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-invgen/apache-get-tag.i.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 16:12:02,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 16:12:02,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 16:12:02,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 16:12:02,222 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 16:12:02,223 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 16:12:02,224 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 16:12:02,226 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 16:12:02,227 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 16:12:02,228 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 16:12:02,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 16:12:02,230 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 16:12:02,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 16:12:02,232 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 16:12:02,233 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 16:12:02,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 16:12:02,235 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 16:12:02,236 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 16:12:02,238 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 16:12:02,240 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 16:12:02,241 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 16:12:02,242 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 16:12:02,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 16:12:02,244 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 16:12:02,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-16 16:12:02,250 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 16:12:02,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 16:12:02,252 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 16:12:02,253 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 16:12:02,254 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 16:12:02,254 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 16:12:02,255 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 16:12:02,255 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 16:12:02,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 16:12:02,256 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 16:12:02,257 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 16:12:02,258 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 16:12:02,273 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 16:12:02,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 16:12:02,274 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 16:12:02,274 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 16:12:02,275 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 16:12:02,275 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 16:12:02,275 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 16:12:02,275 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 16:12:02,275 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 16:12:02,276 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 16:12:02,276 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 16:12:02,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 16:12:02,276 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 16:12:02,276 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 16:12:02,277 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 16:12:02,277 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 16:12:02,277 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 16:12:02,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 16:12:02,277 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 16:12:02,278 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 16:12:02,278 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 16:12:02,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 16:12:02,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 16:12:02,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 16:12:02,279 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 16:12:02,279 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 16:12:02,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 16:12:02,279 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 16:12:02,279 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 16:12:02,307 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 16:12:02,319 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 16:12:02,322 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 16:12:02,324 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 16:12:02,324 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 16:12:02,325 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+nlh-reducer.c [2019-09-16 16:12:02,382 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47e3e6497/e51c32a685ab47ac8613e2fc31cc9536/FLAGf3e7be1fa [2019-09-16 16:12:02,840 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 16:12:02,841 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+nlh-reducer.c [2019-09-16 16:12:02,854 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47e3e6497/e51c32a685ab47ac8613e2fc31cc9536/FLAGf3e7be1fa [2019-09-16 16:12:03,216 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47e3e6497/e51c32a685ab47ac8613e2fc31cc9536 [2019-09-16 16:12:03,228 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 16:12:03,230 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 16:12:03,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 16:12:03,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 16:12:03,237 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 16:12:03,237 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:12:03" (1/1) ... [2019-09-16 16:12:03,240 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df8236c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:12:03, skipping insertion in model container [2019-09-16 16:12:03,241 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:12:03" (1/1) ... [2019-09-16 16:12:03,248 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 16:12:03,300 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 16:12:03,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:12:03,529 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 16:12:03,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:12:03,679 INFO L192 MainTranslator]: Completed translation [2019-09-16 16:12:03,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:12:03 WrapperNode [2019-09-16 16:12:03,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 16:12:03,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 16:12:03,681 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 16:12:03,681 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 16:12:03,691 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:12:03" (1/1) ... [2019-09-16 16:12:03,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:12:03" (1/1) ... [2019-09-16 16:12:03,696 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:12:03" (1/1) ... [2019-09-16 