java -Xss4m -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops/trex01_false-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-21 21:48:55,099 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-21 21:48:55,101 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-21 21:48:55,113 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-21 21:48:55,113 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-21 21:48:55,114 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-21 21:48:55,115 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-21 21:48:55,117 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-21 21:48:55,119 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-21 21:48:55,119 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-21 21:48:55,120 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-21 21:48:55,121 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-21 21:48:55,121 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-21 21:48:55,122 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-21 21:48:55,123 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-21 21:48:55,124 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-21 21:48:55,124 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-21 21:48:55,129 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-21 21:48:55,131 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-21 21:48:55,134 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-21 21:48:55,135 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-21 21:48:55,136 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-21 21:48:55,138 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-21 21:48:55,139 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-21 21:48:55,139 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-21 21:48:55,140 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-21 21:48:55,141 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-21 21:48:55,141 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-21 21:48:55,142 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-21 21:48:55,143 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-21 21:48:55,143 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-21 21:48:55,144 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-21 21:48:55,144 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-21 21:48:55,144 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-21 21:48:55,145 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-21 21:48:55,146 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-21 21:48:55,146 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-07-21 21:48:55,162 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-21 21:48:55,162 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-21 21:48:55,163 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-21 21:48:55,163 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-07-21 21:48:55,164 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-07-21 21:48:55,164 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-07-21 21:48:55,164 INFO L133 SettingsManager]: * Use SBE=true [2018-07-21 21:48:55,165 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-21 21:48:55,165 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-21 21:48:55,165 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-21 21:48:55,165 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-21 21:48:55,165 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-21 21:48:55,166 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-21 21:48:55,166 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-21 21:48:55,166 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-21 21:48:55,167 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-21 21:48:55,167 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-21 21:48:55,167 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-21 21:48:55,167 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-21 21:48:55,167 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-21 21:48:55,168 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-21 21:48:55,168 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-21 21:48:55,168 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-21 21:48:55,168 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-21 21:48:55,169 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-07-21 21:48:55,169 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-21 21:48:55,169 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-21 21:48:55,169 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-21 21:48:55,169 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-21 21:48:55,225 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-21 21:48:55,241 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-21 21:48:55,244 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-21 21:48:55,246 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-21 21:48:55,246 INFO L276 PluginConnector]: CDTParser initialized [2018-07-21 21:48:55,247 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/trex01_false-unreach-call_true-termination.i [2018-07-21 21:48:55,587 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/dfec06ca5/4f439a5a4cce44f591354242c95d5ed6/FLAG90ea30088 [2018-07-21 21:48:55,765 INFO L276 CDTParser]: Found 1 translation units. [2018-07-21 21:48:55,766 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/loops/trex01_false-unreach-call_true-termination.i [2018-07-21 21:48:55,771 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/dfec06ca5/4f439a5a4cce44f591354242c95d5ed6/FLAG90ea30088 [2018-07-21 21:48:55,784 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/dfec06ca5/4f439a5a4cce44f591354242c95d5ed6 [2018-07-21 21:48:55,793 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-21 21:48:55,800 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-21 21:48:55,801 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-21 21:48:55,801 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-21 21:48:55,810 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-21 21:48:55,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 09:48:55" (1/1) ... [2018-07-21 21:48:55,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@690e9663 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:48:55, skipping