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/loop-acceleration/phases_2-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 16:11:45,243 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 16:11:45,245 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 16:11:45,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 16:11:45,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 16:11:45,258 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 16:11:45,259 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 16:11:45,261 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 16:11:45,263 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 16:11:45,264 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 16:11:45,265 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 16:11:45,266 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 16:11:45,267 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 16:11:45,268 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 16:11:45,269 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 16:11:45,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 16:11:45,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 16:11:45,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 16:11:45,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 16:11:45,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 16:11:45,276 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 16:11:45,278 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 16:11:45,279 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 16:11:45,280 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 16:11:45,282 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 16:11:45,282 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 16:11:45,282 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 16:11:45,284 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 16:11:45,284 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 16:11:45,285 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 16:11:45,286 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 16:11:45,286 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 16:11:45,288 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 16:11:45,289 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 16:11:45,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 16:11:45,290 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 16:11:45,291 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 16:11:45,291 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 16:11:45,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 16:11:45,295 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 16:11:45,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 16:11:45,296 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 [2019-09-16 16:11:45,314 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 16:11:45,318 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 16:11:45,321 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 16:11:45,322 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 16:11:45,322 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 16:11:45,322 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 16:11:45,322 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 16:11:45,323 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 16:11:45,323 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 16:11:45,323 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 16:11:45,323 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 16:11:45,323 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 16:11:45,323 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 16:11:45,324 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 16:11:45,324 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 16:11:45,324 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 16:11:45,325 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 16:11:45,326 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 16:11:45,326 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 16:11:45,326 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 16:11:45,326 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 16:11:45,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 16:11:45,327 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 16:11:45,327 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 16:11:45,327 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 16:11:45,327 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 16:11:45,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 16:11:45,327 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 16:11:45,328 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 16:11:45,363 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 16:11:45,375 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 16:11:45,379 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 16:11:45,380 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 16:11:45,381 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 16:11:45,382 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/phases_2-2.c [2019-09-16 16:11:45,445 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc6e7ae33/c26b377fa9a0409384fb4ce25b23cf08/FLAGfdad0a0d3 [2019-09-16 16:11:45,918 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 16:11:45,920 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/phases_2-2.c [2019-09-16 16:11:45,927 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc6e7ae33/c26b377fa9a0409384fb4ce25b23cf08/FLAGfdad0a0d3 [2019-09-16 16:11:46,250 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc6e7ae33/c26b377fa9a0409384fb4ce25b23cf08 [2019-09-16 16:11:46,260 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 16:11:46,262 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 16:11:46,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 16:11:46,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 16:11:46,266 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 16:11:46,267 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:11:46" (1/1) ... [2019-09-16 16:11:46,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eb11c84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:11:46, skipping insertion in model container [2019-09-16 16:11:46,270 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:11:46" (1/1) ... [2019-09-16 16:11:46,277 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 16:11:46,293 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 16:11:46,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:11:46,451 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 16:11:46,467 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:11:46,482 INFO L192 MainTranslator]: Completed translation [2019-09-16 16:11:46,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:11:46 WrapperNode [2019-09-16 16:11:46,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 16:11:46,483 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 16:11:46,483 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 16:11:46,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 16:11:46,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:11:46" (1/1) ... [2019-09-16 16:11:46,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:11:46" (1/1) ... [2019-09-16 16:11:46,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:11:46" (1/1) ... [2019-09-16 16:11:46,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:11:46" (1/1) ... [2019-09-16 16:11:46,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:11:46" (1/1) ... [2019-09-16 16:11:46,600 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:11:46" (1/1) ... [2019-09-16 16:11:46,601 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:11:46" (1/1) ... [2019-09-16 16:11:46,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 16:11:46,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 16:11:46,605 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 16:11:46,605 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 16:11:46,606 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:11:46" (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 [2019-09-16 16:11:46,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 16:11:46,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 16:11:46,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-16 16:11:46,670 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 16:11:46,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 16:11:46,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-16 16:11:46,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-16 16:11:46,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-16 16:11:46,670 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 16:11:46,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 16:11:46,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 16:11:46,852 