16:12:03,696 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:12:03" (1/1) ... [2019-09-16 16:12:03,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:12:03" (1/1) ... [2019-09-16 16:12:03,713 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:12:03" (1/1) ... [2019-09-16 16:12:03,715 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:12:03" (1/1) ... [2019-09-16 16:12:03,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 16:12:03,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 16:12:03,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 16:12:03,718 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 16:12:03,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:12:03" (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 16:12:03,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 16:12:03,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 16:12:03,772 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 16:12:03,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 16:12:03,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-16 16:12:03,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-16 16:12:03,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 16:12:03,775 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 16:12:03,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 16:12:03,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 16:12:04,185 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 16:12:04,185 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-16 16:12:04,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:12:04 BoogieIcfgContainer [2019-09-16 16:12:04,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 16:12:04,188 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 16:12:04,188 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 16:12:04,191 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 16:12:04,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 04:12:03" (1/3) ... [2019-09-16 16:12:04,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@293a63b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:12:04, skipping insertion in model container [2019-09-16 16:12:04,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:12:03" (2/3) ... [2019-09-16 16:12:04,193 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@293a63b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:12:04, skipping insertion in model container [2019-09-16 16:12:04,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:12:04" (3/3) ... [2019-09-16 16:12:04,195 INFO L109 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.v+nlh-reducer.c [2019-09-16 16:12:04,204 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 16:12:04,214 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 17 error locations. [2019-09-16 16:12:04,231 INFO L252 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2019-09-16 16:12:04,265 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-16 16:12:04,265 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 16:12:04,265 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-16 16:12:04,265 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 16:12:04,266 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 16:12:04,266 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 16:12:04,266 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 16:12:04,266 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 16:12:04,266 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 16:12:04,283 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states. [2019-09-16 16:12:04,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-09-16 16:12:04,288 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:12:04,289 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:12:04,291 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:12:04,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:12:04,295 INFO L82 PathProgramCache]: Analyzing trace with hash -355727005, now seen corresponding path program 1 times [2019-09-16 16:12:04,297 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:12:04,297 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:12:04,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:12:04,340 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:12:04,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:12:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:12:04,462 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 16:12:04,466 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:12:04,466 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-16 16:12:04,469 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-16 16:12:04,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-16 16:12:04,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-16 16:12:04,481 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 4 states. [2019-09-16 16:12:04,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:12:04,670 INFO L93 Difference]: Finished difference Result 133 states and 176 transitions. [2019-09-16 16:12:04,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-16 16:12:04,672 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-09-16 16:12:04,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:12:04,684 INFO L225 Difference]: With dead ends: 133 [2019-09-16 16:12:04,684 INFO L226 Difference]: Without dead ends: 113 [2019-09-16 16:12:04,687 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-16 16:12:04,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-09-16 16:12:04,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 69. [2019-09-16 16:12:04,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2019-09-16 16:12:04,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 73 transitions. [2019-09-16 16:12:04,734 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 73 transitions. Word has length 12 [2019-09-16 16:12:04,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:12:04,734 INFO L475 AbstractCegarLoop]: Abstraction has 69 states and 73 transitions. [2019-09-16 16:12:04,735 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-16 16:12:04,735 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 73 transitions. [2019-09-16 16:12:04,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-09-16 16:12:04,736 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:12:04,736 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:12:04,737 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:12:04,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:12:04,737 INFO L82 PathProgramCache]: Analyzing trace with hash -358961311, now seen corresponding path program 1 times [2019-09-16 16:12:04,738 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:12:04,738 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:12:04,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:12:04,740 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:12:04,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:12:04,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:12:04,820 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 