java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/structure_assignment.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:00:53,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:00:53,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:00:53,232 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:00:53,233 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:00:53,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:00:53,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:00:53,250 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:00:53,253 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:00:53,254 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:00:53,255 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:00:53,258 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:00:53,258 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:00:53,261 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:00:53,263 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:00:53,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:00:53,268 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:00:53,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:00:53,272 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:00:53,278 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:00:53,284 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:00:53,285 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:00:53,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:00:53,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:00:53,289 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:00:53,289 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:00:53,289 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:00:53,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:00:53,294 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:00:53,296 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:00:53,296 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:00:53,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:00:53,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:00:53,299 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:00:53,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:00:53,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:00:53,303 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:00:53,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:00:53,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:00:53,305 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:00:53,308 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:00:53,309 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 13:00:53,333 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:00:53,333 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:00:53,335 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:00:53,335 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:00:53,336 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:00:53,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:00:53,336 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:00:53,336 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:00:53,336 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:00:53,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:00:53,337 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:00:53,338 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:00:53,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:00:53,338 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:00:53,339 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:00:53,339 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:00:53,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:00:53,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:00:53,339 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:00:53,339 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:00:53,340 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:00:53,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:00:53,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:00:53,340 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:00:53,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:00:53,341 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:00:53,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:00:53,341 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:00:53,341 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:00:53,393 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:00:53,413 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:00:53,417 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:00:53,418 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:00:53,419 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:00:53,419 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/structure_assignment.i [2019-09-20 13:00:53,496 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58f144bda/fa6cf9aadefc42ce8f0cf8c6e6f8875f/FLAGe3b924eeb [2019-09-20 13:00:53,975 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:00:53,975 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/structure_assignment.i [2019-09-20 13:00:53,981 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58f144bda/fa6cf9aadefc42ce8f0cf8c6e6f8875f/FLAGe3b924eeb [2019-09-20 13:00:54,407 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58f144bda/fa6cf9aadefc42ce8f0cf8c6e6f8875f [2019-09-20 13:00:54,419 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:00:54,421 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:00:54,421 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:00:54,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:00:54,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:00:54,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:00:54" (1/1) ... [2019-09-20 13:00:54,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5492945c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:00:54, skipping insertion in model container [2019-09-20 13:00:54,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:00:54" (1/1) ... [2019-09-20 13:00:54,437 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:00:54,449 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:00:54,638 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:00:54,643 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:00:54,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:00:54,681 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:00:54,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:00:54 WrapperNode [2019-09-20 13:00:54,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:00:54,684 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:00:54,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:00:54,684 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:00:54,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:00:54" (1/1) ... [2019-09-20 13:00:54,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:00:54" (1/1) ... [2019-09-20 13:00:54,799 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:00:54" (1/1) ... [2019-09-20 13:00:54,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:00:54" (1/1) ... [2019-09-20 13:00:54,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:00:54" (1/1) ... [2019-09-20 13:00:54,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:00:54" (1/1) ... [2019-09-20 13:00:54,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:00:54" (1/1) ... [2019-09-20 13:00:54,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:00:54,812 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:00:54,812 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:00:54,812 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:00:54,813 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:00:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:00:54,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:00:54,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:00:54,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-09-20 13:00:54,877 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:00:54,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:00:54,877 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-09-20 13:00:54,877 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:00:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:00:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:00:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:00:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:00:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:00:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:00:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:00:55,072 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:00:55,073 