................................ 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 0.1.23-1dbac8b [2018-11-10 03:41:53,104 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 03:41:53,106 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 03:41:53,116 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 03:41:53,116 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 03:41:53,117 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 03:41:53,118 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 03:41:53,119 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 03:41:53,121 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 03:41:53,122 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 03:41:53,123 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 03:41:53,123 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 03:41:53,124 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 03:41:53,125 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 03:41:53,126 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 03:41:53,126 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 03:41:53,127 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 03:41:53,129 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 03:41:53,131 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 03:41:53,132 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 03:41:53,133 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 03:41:53,134 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 03:41:53,136 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 03:41:53,137 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 03:41:53,137 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 03:41:53,138 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 03:41:53,138 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 03:41:53,139 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 03:41:53,139 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 03:41:53,141 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 03:41:53,141 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 03:41:53,142 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 03:41:53,142 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 03:41:53,142 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 03:41:53,143 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 03:41:53,143 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 03:41:53,144 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_96cc26c2-f6b8-41b9-bab9-e41d727c27a0/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 03:41:53,155 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 03:41:53,155 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 03:41:53,156 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 03:41:53,156 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 03:41:53,157 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 03:41:53,157 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 03:41:53,157 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 03:41:53,157 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 03:41:53,157 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 03:41:53,157 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 03:41:53,158 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 03:41:53,158 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 03:41:53,158 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 03:41:53,158 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 03:41:53,158 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 03:41:53,158 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 03:41:53,158 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 03:41:53,159 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 03:41:53,159 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 03:41:53,159 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 03:41:53,159 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 03:41:53,159 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 03:41:53,159 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 03:41:53,160 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 03:41:53,160 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 03:41:53,160 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 03:41:53,160 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 03:41:53,160 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 03:41:53,160 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 03:41:53,160 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_96cc26c2-f6b8-41b9-bab9-e41d727c27a0/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 -> 0ea43f38c40f327c4a0a1045134d36b3760cf289 [2018-11-10 03:41:53,191 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 03:41:53,202 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 03:41:53,205 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 03:41:53,207 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 03:41:53,207 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 03:41:53,208 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_96cc26c2-f6b8-41b9-bab9-e41d727c27a0/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-regression/test08_false-unreach-call_true-termination.c [2018-11-10 03:41:53,258 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_96cc26c2-f6b8-41b9-bab9-e41d727c27a0/bin-2019/uautomizer/data/68c0850e4/8ad2f06a996e4b4283a95681180dcbec/FLAGb0bf32b49 [2018-11-10 03:41:53,613 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 03:41:53,614 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_96cc26c2-f6b8-41b9-bab9-e41d727c27a0/sv-benchmarks/c/ldv-regression/test08_false-unreach-call_true-termination.c [2018-11-10 03:41:53,620 