16:12:04,820 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:12:04,821 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-16 16:12:04,823 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-16 16:12:04,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-16 16:12:04,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-16 16:12:04,825 INFO L87 Difference]: Start difference. First operand 69 states and 73 transitions. Second operand 4 states. [2019-09-16 16:12:04,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:12:04,895 INFO L93 Difference]: Finished difference Result 69 states and 73 transitions. [2019-09-16 16:12:04,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-16 16:12:04,896 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-09-16 16:12:04,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:12:04,898 INFO L225 Difference]: With dead ends: 69 [2019-09-16 16:12:04,898 INFO L226 Difference]: Without dead ends: 67 [2019-09-16 16:12:04,899 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-16 16:12:04,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-09-16 16:12:04,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2019-09-16 16:12:04,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-09-16 16:12:04,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 71 transitions. [2019-09-16 16:12:04,908 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 71 transitions. Word has length 12 [2019-09-16 16:12:04,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:12:04,908 INFO L475 AbstractCegarLoop]: Abstraction has 67 states and 71 transitions. [2019-09-16 16:12:04,909 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-16 16:12:04,909 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2019-09-16 16:12:04,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-09-16 16:12:04,909 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:12:04,910 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:12:04,910 INFO L418 AbstractCegarLoop]: === Iteration 3 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:12:04,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:12:04,911 INFO L82 PathProgramCache]: Analyzing trace with hash 1757104312, now seen corresponding path program 1 times [2019-09-16 16:12:04,911 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:12:04,911 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:12:04,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:12:04,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:12:04,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:12:04,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:12:04,978 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 16:12:04,978 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:12:04,978 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-16 16:12:04,979 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-16 16:12:04,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-16 16:12:04,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-16 16:12:04,980 INFO L87 Difference]: Start difference. First operand 67 states and 71 transitions. Second operand 4 states. [2019-09-16 16:12:05,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:12:05,072 INFO L93 Difference]: Finished difference Result 73 states and 77 transitions. [2019-09-16 16:12:05,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-16 16:12:05,076 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-09-16 16:12:05,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:12:05,077 INFO L225 Difference]: With dead ends: 73 [2019-09-16 16:12:05,079 INFO L226 Difference]: Without dead ends: 71 [2019-09-16 16:12:05,080 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-16 16:12:05,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-09-16 16:12:05,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 70. [2019-09-16 16:12:05,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-09-16 16:12:05,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 74 transitions. [2019-09-16 16:12:05,090 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 74 transitions. Word has length 13 [2019-09-16 16:12:05,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:12:05,091 INFO L475 AbstractCegarLoop]: Abstraction has 70 states and 74 transitions. [2019-09-16 16:12:05,091 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-16 16:12:05,091 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 74 transitions. [2019-09-16 16:12:05,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-09-16 16:12:05,092 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:12:05,093 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:12:05,093 INFO L418 AbstractCegarLoop]: === Iteration 4 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:12:05,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:12:05,094 INFO L82 PathProgramCache]: Analyzing trace with hash -1775862844, now seen corresponding path program 1 times [2019-09-16 16:12:05,094 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:12:05,094 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:12:05,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:12:05,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:12:05,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:12:05,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:12:05,165 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 16:12:05,165 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:12:05,165 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-16 16:12:05,166 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-16 16:12:05,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-16 16:12:05,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-09-16 16:12:05,167 INFO L87 Difference]: Start difference. First operand 70 states and 74 transitions. Second operand 5 states. [2019-09-16 16:12:05,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:12:05,273 INFO L93 Difference]: Finished difference Result 71 states and 75 transitions. [2019-09-16 16:12:05,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-16 16:12:05,274 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2019-09-16 16:12:05,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:12:05,275 INFO L225 Difference]: With dead ends: 71 [2019-09-16 16:12:05,275 INFO L226 Difference]: Without dead ends: 69 [2019-09-16 16:12:05,276 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-09-16 16:12:05,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2019-09-16 16:12:05,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 68. [2019-09-16 16:12:05,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-09-16 16:12:05,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 72 transitions. [2019-09-16 16:12:05,283 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 72 transitions. Word has length 15 [2019-09-16 16:12:05,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:12:05,284 INFO L475 AbstractCegarLoop]: Abstraction has 68 states and 72 transitions. [2019-09-16 16:12:05,284 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-16 