insertion in model container [2018-07-21 21:48:55,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 09:48:55" (1/1) ... [2018-07-21 21:48:56,010 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-21 21:48:56,057 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 21:48:56,074 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-21 21:48:56,086 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 21:48:56,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:48:56 WrapperNode [2018-07-21 21:48:56,102 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-21 21:48:56,103 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-21 21:48:56,103 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-21 21:48:56,103 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-21 21:48:56,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:48:56" (1/1) ... [2018-07-21 21:48:56,119 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:48:56" (1/1) ... [2018-07-21 21:48:56,138 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-21 21:48:56,140 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-21 21:48:56,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-21 21:48:56,140 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-21 21:48:56,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:48:56" (1/1) ... [2018-07-21 21:48:56,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:48:56" (1/1) ... [2018-07-21 21:48:56,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:48:56" (1/1) ... [2018-07-21 21:48:56,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:48:56" (1/1) ... [2018-07-21 21:48:56,156 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:48:56" (1/1) ... [2018-07-21 21:48:56,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:48:56" (1/1) ... [2018-07-21 21:48:56,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:48:56" (1/1) ... [2018-07-21 21:48:56,171 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-21 21:48:56,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-21 21:48:56,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-21 21:48:56,172 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-21 21:48:56,173 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:48:56" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-21 21:48:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_loops_trex___false_unreach_call_true_termination_i__f [2018-07-21 21:48:56,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_loops_trex___false_unreach_call_true_termination_i__f [2018-07-21 21:48:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-21 21:48:56,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-21 21:48:56,715 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-21 21:48:56,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 09:48:56 BoogieIcfgContainer [2018-07-21 21:48:56,715 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-21 21:48:56,716 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-21 21:48:56,716 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-21 21:48:56,719 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-21 21:48:56,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 09:48:55" (1/3) ... [2018-07-21 21:48:56,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f825deb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 09:48:56, skipping insertion in model container [2018-07-21 21:48:56,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:48:56" (2/3) ... [2018-07-21 21:48:56,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f825deb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 09:48:56, skipping insertion in model container [2018-07-21 21:48:56,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 09:48:56" (3/3) ... [2018-07-21 21:48:56,723 INFO L112 eAbstractionObserver]: Analyzing ICFG trex01_false-unreach-call_true-termination.i [2018-07-21 21:48:56,731 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-21 21:48:56,737 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-21 21:48:56,789 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-21 21:48:56,790 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-21 21:48:56,790 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-21 21:48:56,790 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-21 21:48:56,791 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-21 21:48:56,793 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-21 21:48:56,793 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-21 21:48:56,793 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-21 21:48:56,793 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-21 21:48:56,811 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2018-07-21 21:48:56,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-07-21 21:48:56,818 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 21:48:56,823 INFO L358 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 21:48:56,823 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_loops_trex___false_unreach_call_true_termination_i__fErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 21:48:56,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1944289557, now seen corresponding path program 1 times [2018-07-21 21:48:56,831 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-21 21:48:56,831 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-21 21:48:56,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 21:48:56,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 21:48:56,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 21:48:56,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 21:48:56,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 21:48:56,962 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 21:48:56,962 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-21 21:48:56,965 INFO L450 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-07-21 21:48:56,980 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-07-21 21:48:56,981 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-07-21 21:48:56,985 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 2 states. [2018-07-21 21:48:57,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 21:48:57,006 INFO L93 Difference]: Finished difference Result 39 states and 51 transitions. [2018-07-21 