java -ea -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline_WitnessPrinter.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-regression/test28_true-unreach-call_true-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-61f4311 [2018-11-23 11:08:03,099 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 11:08:03,107 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 11:08:03,125 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 11:08:03,125 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 11:08:03,126 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 11:08:03,128 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 11:08:03,130 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 11:08:03,131 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 11:08:03,133 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 11:08:03,134 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 11:08:03,134 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 11:08:03,135 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 11:08:03,139 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 11:08:03,140 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 11:08:03,142 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 11:08:03,143 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 11:08:03,147 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 11:08:03,155 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 11:08:03,156 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 11:08:03,163 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 11:08:03,165 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 11:08:03,168 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 11:08:03,168 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 11:08:03,168 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 11:08:03,169 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 11:08:03,170 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 11:08:03,171 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 11:08:03,176 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 11:08:03,178 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 11:08:03,178 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 11:08:03,181 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 11:08:03,181 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 11:08:03,181 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 11:08:03,182 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 11:08:03,183 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 11:08:03,183 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-23 11:08:03,211 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 11:08:03,212 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 11:08:03,213 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 11:08:03,213 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 11:08:03,213 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 11:08:03,214 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 11:08:03,214 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 11:08:03,214 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 11:08:03,214 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 11:08:03,214 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 11:08:03,215 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 11:08:03,215 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 11:08:03,215 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 11:08:03,215 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 11:08:03,215 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 11:08:03,215 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 11:08:03,216 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 11:08:03,216 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 11:08:03,216 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 11:08:03,216 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 11:08:03,216 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 11:08:03,217 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 11:08:03,217 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 11:08:03,217 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 11:08:03,217 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 11:08:03,217 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 11:08:03,218 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 11:08:03,218 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 11:08:03,218 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 11:08:03,218 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 11:08:03,218 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 11:08:03,218 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 11:08:03,219 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 11:08:03,263 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 11:08:03,275 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 11:08:03,280 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 11:08:03,282 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 11:08:03,282 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 11:08:03,283 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test28_true-unreach-call_true-termination.c [2018-11-23 11:08:03,349 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30c26407f/1711d0ee83134301be949e7af40598c9/FLAGf641250e1 [2018-11-23 11:08:03,746 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 11:08:03,746 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test28_true-unreach-call_true-termination.c [2018-11-23 11:08:03,755 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30c26407f/1711d0ee83134301be949e7af40598c9/FLAGf641250e1 [2018-11-23 11:08:04,129 