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 13:00:55,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:00:55 BoogieIcfgContainer [2019-09-20 13:00:55,074 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:00:55,075 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:00:55,075 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:00:55,079 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:00:55,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:00:54" (1/3) ... [2019-09-20 13:00:55,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1abdffad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:00:55, skipping insertion in model container [2019-09-20 13:00:55,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:00:54" (2/3) ... [2019-09-20 13:00:55,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1abdffad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:00:55, skipping insertion in model container [2019-09-20 13:00:55,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:00:55" (3/3) ... [2019-09-20 13:00:55,082 INFO L109 eAbstractionObserver]: Analyzing ICFG structure_assignment.i [2019-09-20 13:00:55,090 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:00:55,096 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:00:55,113 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:00:55,139 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:00:55,140 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:00:55,140 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:00:55,140 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:00:55,141 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:00:55,141 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:00:55,141 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:00:55,141 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:00:55,141 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:00:55,155 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2019-09-20 13:00:55,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-09-20 13:00:55,160 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:00:55,160 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:00:55,162 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:00:55,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:00:55,167 INFO L82 PathProgramCache]: Analyzing trace with hash -1215743292, now seen corresponding path program 1 times [2019-09-20 13:00:55,168 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:00:55,169 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:00:55,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:55,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:00:55,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:55,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:00:55,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:00:55,342 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:00:55,342 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:00:55,346 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:00:55,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:00:55,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:00:55,366 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 3 states. [2019-09-20 13:00:55,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:00:55,399 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2019-09-20 13:00:55,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:00:55,401 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-09-20 13:00:55,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:00:55,427 INFO L225 Difference]: With dead ends: 22 [2019-09-20 13:00:55,427 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:00:55,438 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:00:55,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:00:55,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:00:55,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:00:55,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:00:55,483 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2019-09-20 13:00:55,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:00:55,483 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:00:55,483 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:00:55,484 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:00:55,484 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:00:55,489 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-20 13:00:55,530 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:00:55,531 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:00:55,531 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:00:55,531 INFO L443 ceAbstractionStarter]: For program point __blast_assertEXIT(lines 7 10) no Hoare annotation was computed. [2019-09-20 13:00:55,531 INFO L443 ceAbstractionStarter]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 9) no Hoare annotation was computed. [2019-09-20 13:00:55,532 INFO L443 ceAbstractionStarter]: For program point __blast_assertFINAL(lines 7 10) no Hoare annotation was computed. [2019-09-20 13:00:55,532 INFO L446 ceAbstractionStarter]: At program point __blast_assertENTRY(lines 7 10) the Hoare annotation is: true [2019-09-20 13:00:55,532 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:00:55,532 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-09-20 13:00:55,532 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:00:55,532 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:00:55,533 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 19 26) the Hoare annotation is: true [2019-09-20 13:00:55,533 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 19 26) no Hoare annotation was computed. [2019-09-20 13:00:55,533 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 19 26) no Hoare annotation was computed. [2019-09-20 13:00:55,533 INFO L443 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2019-09-20 13:00:55,533 INFO L439 ceAbstractionStarter]: At program point L24-2(line 24) the Hoare annotation is: false [2019-09-20 13:00:55,533 INFO L443 ceAbstractionStarter]: For program point L24-3(line 24) no Hoare annotation was computed. [2019-09-20 13:00:55,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:00:55 BoogieIcfgContainer [2019-09-20 13:00:55,536 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:00:55,539 INFO L168 Benchmark]: Toolchain (without parser) took 1117.63 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 87.8 MB in the beginning and 139.8 MB in the end (delta: -52.0 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:00:55,540 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 132.1 MB. Free memory is still 106.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:00:55,541 INFO L168 Benchmark]: CACSL2BoogieTranslator took 261.96 ms. Allocated memory is still 132.1 MB. Free memory was 87.8 MB in the beginning and 77.6 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:00:55,542 INFO L168 Benchmark]: Boogie Preprocessor took 127.68 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 77.6 MB in the beginning and 175.0 MB in the end (delta: -97.5 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:00:55,543 INFO L168 Benchmark]: RCFGBuilder took 262.46 ms. Allocated memory is still 199.2 MB. Free memory was 175.0 MB in the beginning and 162.2 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:00:55,544 INFO L168 Benchmark]: TraceAbstraction took 461.24 ms. Allocated memory is still 199.2 MB. Free memory was 162.2 MB in the beginning and 139.8 MB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:00:55,547 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 132.1 MB. Free memory is still 106.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 261.96 ms. Allocated memory is still 132.1 MB. Free memory was 87.8 MB in the beginning and 77.6 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.68 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 77.6 MB in the beginning and 175.0 MB in the end (delta: -97.5 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 262.46 ms. Allocated memory is still 199.2 MB. Free memory was 175.0 MB in the beginning and 162.2 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 461.24 ms. Allocated memory is still 199.2 MB. Free memory was 162.2 MB in the beginning and 139.8 MB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 9]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 locations, 1 error locations. SAFE Result, 0.4s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 10 SDtfs, 1 SDslu, 8 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 6 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 80 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 correct! Received shutdown request...