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_96cc26c2-f6b8-41b9-bab9-e41d727c27a0/bin-2019/uautomizer/data/68c0850e4/8ad2f06a996e4b4283a95681180dcbec/FLAGb0bf32b49 [2018-11-10 03:41:53,633 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_96cc26c2-f6b8-41b9-bab9-e41d727c27a0/bin-2019/uautomizer/data/68c0850e4/8ad2f06a996e4b4283a95681180dcbec [2018-11-10 03:41:53,636 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 03:41:53,637 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 03:41:53,638 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 03:41:53,638 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 03:41:53,642 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 03:41:53,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:41:53" (1/1) ... [2018-11-10 03:41:53,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11661478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:41:53, skipping insertion in model container [2018-11-10 03:41:53,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:41:53" (1/1) ... [2018-11-10 03:41:53,655 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 03:41:53,674 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 03:41:53,821 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:41:53,831 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 03:41:53,846 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:41:53,859 INFO L193 MainTranslator]: Completed translation [2018-11-10 03:41:53,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:41:53 WrapperNode [2018-11-10 03:41:53,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 03:41:53,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 03:41:53,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 03:41:53,860 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 03:41:53,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:41:53" (1/1) ... [2018-11-10 03:41:53,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:41:53" (1/1) ... [2018-11-10 03:41:53,875 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:41:53" (1/1) ... [2018-11-10 03:41:53,875 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:41:53" (1/1) ... [2018-11-10 03:41:53,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:41:53" (1/1) ... [2018-11-10 03:41:53,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:41:53" (1/1) ... [2018-11-10 03:41:53,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:41:53" (1/1) ... [2018-11-10 03:41:53,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 03:41:53,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 03:41:53,882 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 03:41:53,882 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 03:41:53,883 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:41:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_96cc26c2-f6b8-41b9-bab9-e41d727c27a0/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 [2018-11-10 03:41:53,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 03:41:53,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 03:41:53,969 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-10 03:41:53,969 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 03:41:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 03:41:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-10 03:41:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 03:41:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 03:41:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 03:41:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 03:41:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 03:41:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-10 03:41:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 03:41:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 03:41:54,113 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 03:41:54,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:41:54 BoogieIcfgContainer [2018-11-10 03:41:54,113 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 03:41:54,114 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 03:41:54,114 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 03:41:54,117 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 03:41:54,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 03:41:53" (1/3) ... [2018-11-10 03:41:54,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4660c914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:41:54, skipping insertion in model container [2018-11-10 03:41:54,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:41:53" (2/3) ... [2018-11-10 03:41:54,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4660c914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:41:54, skipping insertion in model container [2018-11-10 03:41:54,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:41:54" (3/3) ... [2018-11-10 03:41:54,120 INFO L112 eAbstractionObserver]: Analyzing ICFG test08_false-unreach-call_true-termination.c [2018-11-10 03:41:54,130 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 03:41:54,137 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 03:41:54,147 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 03:41:54,167 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 03:41:54,167 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 03:41:54,168 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 03:41:54,168 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 03:41:54,168 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 03:41:54,168 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 03:41:54,168 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 03:41:54,168 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 03:41:54,168 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 