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30c26407f/1711d0ee83134301be949e7af40598c9 [2018-11-23 11:08:04,138 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 11:08:04,140 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 11:08:04,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 11:08:04,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 11:08:04,145 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 11:08:04,147 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:08:04" (1/1) ... [2018-11-23 11:08:04,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c6910e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:08:04, skipping insertion in model container [2018-11-23 11:08:04,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:08:04" (1/1) ... [2018-11-23 11:08:04,161 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 11:08:04,188 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 11:08:04,448 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:08:04,466 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 11:08:04,488 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:08:04,508 INFO L195 MainTranslator]: Completed translation [2018-11-23 11:08:04,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:08:04 WrapperNode [2018-11-23 11:08:04,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 11:08:04,510 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 11:08:04,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 11:08:04,510 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 11:08:04,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:08:04" (1/1) ... [2018-11-23 11:08:04,531 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:08:04" (1/1) ... [2018-11-23 11:08:04,539 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 11:08:04,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 11:08:04,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 11:08:04,540 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 11:08:04,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:08:04" (1/1) ... [2018-11-23 11:08:04,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:08:04" (1/1) ... [2018-11-23 11:08:04,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:08:04" (1/1) ... [2018-11-23 11:08:04,553 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:08:04" (1/1) ... [2018-11-23 11:08:04,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:08:04" (1/1) ... [2018-11-23 11:08:04,569 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:08:04" (1/1) ... [2018-11-23 11:08:04,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:08:04" (1/1) ... [2018-11-23 11:08:04,573 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 11:08:04,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 11:08:04,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 11:08:04,574 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 11:08:04,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:08:04" (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 [2018-11-23 11:08:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 11:08:04,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 11:08:04,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 11:08:04,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 11:08:04,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 11:08:04,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 11:08:04,719 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 11:08:04,719 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 11:08:04,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 11:08:04,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 11:08:05,228 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 11:08:05,228 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 11:08:05,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:08:05 BoogieIcfgContainer [2018-11-23 11:08:05,229 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 11:08:05,230 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 11:08:05,230 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 11:08:05,233 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 11:08:05,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:08:04" (1/3) ... [2018-11-23 11:08:05,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c5f8bbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:08:05, skipping insertion in model container [2018-11-23 11:08:05,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:08:04" (2/3) ... [2018-11-23 11:08:05,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c5f8bbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:08:05, skipping insertion in model container [2018-11-23 11:08:05,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:08:05" (3/3) ... [2018-11-23 11:08:05,237 INFO L112 eAbstractionObserver]: Analyzing ICFG test28_true-unreach-call_true-termination.c [2018-11-23 11:08:05,249 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 11:08:05,258 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 11:08:05,279 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 11:08:05,314 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 11:08:05,315 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 11:08:05,315 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 11:08:05,316 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 11:08:05,316 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 11:08:05,316 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 11:08:05,316 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 11:08:05,316 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 11:08:05,317 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 11:08:05,336 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-11-23 11:08:05,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 