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 16:11:46,853 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-16 16:11:46,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:11:46 BoogieIcfgContainer [2019-09-16 16:11:46,854 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 16:11:46,855 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 16:11:46,856 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 16:11:46,859 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 16:11:46,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 04:11:46" (1/3) ... [2019-09-16 16:11:46,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@343bac9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:11:46, skipping insertion in model container [2019-09-16 16:11:46,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:11:46" (2/3) ... [2019-09-16 16:11:46,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@343bac9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:11:46, skipping insertion in model container [2019-09-16 16:11:46,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:11:46" (3/3) ... [2019-09-16 16:11:46,863 INFO L109 eAbstractionObserver]: Analyzing ICFG phases_2-2.c [2019-09-16 16:11:46,874 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 16:11:46,883 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 16:11:46,903 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 16:11:46,946 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-16 16:11:46,947 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 16:11:46,948 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-16 16:11:46,948 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 16:11:46,948 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 16:11:46,948 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 16:11:46,948 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 16:11:46,949 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 16:11:46,949 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 16:11:46,972 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-09-16 16:11:46,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-09-16 16:11:46,979 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:11:46,980 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:11:46,983 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:11:46,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:11:46,989 INFO L82 PathProgramCache]: Analyzing trace with hash -133618162, now seen corresponding path program 1 times [2019-09-16 16:11:46,991 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:11:46,992 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:11:47,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:11:47,051 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:11:47,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:11:47,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:11:47,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:11:47,117 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:11:47,117 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-16 16:11:47,120 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-16 16:11:47,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-16 16:11:47,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 16:11:47,133 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2019-09-16 16:11:47,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:11:47,157 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2019-09-16 16:11:47,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-16 16:11:47,158 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-09-16 16:11:47,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:11:47,167 INFO L225 Difference]: With dead ends: 30 [2019-09-16 16:11:47,168 INFO L226 Difference]: Without dead ends: 13 [2019-09-16 16:11:47,171 INFO L636 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 [2019-09-16 16:11:47,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-09-16 16:11:47,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-09-16 16:11:47,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-09-16 16:11:47,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2019-09-16 16:11:47,214 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2019-09-16 16:11:47,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:11:47,214 INFO L475 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2019-09-16 16:11:47,215 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-16 16:11:47,215 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2019-09-16 16:11:47,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-09-16 16:11:47,216 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:11:47,216 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:11:47,216 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:11:47,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:11:47,217 INFO L82 PathProgramCache]: Analyzing trace with hash -142853372, now seen corresponding path program 1 times [2019-09-16 16:11:47,217 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:11:47,217 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:11:47,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:11:47,219 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:11:47,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:11:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:11:47,478 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: NonCoreBooleanSubTermTransformer does not support AnnotatedTerm at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.NonCoreBooleanSubTermTransformer$NonCoreBooleanSubtermTransformerHelper.convert(NonCoreBooleanSubTermTransformer.java:107) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.NonCoreBooleanSubTermTransformer.transform(NonCoreBooleanSubTermTransformer.java:51) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:87) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computePredicates(NestedInterpolantsBuilder.java:585) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:172) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsTree(InterpolatingTraceCheckCraig.java:271) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:207) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:183) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:461) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:371) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-09-16 16:11:47,484 INFO L168 Benchmark]: Toolchain (without parser) took 1221.37 ms. Allocated memory was 139.5 MB in the beginning and 198.7 MB in the end (delta: 59.2 MB). Free memory was 87.3 MB in the beginning and 136.5 MB in the end (delta: -49.2 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-09-16 16:11:47,485 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 16:11:47,486 INFO L168 Benchmark]: CACSL2BoogieTranslator took 220.48 ms. Allocated memory is still 139.5 MB. Free memory was 86.9 MB in the beginning and 77.6 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-16 16:11:47,487 INFO L168 Benchmark]: Boogie Preprocessor took 121.29 ms. Allocated memory was 139.5 MB in the beginning and 198.7 MB in the end (delta: 59.2 MB). Free memory was 77.6 MB in the beginning and 176.2 MB in the end (delta: -98.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-09-16 16:11:47,488 INFO L168 Benchmark]: RCFGBuilder took 249.48 ms. Allocated memory is still 198.7 MB. Free memory was 176.2 MB in the beginning and 164.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. [2019-09-16 16:11:47,489 INFO L168 Benchmark]: TraceAbstraction took 625.80 ms. Allocated memory is still 198.7 MB. Free memory was 164.1 MB in the beginning and 136.5 MB in the end (delta: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. [2019-09-16 16:11:47,493 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 220.48 ms. Allocated memory is still 139.5 MB. Free memory was 86.9 MB in the beginning and 77.6 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.29 ms. Allocated memory was 139.5 MB in the beginning and 198.7 MB in the end (delta: 59.2 MB). Free memory was 77.6 MB in the beginning and 176.2 MB in the end (delta: -98.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 249.48 ms. Allocated memory is still 198.7 MB. Free memory was 176.2 MB in the beginning and 164.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 625.80 ms. Allocated memory is still 198.7 MB. Free memory was 164.1 MB in the beginning and 136.5 MB in the end (delta: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: NonCoreBooleanSubTermTransformer does not support AnnotatedTerm de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: NonCoreBooleanSubTermTransformer does not support AnnotatedTerm: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.NonCoreBooleanSubTermTransformer$NonCoreBooleanSubtermTransformerHelper.convert(NonCoreBooleanSubTermTransformer.java:107) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...