03:41:54,184 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2018-11-10 03:41:54,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 03:41:54,189 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:41:54,189 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:41:54,191 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:41:54,195 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:41:54,195 INFO L82 PathProgramCache]: Analyzing trace with hash 1814747738, now seen corresponding path program 1 times [2018-11-10 03:41:54,196 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 03:41:54,198 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 03:41:54,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:41:54,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:41:54,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:41:54,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:41:54,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:41:54,365 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 03:41:54,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 03:41:54 BoogieIcfgContainer [2018-11-10 03:41:54,405 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 03:41:54,405 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 03:41:54,405 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 03:41:54,406 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 03:41:54,406 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:41:54" (3/4) ... [2018-11-10 03:41:54,407 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 03:41:54,450 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_96cc26c2-f6b8-41b9-bab9-e41d727c27a0/bin-2019/uautomizer/witness.graphml [2018-11-10 03:41:54,450 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 03:41:54,450 INFO L168 Benchmark]: Toolchain (without parser) took 813.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -154.8 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. [2018-11-10 03:41:54,451 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:41:54,452 INFO L168 Benchmark]: CACSL2BoogieTranslator took 221.77 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 03:41:54,452 INFO L168 Benchmark]: Boogie Preprocessor took 21.57 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 03:41:54,452 INFO L168 Benchmark]: RCFGBuilder took 231.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -196.0 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2018-11-10 03:41:54,453 INFO L168 Benchmark]: TraceAbstraction took 290.91 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: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2018-11-10 03:41:54,453 INFO L168 Benchmark]: Witness Printer took 44.47 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-10 03:41:54,456 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 221.77 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.57 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 231.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -196.0 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 290.91 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: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. * Witness Printer took 44.47 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 36]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L4] FCALL int a, b; VAL [\old(a)=6, \old(a)=11, \old(b)=9, \old(b)=15, \old(p1)=10, \old(p1)=16, \old(p2)=13, \old(p2)=7, a={17:0}, b={12:0}, p1={10:16}, p2={13:7}] [L5] int *p1, *p2; VAL [\old(a)=6, \old(a)=11, \old(b)=15, \old(b)=9, \old(p1)=10, \old(p1)=16, \old(p2)=13, \old(p2)=7, a={17:0}, b={12:0}, p1={0:0}, p2={0:0}] [L19] p1 = &a [L20] p2 = &b VAL [\old(p1)=0, \old(p1)=0, \old(p2)=0, \old(p2)=0, a={17:0}, b={12:0}, p1={17:0}, p2={12:0}] [L22] FCALL b = 1 VAL [\old(p1)=0, \old(p1)=0, \old(p2)=0, \old(p2)=0, a={17:0}, b={12:0}, p1={17:0}, p2={12:0}] [L23] FCALL a = 5 VAL [\old(p1)=0, \old(p1)=0, \old(p2)=0, \old(p2)=0, a={17:0}, b={12:0}, p1={17:0}, p2={12:0}] [L25] EXPR, FCALL \read(a) VAL [\old(p1)=0, \old(p1)=0, \old(p2)=0, \old(p2)=0, \read(a)=5, a={17:0}, b={12:0}, p1={17:0}, p2={12:0}] [L25] a-- VAL [\old(p1)=0, \old(p1)=0, \old(p2)=0, \old(p2)=0, \read(a)=5, a={17:0}, a--=5, b={12:0}, p1={17:0}, p2={12:0}] [L27] CALL, EXPR f() VAL [\old(p1)=0, \old(p1)=17, \old(p2)=0, \old(p2)=0, a={17:0}, b={12:0}, p1={17:0}, p2={12:0}] [L8] EXPR, FCALL \read(*p1) VAL [\old(p1)=0, \old(p1)=17, \old(p2)=0, \old(p2)=0, \read(*p1)=4, a={17:0}, b={12:0}, p1={17:0}, p2={12:0}] [L8] EXPR, FCALL \read(*p2) VAL [\old(p1)=0, \old(p1)=17, \old(p2)=0, \old(p2)=0, \read(*p1)=4, \read(*p2)=1, a={17:0}, b={12:0}, p1={17:0}, p2={12:0}] [L8] EXPR, FCALL \read(a) VAL [\old(p1)=17, \old(p1)=0, \old(p2)=0, \old(p2)=0, \read(*p1)=4, \read(*p2)=1, \read(a)=4, a={17:0}, b={12:0}, p1={17:0}, p2={12:0}] [L8] int v = *p1 + *p2 - a; [L9] COND TRUE v == 1 [L10] p1 = p2 [L11] RET return v; VAL [\old(p1)=0, \old(p1)=17, \old(p2)=0, \old(p2)=0, \result=1, a={17:0}, b={12:0}, p1={12:0}, p2={12:0}, v=1] [L27] EXPR f() VAL [\old(p1)=0, \old(p1)=0, \old(p2)=0, \old(p2)=0, a={17:0}, b={12:0}, f()=1, p1={12:0}, p2={12:0}] [L27] FCALL a = f() VAL [\old(p1)=0, \old(p1)=0, \old(p2)=0, \old(p2)=0, a={17:0}, b={12:0}, f()=1, p1={12:0}, p2={12:0}] [L29] EXPR, FCALL \read(a) VAL [\old(p1)=0, \old(p1)=0, \old(p2)=0, \old(p2)=0, \read(a)=1, a={17:0}, b={12:0}, p1={12:0}, p2={12:0}] [L29] COND TRUE a && p1 == p2 [L36] __VERIFIER_error() VAL [\old(p1)=0, \old(p1)=0, \old(p2)=0, \old(p2)=0, a={17:0}, b={12:0}, p1={12:0}, p2={12:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 36 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=36occurred 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, 31 NumberOfCodeBlocks, 31 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...