11:08:05,344 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:08:05,345 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:08:05,348 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:08:05,355 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:08:05,355 INFO L82 PathProgramCache]: Analyzing trace with hash 668850033, now seen corresponding path program 1 times [2018-11-23 11:08:05,361 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:08:05,362 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:08:05,393 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:08:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:08:05,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:08:05,489 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:08:05,719 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-11-23 11:08:05,738 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 11:08:05,760 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 11:08:05,760 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:8, output treesize:4 [2018-11-23 11:08:06,186 INFO L256 TraceCheckUtils]: 0: Hoare triple {21#true} call ULTIMATE.init(); {21#true} is VALID [2018-11-23 11:08:06,189 INFO L273 TraceCheckUtils]: 1: Hoare triple {21#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {21#true} is VALID [2018-11-23 11:08:06,190 INFO L273 TraceCheckUtils]: 2: Hoare triple {21#true} assume true; {21#true} is VALID [2018-11-23 11:08:06,190 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {21#true} {21#true} #35#return; {21#true} is VALID [2018-11-23 11:08:06,190 INFO L256 TraceCheckUtils]: 4: Hoare triple {21#true} call #t~ret4 := main(); {21#true} is VALID [2018-11-23 11:08:06,192 INFO L273 TraceCheckUtils]: 5: Hoare triple {21#true} call ~#d1~0.base, ~#d1~0.offset := #Ultimate.alloc(8bv32);call ~#d2~0.base, ~#d2~0.offset := #Ultimate.alloc(8bv32);~n~0 := #t~nondet0;havoc #t~nondet0; {41#(not (= |main_~#d1~0.base| |main_~#d2~0.base|))} is VALID [2018-11-23 11:08:06,195 INFO L273 TraceCheckUtils]: 6: Hoare triple {41#(not (= |main_~#d1~0.base| |main_~#d2~0.base|))} assume 0bv32 != ~n~0;#t~ite1.base, #t~ite1.offset := ~#d1~0.base, ~#d1~0.offset; {45#(not (= |main_#t~ite1.base| |main_~#d2~0.base|))} is VALID [2018-11-23 11:08:06,196 INFO L273 TraceCheckUtils]: 7: Hoare triple {45#(not (= |main_#t~ite1.base| |main_~#d2~0.base|))} ~pd~0.base, ~pd~0.offset := #t~ite1.base, #t~ite1.offset;havoc #t~ite1.base, #t~ite1.offset; {49#(not (= |main_~#d2~0.base| main_~pd~0.base))} is VALID [2018-11-23 11:08:06,197 INFO L273 TraceCheckUtils]: 8: Hoare triple {49#(not (= |main_~#d2~0.base| main_~pd~0.base))} assume !(~pd~0.base == ~#d1~0.base && ~pd~0.offset == ~#d1~0.offset);call write~intINTTYPE4(0bv32, ~pd~0.base, ~bvadd32(4bv32, ~pd~0.offset), 4bv32); {49#(not (= |main_~#d2~0.base| main_~pd~0.base))} is VALID [2018-11-23 11:08:06,208 INFO L273 TraceCheckUtils]: 9: Hoare triple {49#(not (= |main_~#d2~0.base| main_~pd~0.base))} #t~short3 := ~pd~0.base == ~#d2~0.base && ~pd~0.offset == ~#d2~0.offset; {56#(not |main_#t~short3|)} is VALID [2018-11-23 11:08:06,221 INFO L273 TraceCheckUtils]: 10: Hoare triple {56#(not |main_#t~short3|)} assume #t~short3;call #t~mem2 := read~intINTTYPE4(~#d2~0.base, ~bvadd32(4bv32, ~#d2~0.offset), 4bv32);#t~short3 := 0bv32 != #t~mem2; {22#false} is VALID [2018-11-23 11:08:06,222 INFO L273 TraceCheckUtils]: 11: Hoare triple {22#false} assume #t~short3;havoc #t~short3;havoc #t~mem2; {22#false} is VALID [2018-11-23 11:08:06,222 INFO L273 TraceCheckUtils]: 12: Hoare triple {22#false} assume !false; {22#false} is VALID [2018-11-23 11:08:06,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:08:06,225 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (2)] Exception during sending of exit command (exit): Broken pipe [2018-11-23 11:08:06,238 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:08:06,238 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 11:08:06,243 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-11-23 11:08:06,247 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:08:06,251 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2018-11-23 11:08:06,329 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:08:06,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 11:08:06,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 11:08:06,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 11:08:06,345 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 6 states. [2018-11-23 11:08:07,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:08:07,390 INFO L93 Difference]: Finished difference Result 31 states and 38 transitions. [2018-11-23 11:08:07,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 11:08:07,391 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-11-23 11:08:07,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:08:07,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 11:08:07,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 38 transitions. [2018-11-23 11:08:07,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 11:08:07,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 38 transitions. [2018-11-23 11:08:07,427 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 38 transitions. [2018-11-23 11:08:07,555 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:08:07,567 INFO L225 Difference]: With dead ends: 31 [2018-11-23 11:08:07,567 INFO L226 Difference]: Without dead ends: 14 [2018-11-23 11:08:07,570 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2018-11-23 11:08:07,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2018-11-23 11:08:07,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-11-23 11:08:07,682 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:08:07,683 INFO L82 GeneralOperation]: Start isEquivalent. First operand 14 