16:12:05,284 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 72 transitions. [2019-09-16 16:12:05,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-09-16 16:12:05,285 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:12:05,285 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:12:05,286 INFO L418 AbstractCegarLoop]: === Iteration 5 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:12:05,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:12:05,286 INFO L82 PathProgramCache]: Analyzing trace with hash 655192796, now seen corresponding path program 1 times [2019-09-16 16:12:05,286 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:12:05,286 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:12:05,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:12:05,288 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:12:05,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:12:05,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:12:05,334 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 16:12:05,335 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:12:05,335 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-16 16:12:05,335 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-16 16:12:05,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-16 16:12:05,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-09-16 16:12:05,336 INFO L87 Difference]: Start difference. First operand 68 states and 72 transitions. Second operand 5 states. [2019-09-16 16:12:05,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:12:05,431 INFO L93 Difference]: Finished difference Result 69 states and 73 transitions. [2019-09-16 16:12:05,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-16 16:12:05,432 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2019-09-16 16:12:05,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:12:05,433 INFO L225 Difference]: With dead ends: 69 [2019-09-16 16:12:05,433 INFO L226 Difference]: Without dead ends: 67 [2019-09-16 16:12:05,433 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-09-16 16:12:05,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-09-16 16:12:05,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 66. [2019-09-16 16:12:05,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-09-16 16:12:05,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 70 transitions. [2019-09-16 16:12:05,440 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 70 transitions. Word has length 15 [2019-09-16 16:12:05,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:12:05,440 INFO L475 AbstractCegarLoop]: Abstraction has 66 states and 70 transitions. [2019-09-16 16:12:05,440 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-16 16:12:05,440 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 70 transitions. [2019-09-16 16:12:05,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-09-16 16:12:05,441 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:12:05,442 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:12:05,442 INFO L418 AbstractCegarLoop]: === Iteration 6 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:12:05,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:12:05,443 INFO L82 PathProgramCache]: Analyzing trace with hash 783259850, now seen corresponding path program 1 times [2019-09-16 16:12:05,443 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:12:05,443 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:12:05,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:12:05,444 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:12:05,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:12:05,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:12:05,489 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 16:12:05,489 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:12:05,489 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-16 16:12:05,490 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-16 16:12:05,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-16 16:12:05,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-09-16 16:12:05,490 INFO L87 Difference]: Start difference. First operand 66 states and 70 transitions. Second operand 5 states. [2019-09-16 16:12:05,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:12:05,601 INFO L93 Difference]: Finished difference Result 112 states and 119 transitions. [2019-09-16 16:12:05,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-16 16:12:05,602 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-09-16 16:12:05,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:12:05,603 INFO L225 Difference]: With dead ends: 112 [2019-09-16 16:12:05,603 INFO L226 Difference]: Without dead ends: 110 [2019-09-16 16:12:05,604 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-09-16 16:12:05,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-09-16 16:12:05,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 64. [2019-09-16 16:12:05,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-09-16 16:12:05,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2019-09-16 16:12:05,611 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 16 [2019-09-16 16:12:05,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:12:05,611 INFO L475 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2019-09-16 16:12:05,612 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-16 16:12:05,612 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2019-09-16 16:12:05,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-09-16 16:12:05,613 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:12:05,613 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:12:05,615 INFO L418 AbstractCegarLoop]: === Iteration 7 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:12:05,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:12:05,616 INFO L82 PathProgramCache]: Analyzing trace with hash 782829867, now seen corresponding path program 1 times [2019-09-16 16:12:05,616 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:12:05,616 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:12:05,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:12:05,617 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:12:05,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:12:05,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:12:05,654 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 16:12:05,654 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:12:05,654 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-16 16:12:05,655 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-16 16:12:05,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-16 16:12:05,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-16 16:12:05,655 INFO L87 Difference]: Start difference. First operand 64 states and 68 transitions. Second operand 4 states. [2019-09-16 16:12:05,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:12:05,720 INFO L93 Difference]: Finished difference Result 65 states and 69 transitions. [2019-09-16 16:12:05,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-16 