21:48:57,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-07-21 21:48:57,007 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-07-21 21:48:57,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 21:48:57,019 INFO L225 Difference]: With dead ends: 39 [2018-07-21 21:48:57,019 INFO L226 Difference]: Without dead ends: 13 [2018-07-21 21:48:57,023 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-07-21 21:48:57,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2018-07-21 21:48:57,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-07-21 21:48:57,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-07-21 21:48:57,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-07-21 21:48:57,056 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 10 [2018-07-21 21:48:57,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 21:48:57,056 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2018-07-21 21:48:57,056 INFO L472 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-07-21 21:48:57,056 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-07-21 21:48:57,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-07-21 21:48:57,057 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 21:48:57,057 INFO L358 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 21:48:57,058 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_loops_trex___false_unreach_call_true_termination_i__fErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 21:48:57,059 INFO L82 PathProgramCache]: Analyzing trace with hash 135864287, now seen corresponding path program 1 times [2018-07-21 21:48:57,059 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-21 21:48:57,059 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-21 21:48:57,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 21:48:57,060 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 21:48:57,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 21:48:57,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-07-21 21:48:57,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-07-21 21:48:57,104 INFO L424 BasicCegarLoop]: Counterexample might be feasible [2018-07-21 21:48:57,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 09:48:57 BoogieIcfgContainer [2018-07-21 21:48:57,123 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-21 21:48:57,124 INFO L168 Benchmark]: Toolchain (without parser) took 1329.78 ms. Allocated memory was 303.6 MB in the beginning and 456.7 MB in the end (delta: 153.1 MB). Free memory was 250.2 MB in the beginning and 404.5 MB in the end (delta: -154.3 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-07-21 21:48:57,126 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 303.6 MB. Free memory is still 269.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-21 21:48:57,126 INFO L168 Benchmark]: CACSL2BoogieTranslator took 301.10 ms. Allocated memory is still 303.6 MB. Free memory was 249.2 MB in the beginning and 240.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 5.3 GB. [2018-07-21 21:48:57,127 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.47 ms. Allocated memory is still 303.6 MB. Free memory was 240.0 MB in the beginning and 238.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-07-21 21:48:57,128 INFO L168 Benchmark]: Boogie Preprocessor took 31.84 ms. Allocated memory is still 303.6 MB. Free memory was 238.0 MB in the beginning and 237.0 MB in the end (delta: 996.2 kB). Peak memory consumption was 996.2 kB. Max. memory is 5.3 GB. [2018-07-21 21:48:57,129 INFO L168 Benchmark]: RCFGBuilder took 543.57 ms. Allocated memory was 303.6 MB in the beginning and 456.7 MB in the end (delta: 153.1 MB). Free memory was 237.0 MB in the beginning and 425.5 MB in the end (delta: -188.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 5.3 GB. [2018-07-21 21:48:57,129 INFO L168 Benchmark]: TraceAbstraction took 406.81 ms. Allocated memory is still 456.7 MB. Free memory was 424.2 MB in the beginning and 404.5 MB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 5.3 GB. [2018-07-21 21:48:57,133 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 303.6 MB. Free memory is still 269.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 301.10 ms. Allocated memory is still 303.6 MB. Free memory was 249.2 MB in the beginning and 240.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 35.47 ms. Allocated memory is still 303.6 MB. Free memory was 240.0 MB in the beginning and 238.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 31.84 ms. Allocated memory is still 303.6 MB. Free memory was 238.0 MB in the beginning and 237.0 MB in the end (delta: 996.2 kB). Peak memory consumption was 996.2 kB. Max. memory is 5.3 GB. * RCFGBuilder took 543.57 ms. Allocated memory was 303.6 MB in the beginning and 456.7 MB in the end (delta: 153.1 MB). Free memory was 237.0 MB in the beginning and 425.5 MB in the end (delta: -188.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 5.3 GB. * TraceAbstraction took 406.81 ms. Allocated memory is still 456.7 MB. Free memory was 424.2 MB in the beginning and 404.5 MB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 4]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L31] _Bool c = __VERIFIER_nondet_bool(); [L32] COND TRUE \read(c) [L33] CALL f(1) [L11] int x = __VERIFIER_nondet_int(), y = __VERIFIER_nondet_int(), k = __VERIFIER_nondet_int(), z = 1; [L11] int x = __VERIFIER_nondet_int(), y = __VERIFIER_nondet_int(), k = __VERIFIER_nondet_int(), z = 1; [L11] int x = __VERIFIER_nondet_int(), y = __VERIFIER_nondet_int(), k = __VERIFIER_nondet_int(), z = 1; [L11] int x = __VERIFIER_nondet_int(), y = __VERIFIER_nondet_int(), k = __VERIFIER_nondet_int(), z = 1; [L12] COND FALSE !(!(k <= 1073741823)) [L15] COND FALSE !(z < k) [L16] CALL __VERIFIER_assert(z>=2) [L3] COND TRUE !(cond) [L4] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 24 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 29 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/trex01_false-unreach-call_true-termination.i_svcomp-Reach-64bit-Automizer_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-21_21-48-57-145.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/trex01_false-unreach-call_true-termination.i_svcomp-Reach-64bit-Automizer_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-21_21-48-57-145.csv Received shutdown request...