states. Second operand 14 states. [2018-11-23 11:08:07,684 INFO L74 IsIncluded]: Start isIncluded. First operand 14 states. Second operand 14 states. [2018-11-23 11:08:07,684 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 14 states. [2018-11-23 11:08:07,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:08:07,687 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2018-11-23 11:08:07,688 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2018-11-23 11:08:07,688 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:08:07,688 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:08:07,689 INFO L74 IsIncluded]: Start isIncluded. First operand 14 states. Second operand 14 states. [2018-11-23 11:08:07,689 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 14 states. [2018-11-23 11:08:07,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:08:07,692 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2018-11-23 11:08:07,692 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2018-11-23 11:08:07,693 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:08:07,693 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:08:07,693 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:08:07,694 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:08:07,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-23 11:08:07,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 13 transitions. [2018-11-23 11:08:07,699 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 13 transitions. Word has length 13 [2018-11-23 11:08:07,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:08:07,700 INFO L480 AbstractCegarLoop]: Abstraction has 14 states and 13 transitions. [2018-11-23 11:08:07,700 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 11:08:07,700 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2018-11-23 11:08:07,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 11:08:07,702 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:08:07,702 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:08:07,702 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:08:07,703 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:08:07,704 INFO L82 PathProgramCache]: Analyzing trace with hash -1851109901, now seen corresponding path program 1 times [2018-11-23 11:08:07,704 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:08:07,705 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:08:07,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:08:07,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:08:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:08:07,807 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:08:08,125 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-11-23 11:08:08,161 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-23 11:08:08,163 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 11:08:08,166 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 11:08:08,178 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 11:08:08,178 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:17, output treesize:13 [2018-11-23 11:08:08,260 INFO L256 TraceCheckUtils]: 0: Hoare triple {157#true} call ULTIMATE.init(); {157#true} is VALID [2018-11-23 11:08:08,260 INFO L273 TraceCheckUtils]: 1: Hoare triple {157#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {157#true} is VALID [2018-11-23 11:08:08,261 INFO L273 TraceCheckUtils]: 2: Hoare triple {157#true} assume true; {157#true} is VALID [2018-11-23 11:08:08,261 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {157#true} {157#true} #35#return; {157#true} is VALID [2018-11-23 11:08:08,261 INFO L256 TraceCheckUtils]: 4: Hoare triple {157#true} call #t~ret4 := main(); {157#true} is VALID [2018-11-23 11:08:08,262 INFO L273 TraceCheckUtils]: 5: Hoare triple {157#true} call ~#d1~0.base, ~#d1~0.offset := #Ultimate.alloc(8bv32);call ~#d2~0.base, ~#d2~0.offset := #Ultimate.alloc(8bv32);~n~0 := #t~nondet0;havoc #t~nondet0; {177#(= (_ bv0 32) |main_~#d2~0.offset|)} is VALID [2018-11-23 11:08:08,264 INFO L273 TraceCheckUtils]: 6: Hoare triple {177#(= (_ bv0 32) |main_~#d2~0.offset|)} assume !(0bv32 != ~n~0);#t~ite1.base, #t~ite1.offset := ~#d2~0.base, ~#d2~0.offset; {181#(and (= |main_#t~ite1.base| |main_~#d2~0.base|) (= |main_#t~ite1.offset| |main_~#d2~0.offset|) (= (_ bv0 32) |main_~#d2~0.offset|))} is VALID [2018-11-23 11:08:08,266 INFO L273 TraceCheckUtils]: 7: Hoare triple {181#(and (= |main_#t~ite1.base| |main_~#d2~0.base|) (= |main_#t~ite1.offset| |main_~#d2~0.offset|) (= (_ bv0 32) |main_~#d2~0.offset|))} ~pd~0.base, ~pd~0.offset := #t~ite1.base, #t~ite1.offset;havoc #t~ite1.base, #t~ite1.offset; {185#(and (= |main_~#d2~0.base| main_~pd~0.base) (= |main_~#d2~0.offset| main_~pd~0.offset) (= (_ bv0 32) |main_~#d2~0.offset|))} is VALID [2018-11-23 11:08:08,276 INFO L273 TraceCheckUtils]: 8: Hoare triple {185#(and (= |main_~#d2~0.base| main_~pd~0.base) (= |main_~#d2~0.offset| main_~pd~0.offset) (= (_ bv0 32) |main_~#d2~0.offset|))} assume !