16:12:05,721 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2019-09-16 16:12:05,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:12:05,722 INFO L225 Difference]: With dead ends: 65 [2019-09-16 16:12:05,722 INFO L226 Difference]: Without dead ends: 61 [2019-09-16 16:12:05,723 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-16 16:12:05,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2019-09-16 16:12:05,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 60. [2019-09-16 16:12:05,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-09-16 16:12:05,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 64 transitions. [2019-09-16 16:12:05,728 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 64 transitions. Word has length 16 [2019-09-16 16:12:05,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:12:05,729 INFO L475 AbstractCegarLoop]: Abstraction has 60 states and 64 transitions. [2019-09-16 16:12:05,729 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-16 16:12:05,729 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2019-09-16 16:12:05,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-09-16 16:12:05,730 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:12:05,730 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:12:05,730 INFO L418 AbstractCegarLoop]: === Iteration 8 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:12:05,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:12:05,731 INFO L82 PathProgramCache]: Analyzing trace with hash -1163856723, now seen corresponding path program 1 times [2019-09-16 16:12:05,731 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:12:05,731 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:12:05,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:12:05,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:12:05,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:12:05,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:12:05,762 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 16:12:05,763 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:12:05,763 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-16 16:12:05,763 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-16 16:12:05,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-16 16:12:05,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-16 16:12:05,764 INFO L87 Difference]: Start difference. First operand 60 states and 64 transitions. Second operand 4 states. [2019-09-16 16:12:05,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:12:05,820 INFO L93 Difference]: Finished difference Result 61 states and 65 transitions. [2019-09-16 16:12:05,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-16 16:12:05,821 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2019-09-16 16:12:05,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:12:05,822 INFO L225 Difference]: With dead ends: 61 [2019-09-16 16:12:05,822 INFO L226 Difference]: Without dead ends: 57 [2019-09-16 16:12:05,822 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-16 16:12:05,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-09-16 16:12:05,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 56. [2019-09-16 16:12:05,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-09-16 16:12:05,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 60 transitions. [2019-09-16 16:12:05,828 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 60 transitions. Word has length 16 [2019-09-16 16:12:05,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:12:05,828 INFO L475 AbstractCegarLoop]: Abstraction has 56 states and 60 transitions. [2019-09-16 16:12:05,828 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-16 16:12:05,828 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 60 transitions. [2019-09-16 16:12:05,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-09-16 16:12:05,829 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:12:05,829 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:12:05,830 INFO L418 AbstractCegarLoop]: === Iteration 9 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:12:05,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:12:05,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1488745224, now seen corresponding path program 1 times [2019-09-16 16:12:05,830 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:12:05,831 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:12:05,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:12:05,832 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:12:05,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:12:05,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:12:05,877 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 16:12:05,883 INFO L168 Benchmark]: Toolchain (without parser) took 2652.90 ms. Allocated memory was 133.2 MB in the beginning and 224.9 MB in the end (delta: 91.8 MB). Free memory was 89.4 MB in the beginning and 120.7 MB in the end (delta: -31.2 MB). Peak memory consumption was 60.5 MB. Max. memory is 7.1 GB. [2019-09-16 16:12:05,884 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 16:12:05,885 INFO L168 Benchmark]: CACSL2BoogieTranslator took 447.14 ms. Allocated memory was 133.2 MB in the beginning and 199.2 MB in the end (delta: 66.1 MB). Free memory was 89.2 MB in the beginning and 176.4 MB in the end (delta: -87.2 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. [2019-09-16 16:12:05,886 INFO L168 Benchmark]: Boogie Preprocessor took 37.14 ms. Allocated memory is still 199.2 MB. Free memory was 176.4 MB in the beginning and 174.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-16 16:12:05,888 INFO L168 Benchmark]: RCFGBuilder took 469.13 ms. Allocated memory is still 199.2 MB. Free memory was 174.1 MB in the beginning and 150.6 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2019-09-16 16:12:05,893 INFO L168 Benchmark]: TraceAbstraction took 1692.88 ms. Allocated memory was 199.2 MB in the beginning and 224.9 MB in the end (delta: 25.7 MB). Free memory was 149.9 MB in the beginning and 120.7 MB in the end (delta: 29.3 MB). Peak memory consumption was 55.0 MB. Max. memory is 7.1 GB. [2019-09-16 16:12:05,901 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 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 447.14 ms. Allocated memory was 133.2 MB in the beginning and 199.2 MB in the end (delta: 66.1 MB). Free memory was 89.2 MB in the beginning and 176.4 MB in the end (delta: -87.2 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 37.14 ms. Allocated memory is still 199.2 MB. Free memory was 176.4 MB in the beginning and 174.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 469.13 ms. Allocated memory is still 199.2 MB. Free memory was 174.1 MB in the beginning and 150.6 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1692.88 ms. Allocated memory was 199.2 MB in the beginning and 224.9 MB in the end (delta: 25.7 MB). Free memory was 149.9 MB in the beginning and 120.7 MB in the end (delta: 29.3 MB). Peak memory consumption was 55.0 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...