(~pd~0.base == ~#d1~0.base && ~pd~0.offset == ~#d1~0.offset);call write~intINTTYPE4(0bv32, ~pd~0.base, ~bvadd32(4bv32, ~pd~0.offset), 4bv32); {189#(and (= (_ bv0 32) (select (select |#memory_int| |main_~#d2~0.base|) (bvadd |main_~#d2~0.offset| (_ bv4 32)))) (= (_ bv0 32) |main_~#d2~0.offset|))} is VALID [2018-11-23 11:08:08,277 INFO L273 TraceCheckUtils]: 9: Hoare triple {189#(and (= (_ bv0 32) (select (select |#memory_int| |main_~#d2~0.base|) (bvadd |main_~#d2~0.offset| (_ bv4 32)))) (= (_ bv0 32) |main_~#d2~0.offset|))} #t~short3 := ~pd~0.base == ~#d2~0.base && ~pd~0.offset == ~#d2~0.offset; {189#(and (= (_ bv0 32) (select (select |#memory_int| |main_~#d2~0.base|) (bvadd |main_~#d2~0.offset| (_ bv4 32)))) (= (_ bv0 32) |main_~#d2~0.offset|))} is VALID [2018-11-23 11:08:08,281 INFO L273 TraceCheckUtils]: 10: Hoare triple {189#(and (= (_ bv0 32) (select (select |#memory_int| |main_~#d2~0.base|) (bvadd |main_~#d2~0.offset| (_ bv4 32)))) (= (_ bv0 32) |main_~#d2~0.offset|))} assume #t~short3;call #t~mem2 := read~intINTTYPE4(~#d2~0.base, ~bvadd32(4bv32, ~#d2~0.offset), 4bv32);#t~short3 := 0bv32 != #t~mem2; {196#(not |main_#t~short3|)} is VALID [2018-11-23 11:08:08,281 INFO L273 TraceCheckUtils]: 11: Hoare triple {196#(not |main_#t~short3|)} assume #t~short3;havoc #t~short3;havoc #t~mem2; {158#false} is VALID [2018-11-23 11:08:08,281 INFO L273 TraceCheckUtils]: 12: Hoare triple {158#false} assume !false; {158#false} is VALID [2018-11-23 11:08:08,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:08:08,283 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 11:08:08,286 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:08:08,286 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 11:08:08,288 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2018-11-23 11:08:08,289 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:08:08,289 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2018-11-23 11:08:08,325 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:08:08,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 11:08:08,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 11:08:08,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-23 11:08:08,327 INFO L87 Difference]: Start difference. First operand 14 states and 13 transitions. Second operand 7 states. [2018-11-23 11:08:08,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:08:08,594 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2018-11-23 11:08:08,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 11:08:08,595 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2018-11-23 11:08:08,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:08:08,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-11-23 11:08:08,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 13 transitions. [2018-11-23 11:08:08,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-11-23 11:08:08,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 13 transitions. [2018-11-23 11:08:08,600 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 13 transitions. [2018-11-23 11:08:08,633 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:08:08,633 INFO L225 Difference]: With dead ends: 14 [2018-11-23 11:08:08,633 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 11:08:08,634 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-11-23 11:08:08,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 11:08:08,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 11:08:08,635 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:08:08,635 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-11-23 11:08:08,635 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 11:08:08,636 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 11:08:08,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:08:08,636 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 11:08:08,636 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:08:08,636 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:08:08,637 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:08:08,637 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 11:08:08,637 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 11:08:08,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:08:08,637 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 11:08:08,637 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:08:08,637 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:08:08,638 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:08:08,638 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:08:08,638 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:08:08,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 11:08:08,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 11:08:08,638 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2018-11-23 11:08:08,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:08:08,639 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 11:08:08,639 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 11:08:08,639 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:08:08,639 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:08:08,643 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 11:08:08,799 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 11:08:08,799 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 11:08:08,800 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:08:08,800 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:08:08,800 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 11:08:08,800 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 11:08:08,800 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 11:08:08,800 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 10 28) no Hoare annotation was computed. [2018-11-23 11:08:08,800 INFO L444 ceAbstractionStarter]: At program point L21(lines 11 28) the Hoare annotation is: false [2018-11-23 11:08:08,801 INFO L448 ceAbstractionStarter]: For program point L15(lines 15 19) no Hoare annotation was computed. [2018-11-23 11:08:08,801 INFO L448 ceAbstractionStarter]: For program point L15-2(lines 15 19) no Hoare annotation was computed. [2018-11-23 11:08:08,801 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 10 28) no Hoare annotation was computed. [2018-11-23 11:08:08,801 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 10 28) the Hoare annotation is: true [2018-11-23 11:08:08,801 INFO L448 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-11-23 11:08:08,801 INFO L448 ceAbstractionStarter]: For program point L20-2(lines 20 22) no Hoare annotation was computed. [2018-11-23 11:08:08,801 INFO L448 ceAbstractionStarter]: For program point L14(line 14) no Hoare annotation was computed. [2018-11-23 11:08:08,802 INFO L448 ceAbstractionStarter]: For program point L14-2(line 14) no Hoare annotation was computed. [2018-11-23 11:08:08,802 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 26) no Hoare annotation was computed. [2018-11-23 11:08:08,804 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 11:08:08,804 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2018-11-23 11:08:08,804 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 11:08:08,805 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 11:08:08,805 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2018-11-23 11:08:08,805 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2018-11-23 11:08:08,805 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-23 11:08:08,805 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 11:08:08,805 WARN L170 areAnnotationChecker]: L14-2 has no Hoare annotation [2018-11-23 11:08:08,805 WARN L170 areAnnotationChecker]: L15 has no Hoare annotation [2018-11-23 11:08:08,805 WARN L170 areAnnotationChecker]: L15 has no Hoare annotation [2018-11-23 11:08:08,805 WARN L170 areAnnotationChecker]: L15-2 has no Hoare annotation [2018-11-23 11:08:08,806 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2018-11-23 11:08:08,806 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2018-11-23 11:08:08,806 WARN L170 areAnnotationChecker]: L20-2 has no Hoare annotation [2018-11-23 11:08:08,806 WARN L170 areAnnotationChecker]: L20-2 has no Hoare annotation [2018-11-23 11:08:08,806 WARN L170 areAnnotationChecker]: mainErr0ASSERT_VIOLATIONERROR_FUNCTION has no Hoare annotation [2018-11-23 11:08:08,806 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-23 11:08:08,806 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-23 11:08:08,806 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-23 11:08:08,807 INFO L163 areAnnotationChecker]: CFG has 2 edges. 2 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2018-11-23 11:08:08,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:08:08 BoogieIcfgContainer [2018-11-23 11:08:08,812 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 11:08:08,813 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 11:08:08,813 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 11:08:08,813 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 11:08:08,814 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:08:05" (3/4) ... [2018-11-23 11:08:08,817 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 11:08:08,825 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 11:08:08,826 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 11:08:08,831 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-11-23 11:08:08,831 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 11:08:08,832 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 11:08:08,832 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 11:08:08,884 INFO L145 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/ldv-regression/test28_true-unreach-call_true-termination.c-witness.graphml [2018-11-23 11:08:08,885 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 11:08:08,886 INFO L168 Benchmark]: Toolchain (without parser) took 4747.00 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 733.0 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -603.1 MB). Peak memory consumption was 129.8 MB. Max. memory is 7.1 GB. [2018-11-23 11:08:08,887 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 11:08:08,888 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.20 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-11-23 11:08:08,888 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.69 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 11:08:08,889 INFO L168 Benchmark]: Boogie Preprocessor took 33.80 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 11:08:08,889 INFO L168 Benchmark]: RCFGBuilder took 655.25 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 733.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -767.5 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. [2018-11-23 11:08:08,890 INFO L168 Benchmark]: TraceAbstraction took 3582.34 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 153.8 MB). Peak memory consumption was 153.8 MB. Max. memory is 7.1 GB. [2018-11-23 11:08:08,891 INFO L168 Benchmark]: Witness Printer took 72.18 ms. Allocated memory is still 2.3 GB. Free memory is still 2.0 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 11:08:08,894 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 368.20 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 29.69 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 33.80 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 655.25 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 733.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -767.5 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3582.34 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 153.8 MB). Peak memory consumption was 153.8 MB. Max. memory is 7.1 GB. * Witness Printer took 72.18 ms. Allocated memory is still 2.3 GB. Free memory is still 2.0 GB. There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 26]: 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 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 18 locations, 1 error locations. SAFE Result, 3.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 1.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 17 SDtfs, 26 SDslu, 50 SDs, 0 SdLazy, 55 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 5 NumberOfFragments, 5 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 984 SizeOfPredicates, 12 NumberOfNonLiveVariables, 86 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...